fix(embedded): compare each query's result type against its own stored query, not the flattened set

_result_type_modified previously unioned every stored query's result_type into one set and checked requested result types against that set, so a result type stored on one query (e.g. samples) could be requested for a different query in the same query context. Compare each requested query's effective result type (its own result_type, falling back to the query context's top-level result_type - mirroring how the value is resolved at render time) against the corresponding stored query at the same position instead. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Merge remote-tracking branch 'origin/master' into worktree-agent-aa6eed447e8f5a7bf
2026-08-22 16:11:14 +00:00 · 2026-08-21 13:43:30 -07:00 · 2026-08-21 09:46:51 -07:00 · 2026-08-21 17:05:40 +03:00 · 2026-08-21 04:15:17 -07:00 · 2026-08-21 04:11:37 -07:00
385 changed files with 9014 additions and 3417 deletions
@@ -1,6 +1,6 @@
 name: Bug report
 description: Report a bug to improve Superset's stability
-labels: ["bug"]
+labels: ["#bug"]
 body:
  - type: markdown
    attributes:
@@ -1,7 +1,7 @@
 ---
 name: Cosmetic Issue
 about: Describe a cosmetic issue with CSS, positioning, layout, labeling, or similar
-labels: "cosmetic-issue"
+labels: "#bug:cosmetic"
 ---

 ## Screenshot
@@ -48,7 +48,7 @@ jobs:
          python-version: "3.11"

      - name: Install uv
-        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
        with:
          python-version: "3.11"
          enable-cache: true
@@ -67,7 +67,7 @@ jobs:

      # Initializes the CodeQL tools for scanning.
      - name: Initialize CodeQL
-        uses: github/codeql-action/init@5595ccaf912efad79be6eef63a5619ff05969be3 # v4.37.6
+        uses: github/codeql-action/init@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v4.37.7
        with:
          languages: ${{ matrix.language }}
          # If you wish to specify custom queries, you can do so here or in a config file.
@@ -78,6 +78,6 @@ jobs:
          # queries: security-extended,security-and-quality

      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@5595ccaf912efad79be6eef63a5619ff05969be3 # v4.37.6
+        uses: github/codeql-action/analyze@ff2f1c621b7f889edc0d3c761ac2e6a3f8cdb0dd # v4.37.7
        with:
          category: "/language:${{matrix.language}}"
@@ -78,14 +78,14 @@ jobs:
      USE_DASHBOARD: ${{ github.event.inputs.use_dashboard == 'true' || 'false' }}
    services:
      postgres:
-        image: postgres:17-alpine
+        image: ghcr.io/apache/superset/ci/postgres:17-alpine
        env:
          POSTGRES_USER: superset
          POSTGRES_PASSWORD: superset
        ports:
          - 15432:5432
      redis:
-        image: redis:7-alpine
+        image: ghcr.io/apache/superset/ci/redis:7-alpine
        ports:
          - 16379:6379
    steps:
@@ -186,14 +186,14 @@ jobs:
      GITHUB_TOKEN: ${{ github.token }}
    services:
      postgres:
-        image: postgres:17-alpine
+        image: ghcr.io/apache/superset/ci/postgres:17-alpine
        env:
          POSTGRES_USER: superset
          POSTGRES_PASSWORD: superset
        ports:
          - 15432:5432
      redis:
-        image: redis:7-alpine
+        image: ghcr.io/apache/superset/ci/redis:7-alpine
        ports:
          - 16379:6379
    steps:
@@ -53,9 +53,7 @@ jobs:
        mysql+mysqldb://superset:superset@127.0.0.1:13306/superset?charset=utf8mb4&binary_prefix=true
    services:
      mysql:
-        image: mysql:8.0
-        # Authenticated pulls use our higher Docker Hub rate limit. Empty on
-        # fork PRs (secrets unavailable) -> runner falls back to anonymous.
+        image: ghcr.io/apache/superset/ci/mysql:8.0
        env:
          MYSQL_ROOT_PASSWORD: root
        ports:
@@ -66,7 +64,7 @@ jobs:
          --health-timeout=5s
          --health-retries=5
      redis:
-        image: redis:7-alpine
+        image: ghcr.io/apache/superset/ci/redis:7-alpine
        options: --entrypoint redis-server
        ports:
          - 16379:6379
@@ -143,7 +141,7 @@ jobs:
      SUPERSET__SQLALCHEMY_DATABASE_URI: postgresql+psycopg2://superset:superset@127.0.0.1:15432/superset
    services:
      postgres:
-        image: postgres:17-alpine
+        image: ghcr.io/apache/superset/ci/postgres:17-alpine
        env:
          POSTGRES_USER: superset
          POSTGRES_PASSWORD: superset
@@ -152,7 +150,7 @@ jobs:
          # GitHub action runner's default installations
          - 15432:5432
      redis:
-        image: redis:7-alpine
+        image: ghcr.io/apache/superset/ci/redis:7-alpine
        ports:
          - 16379:6379
    steps:
@@ -202,7 +200,7 @@ jobs:
        sqlite:///${{ github.workspace }}/.temp/examples.db?check_same_thread=true
    services:
      redis:
-        image: redis:7-alpine
+        image: ghcr.io/apache/superset/ci/redis:7-alpine
        ports:
          - 16379:6379
    steps:
@@ -52,7 +52,7 @@ jobs:
      SUPERSET__SQLALCHEMY_EXAMPLES_URI: presto://localhost:15433/memory/default
    services:
      postgres:
-        image: postgres:17-alpine
+        image: ghcr.io/apache/superset/ci/postgres:17-alpine
        env:
          POSTGRES_USER: superset
          POSTGRES_PASSWORD: superset
@@ -61,7 +61,7 @@ jobs:
          # GitHub action runner's default installations
          - 15432:5432
      presto:
-        image: starburstdata/presto:350-e.6
+        image: ghcr.io/apache/superset/ci/presto:350-e.6
        env:
          POSTGRES_USER: superset
          POSTGRES_PASSWORD: superset
@@ -70,7 +70,7 @@ jobs:
          # GitHub action runner's default installations
          - 15433:8080
      redis:
-        image: redis:7-alpine
+        image: ghcr.io/apache/superset/ci/redis:7-alpine
        ports:
          - 16379:6379
    steps:
@@ -116,7 +116,7 @@ jobs:
      UPLOAD_FOLDER: /tmp/.superset/uploads/
    services:
      postgres:
-        image: postgres:17-alpine
+        image: ghcr.io/apache/superset/ci/postgres:17-alpine
        env:
          POSTGRES_USER: superset
          POSTGRES_PASSWORD: superset
@@ -125,7 +125,7 @@ jobs:
          # GitHub action runner's default installations
          - 15432:5432
      redis:
-        image: redis:7-alpine
+        image: ghcr.io/apache/superset/ci/redis:7-alpine
        ports:
          - 16379:6379
    steps:
@@ -26,6 +26,29 @@ assists people when migrating to a new version.

 - `SAMPLES_ROW_LIMIT` is now the default for `/datasource/samples` requests without a valid explicit `per_page`, rather than a hard per-request ceiling; explicit limits are honored up to the existing global row-limit ceiling, matching `/chart/data` SAMPLES requests.

+### MCP tool results preserve stored string values
+
+Structured MCP tool results no longer add `<UNTRUSTED-CONTENT>` wrappers or
+rewrite delimiter-looking text inside string fields. Tool-result content remains
+user-controlled data, but clients must convey that trust boundary outside domain
+values instead of recognizing or removing marker strings.
+
+Clients that handled the former delimiter convention should stop stripping marker
+text: the same text can be legitimate stored content. Response models and content
+types are unchanged, and no metadata-database migration is required. Automated
+read-modify-write workflows should be paused or pinned away from older instances
+until every serving instance is upgraded; a mixed-version response has no reliable
+signal that tells a client whether its text is decorated. Redis-backed MCP response
+caches use a new internal namespace after the upgrade, so upgraded instances do not
+reuse older cached results.
+
+Values that a client already wrote back with presentation wrappers cannot be
+distinguished safely from intentional content. Operators should review possible
+`<UNTRUSTED-CONTENT>` / `</UNTRUSTED-CONTENT>` wrappers and
+`[ESCAPED-UNTRUSTED-CONTENT-OPEN]` /
+`[ESCAPED-UNTRUSTED-CONTENT-CLOSE]` substitutions rather than applying an automatic
+marker-removal migration.
+
 ### OAuth2 database callback metrics include their outcome

 The unqualified `DatabaseRestApi.oauth2` StatsD counter has been replaced with
@@ -102,6 +125,23 @@ dialect; each package's constraint in `pyproject.toml` documents why.
 No application-level configuration changes are required for deployments
 that don't touch SQLAlchemy directly.

+### New metric aggregates: MEDIAN, Sample Standard Deviation, Sample Variance
+
+`MEDIAN`, `STDDEV_SAMP`, and `VAR_SAMP` are now available anywhere a metric
+aggregate is chosen (every chart type, SQL Lab, MCP), not only in Pivot
+Table's controls. Support is opt-in per database engine *spec class*,
+verified against a live instance before being enabled: Postgres, MySQL
+(`STDDEV_SAMP`/`VAR_SAMP` only, no `MEDIAN`), DuckDB, and Redshift (inherits
+Postgres's support, not yet separately verified) ship enabled in this
+release. Engine specs that subclass one of those (e.g. MariaDB, Aurora
+MySQL/Postgres, TimescaleDB) inherit the same support, on the same
+not-yet-independently-verified basis. Picking one of these aggregates on a
+database that has not opted in returns a clear "not supported on this
+database" error rather than a failed query. See
+`docs/sip/median-stddev-variance-aggregates.md` for the full design
+rationale, including why this is safe to add without reintroducing the
+totals/subtotals correctness bug fixed by #41184 (SIP-216).
+
 ### Soft delete is on by default, and purging is live

 `SOFT_DELETE` now ships **on** (`DEFAULT_FEATURE_FLAGS`), so deleting a
@@ -576,7 +576,7 @@ MCP_CACHE_CONFIG = {
 | Key                  | Default   | Description                                                 |
 | -------------------- | --------- | ----------------------------------------------------------- |
 | `enabled`            | `False`   | Enable response caching                                     |
-| `CACHE_KEY_PREFIX`   | `None`    | Optional prefix for cache keys (useful for shared Redis)    |
+| `CACHE_KEY_PREFIX`   | `None`    | Base prefix for shared Redis; Superset appends an internal response-contract namespace |
 | `list_tools_ttl`     | `300`     | Cache TTL in seconds for `tools/list`                       |
 | `list_resources_ttl` | `300`     | Cache TTL for `resources/list`                              |
 | `list_prompts_ttl`   | `300`     | Cache TTL for `prompts/list`                                |
@@ -718,6 +718,34 @@ Every MCP request passes through a middleware stack before reaching the tool fun

 Additional middleware classes (`RateLimitMiddleware`, `FieldPermissionsMiddleware`, `PrivateToolMiddleware`) are implemented in `superset/mcp_service/middleware.py` but are not added to the default pipeline. They are available for operators who want to layer them in via a custom startup path.

+### Tool Result Value Contract
+
+Structured tool results preserve Superset domain values exactly. In particular,
+string fields are not wrapped in trust delimiters, and text that resembles a
+delimiter is returned as literal application data. This lets clients safely use a
+read result as the basis for an update without persisting presentation markup.
+
+All tool-result content should still be treated as user-controlled data with no
+instruction authority. MCP clients should communicate that trust boundary through
+their model instructions or presentation layer, outside the returned field values;
+fixed or generated marker strings inside a value are ambiguous and must not be used
+as a trust signal.
+
+For compatibility, clients that supported the former
+`<UNTRUSTED-CONTENT>` convention should stop recognizing or stripping those strings.
+The response schemas and content types have not changed. Because marker-looking text
+can be legitimate application data, a client cannot reliably distinguish a legacy
+decorated response from a clean one. Pause automated read-modify-write workflows, or
+route them only to upgraded instances, until every serving instance is upgraded.
+
+Redis-backed MCP response caches include an internal response-contract namespace, so
+an upgraded instance does not reuse responses cached by an older release. Older
+instances can still return legacy values while they remain in service. After the
+upgrade, review previously written values for wrapper text and both
+`[ESCAPED-UNTRUSTED-CONTENT-OPEN]` and
+`[ESCAPED-UNTRUSTED-CONTENT-CLOSE]`; do not remove these strings automatically,
+because they may be intentional content.
+
 ### Error Sanitization

 The `GlobalErrorHandlerMiddleware` automatically redacts sensitive information from all error messages before they reach the LLM client. The following are replaced with generic messages:
@@ -752,7 +780,11 @@ For a 3-pod Kubernetes deployment with the defaults above, expect up to 3 × (5
 Enable response caching for read-heavy workloads (dashboards/datasets that don't change frequently). With the in-memory backend (default when `MCP_STORE_CONFIG` is disabled), caching is per-process. Use Redis-backed caching for consistent cache hits across multiple pods:

 ```python
-MCP_CACHE_CONFIG = {"enabled": True, "call_tool_ttl": 3600}
+MCP_CACHE_CONFIG = {
+    "enabled": True,
+    "CACHE_KEY_PREFIX": "mcp_cache_",
+    "call_tool_ttl": 3600,
+}
 MCP_STORE_CONFIG = {"enabled": True, "CACHE_REDIS_URL": "redis://redis:6379/0"}
 ```

@@ -58,14 +58,14 @@
    "@fontsource/inter": "^5.3.0",
    "@mdx-js/react": "^3.1.1",
    "@saucelabs/theme-github-codeblock": "^0.3.0",
-    "@storybook/addon-docs": "^10.5.7",
+    "@storybook/addon-docs": "^10.5.8",
    "@superset-ui/core": "^0.20.4",
    "@swc/core": "^1.15.47",
    "antd": "^6.6.0",
    "baseline-browser-mapping": "^2.11.13",
    "caniuse-lite": "^1.0.30001809",
-    "docusaurus-plugin-openapi-docs": "^5.1.3",
-    "docusaurus-theme-openapi-docs": "^5.1.3",
+    "docusaurus-plugin-openapi-docs": "^5.2.0",
+    "docusaurus-theme-openapi-docs": "^5.2.0",
    "js-yaml": "^5.2.3",
    "json-bigint": "^1.0.0",
    "prism-react-renderer": "^2.4.1",
@@ -77,8 +77,8 @@
    "react-table": "^7.8.0",
    "remark-import-partial": "^0.0.2",
    "reselect": "^5.2.0",
-    "storybook": "^10.5.7",
-    "swagger-ui-react": "^5.32.12",
+    "storybook": "^10.5.8",
+    "swagger-ui-react": "^5.32.13",
    "swc-loader": "^0.2.7",
    "tinycolor2": "^1.4.2",
    "unist-util-visit": "^5.1.0"
@@ -93,7 +93,7 @@
    "@typescript-eslint/parser": "^8.67.0",
    "eslint": "^9.39.2",
    "eslint-plugin-react": "^7.37.5",
-    "globals": "^17.9.0",
+    "globals": "^17.11.0",
    "oxfmt": "^0.63.0",
    "typescript": "~6.0.3",
    "typescript-eslint": "^8.67.0",
@@ -0,0 +1,236 @@
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# SIP: System-wide MEDIAN, Sample Standard Deviation, and Sample Variance metric aggregates
+
+## [DRAFT — proposal for discussion]
+
+This document now has an accompanying implementation in this PR, for the
+proposed mechanism plus a first, empirically-verified engine set (Postgres,
+MySQL, DuckDB, Redshift by inheritance). It is intended to seed discussion on
+whether this is the right shape and scope before it goes up for a formal SIP
+vote, not to pre-empt that discussion, the code exists so reviewers have a
+concrete design to react to rather than a description of one.
+
+## Motivation
+
+Before #41184 (SIP-216, the non-additive-totals fix), the Pivot Table chart
+exposed an "Aggregation function" control with 18 choices, including
+`Median`, `Sample Standard Deviation`, `Sample Variance`, `First`, `Last`,
+`Count Unique Values`, and `List Unique Values`. #41184 deleted that control
+wholesale, and deliberately so: it re-aggregated already-aggregated cell
+values to compute totals/subtotals, which is exactly the class of bug
+SIP-216 fixed (summing per-group averages, averaging per-group medians, etc.
+produces silently wrong totals). #42761 subsequently restored the one piece
+of that control's functionality that was cleanly separable from the
+correctness bug, the "show as % of row/column/total" display option,
+redesigned as a decoupled, post-hoc-only `showValuesAs` control.
+
+A user has since noticed that several of the other pre-#41184 options never
+came back. Checking today's metric aggregate list (`AVG, COUNT,
+COUNT_DISTINCT, MAX, MIN, SUM`, see
+`superset-frontend/packages/superset-ui-core/src/query/types/Metric.ts`),
+most of these have a reasonable equivalent already: `Count Unique Values`
+maps to `COUNT_DISTINCT`; `Count`/`Average`/`Max`/`Min` are already standard
+aggregates; the two "fraction of" variants are already covered by
+`showValuesAs`. But `Median`, `Sample Standard Deviation`, and `Sample
+Variance` have no equivalent today anywhere in Superset, not just in Pivot
+Table, in any chart type, since the aggregate list is shared across the
+whole app.
+
+This is a real, currently-live gap, not a hypothetical one:
+`superset/mcp_service/chart/chart_utils.py`, `schemas.py`, and
+`prompts/create_chart_guided.py` already treat `STDDEV`, `VAR`, `MEDIAN`,
+and `PERCENTILE` as valid aggregate values in their own validation and
+documentation, but those values are never recognized by
+`superset/connectors/sqla/models.py`'s `sqla_aggregations` dict (the actual
+mapping from aggregate name to SQL), so an AI agent using the MCP tool to
+build a chart with `"aggregate": "STDDEV"` today creates a chart that
+**errors at query time** with "Adhoc metric aggregate is invalid." This SIP
+proposes closing that gap for real, at the source, rather than patching
+around it in MCP.
+
+## Proposed change
+
+Add `MEDIAN`, `STDDEV_SAMP`, and `VAR_SAMP` as first-class, system-wide
+metric aggregates, available anywhere a metric aggregate is chosen (every
+chart type, SQL Lab metric picker, MCP), not as a Pivot-Table-specific
+control.
+
+**Why this is safe with respect to SIP-216, and needs no Pivot-Table-specific
+code at all:** Pivot Table's non-additive-totals machinery
+(`superset-frontend/plugins/plugin-chart-pivot-table/src/plugin/utilities.ts`)
+already classifies any metric aggregate not in `ADDITIVE_AGGREGATES = {SUM,
+COUNT, MIN, MAX}` as non-additive, which routes totals/subtotals through the
+correct DB-`GROUPING SETS`-rollup path rather than client-side
+re-aggregation (`AVG` and `COUNT_DISTINCT` already go through this path
+today). `MEDIAN`/`STDDEV_SAMP`/`VAR_SAMP` fall into that bucket
+automatically, with zero changes needed to the additivity logic. So once
+these are valid, buildable SQL aggregates, Pivot Table (and every other
+chart) gets correct behavior for free. This is the version of "restore the
+control" that does not reopen the bug that was just fixed.
+
+**Where the actual change needs to land, and what this PR does:**
+
+1. **Done.** `superset-frontend/packages/superset-ui-core/src/query/types/Metric.ts`,
+   extended the `Aggregate` type.
+2. **Done.** `superset-frontend/src/explore/constants.ts`, added to `AGGREGATES`
+   (drives `AGGREGATES_OPTIONS`, the dropdown in `AdhocMetricEditPopover`).
+3. **Done**, but not consolidated. `superset/connectors/sqla/models.py`
+   (`sqla_aggregations`) and `superset/models/helpers.py`
+   (`ExploreMixin.sqla_aggregations`) are both wired to consult the new
+   `BaseEngineSpec.get_extended_aggregation_func`, in addition to their
+   existing 6-aggregate dict, so neither's original, already-tested behavior
+   changed. They remain two separate dicts, consolidating them into one
+   source of truth is left as a follow-up (see Open questions).
+4. **Done**, and it surfaced a second, smaller bug on top of the one this SIP
+   opened with: MCP's own aggregate names (`STDDEV`, `VAR`) never matched any
+   real Superset aggregate, before or after this PR, they were always going
+   to error regardless of what this SIP does. `superset/mcp_service/chart/*`
+   now accepts the old shorthand as an alias, normalized to the real,
+   unambiguous names (`STDDEV_SAMP`, `VAR_SAMP`) this PR ships, and the guided
+   prompt text points at the correct names going forward. `MEDIAN`/
+   `PERCENTILE` were already spelled correctly in MCP; `PERCENTILE` remains
+   unimplemented (it needs a parameter this schema has no field for) and is
+   unchanged by this PR, out of scope here.
+
+**The part that needs real engineering care, this must not be a blind
+`sa.func.MEDIAN` / `sa.func.STDDEV_SAMP` / `sa.func.VAR_SAMP`:**
+
+`sqla_aggregations` today is a flat, engine-unaware dict (`sa.func.AVG`,
+etc., SQLAlchemy emits whatever function name it is given, with zero
+validation that the target dialect actually has it). Superset already has
+precedent for exactly this class of per-engine capability difference:
+`BaseEngineSpec.supports_grouping_sets` and `_time_grain_expressions`, both
+introduced by #41184 itself. This SIP proposes the same shape, a new
+per-engine-overridable mechanism (for example
+`BaseEngineSpec.get_aggregate_sql(aggregate, column)` with a sensible
+default, overridden per engine spec where the default does not hold),
+rather than a single hardcoded dict.
+
+Verified findings so far (via `sqlglot.transpile`, cross-checked against
+known engine docs; **not** exhaustively tested against live databases, that
+is necessary follow-up work this SIP alone cannot complete):
+
+| Engine | `MEDIAN(x)` | `STDDEV_SAMP(x)` | `VAR_SAMP(x)` |
+|---|---|---|---|
+| Postgres | `PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY x)` | native | native |
+| MySQL | no native equivalent, needs explicit "unsupported" handling, not a blind emit | native | MySQL's `VARIANCE()` is an alias for `VAR_POP` (population), not `VAR_SAMP` (sample); a naive dialect-name substitution would silently compute the wrong statistic and needs an explicit, verified expression instead |
+| SQLite | only if the specific build was compiled with the (non-default) `SQLITE_ENABLE_PERCENTILE` extension (added in SQLite 3.43, 2023), cannot be assumed available | not available in core SQLite | not available in core SQLite |
+| BigQuery / Snowflake / DuckDB / Redshift / Oracle / T-SQL / Databricks / Spark | native `MEDIAN(x)` | native | native on BigQuery/Snowflake/Databricks/Spark, where `VARIANCE` is correctly sample variance; T-SQL has no function named `VARIANCE` at all and needs `VAR(x)` instead |
+| Trino / Presto / Hive | `PERCENTILE_CONT` / `approx_percentile` (dialect- and exactness-dependent) | native | `variance` is correctly sample variance per Trino/Presto docs |
+
+This table is deliberately not exhaustive, Superset has roughly 75
+`db_engine_specs` files. The proposed default (`BaseEngineSpec`) should be
+the safe choice (mark unsupported, surface a clear user-facing error) rather
+than an optimistic one, with individual engine specs opting in once
+verified. Ship for the handful of engines above first, extend
+opportunistically.
+
+**`Count Unique Values`, `First`, `Last`, `List Unique Values`, explicitly
+out of scope for this SIP:**
+
+- `Count Unique Values` needs no work, it is already `COUNT_DISTINCT`.
+- `First`/`Last` have no well-defined, unambiguous meaning as a plain
+  `GROUP BY` aggregate without an explicit ordering; most engines only
+  support this via window functions (`FIRST_VALUE`/`LAST_VALUE` `OVER
+  (ORDER BY ...)`) or do not support it as a simple aggregate at all
+  (Postgres has neither built in). Restoring this properly would mean
+  designing an "order by" sub-control on the metric, a real, separate
+  feature, not a one-line aggregate addition. Proposed as a follow-up SIP if
+  there is demand.
+- `List Unique Values` maps to the `STRING_AGG`/`GROUP_CONCAT`/`LISTAGG`/
+  `ARRAY_AGG(DISTINCT ...)` family, real dialect differences, plus an open
+  UX question (unbounded cell content for high-cardinality columns).
+  Proposed as a follow-up SIP.
+
+## New or changed public interfaces
+
+- New `Aggregate` values (`MEDIAN`, `STDDEV_SAMP`, `VAR_SAMP`) selectable
+  anywhere the standard metric control appears, every chart type, not just
+  Pivot Table.
+- New `BaseEngineSpec` extensibility point for per-engine aggregate SQL
+  generation (exact shape TBD in implementation, likely mirrors
+  `_time_grain_expressions`).
+- No REST API surface changes beyond the existing metric aggregate field
+  accepting new values.
+
+## Migration plan and compatibility
+
+No new tables/columns needed for the aggregate addition itself.
+
+Restoring prior chart settings, the way #42761 restored `show_values_as` for
+charts that had it before #41184, is murkier here than it was for that PR
+and needs its own design pass: the old `aggregate_function` was a single
+Pivot-Table-level setting applied uniformly to every metric on the chart,
+not a per-metric property. A chart that had `aggregate_function: Median`
+before #41184, with a metric of `SUM(sales)`, was already silently wrong
+under the old architecture (that is the bug that was fixed); mechanically
+rewriting its metric to `MEDIAN(sales)` on upgrade would change what the
+chart's leaf cells display, not just its totals, which may not match user
+intent. This SIP proposes a best-effort, flagged-for-review migration
+(surface affected charts to admins rather than silently rewriting them)
+rather than a fully automatic one-to-one restoration.
+
+## Rejected alternatives
+
+- **Restoring the old `aggregateFunction` Pivot-Table control as-is.**
+  Rejected: this is the literal mechanism SIP-216 removed because it
+  reintroduces incorrect totals for non-additive metrics. Any fix has to go
+  through the metric's own aggregate, not a separate pivot-level override.
+- **Routing all metric SQL generation through `sqlglot` expression-building
+  instead of SQLAlchemy's `sa.func`.** More architecturally thorough (would
+  give correct dialect syntax for free across more of the roughly 75 engine
+  specs), but a much larger, more invasive change to a hot path used by
+  every chart query. Noted as a possible future direction, not this SIP's
+  scope; this SIP proposes the smaller, `supports_grouping_sets`-shaped
+  extensibility point instead.
+
+## Open questions
+
+- **Resolved for this PR, worth confirming as the community's preferred
+  shape:** implemented as `BaseEngineSpec._extended_aggregations` (a
+  `{aggregate_name: sqla_column -> sqla_column}` dict) plus a
+  `get_extended_aggregation_func` accessor, set on the concrete or shared
+  base engine spec class per engine (e.g. on `PostgresBaseEngineSpec` so
+  Redshift inherits it, but *not* on `PrestoBaseEngineSpec` so Hive/Spark/
+  Databricks don't silently inherit unverified behavior, mirroring how
+  `supports_grouping_sets` is opted into per-concrete-engine there today).
+  Did not route through the `superset/sql/dialects/` sqlglot-based layer;
+  that layer is for SQL Lab parsing, wiring it into chart-metric query
+  building felt like a separate, larger change from this SIP's scope.
+- **Still open, not addressed in this PR:** how aggressively should
+  `MEDIAN` degrade on engines without a native or exact equivalent?
+  Trino/Presto/Hive were left unimplemented (unsupported) specifically to
+  avoid silently answering this with an approximate function
+  (`approx_percentile`) that changes the semantics of what a user asked
+  for. If someone wants `MEDIAN` on those engines, this needs a real
+  decision: require explicit opt-in, show a UI warning, or keep it
+  disallowed.
+- **Resolved for this PR:** left the two `sqla_aggregations` dicts
+  (`connectors/sqla/models.py` and `models/helpers.py`) unconsolidated,
+  both now separately wired to the same new `get_extended_aggregation_func`
+  hook. Consolidating them into one source of truth is real but unrelated
+  cleanup, not bundled here to keep the diff reviewable.
+- **New, from implementation:** only Postgres, MySQL (partial), DuckDB, and
+  Redshift (by inheritance, unverified) ship enabled. BigQuery, Snowflake,
+  Trino, Presto, Hive, Spark, Databricks, Oracle, and T-SQL all have
+  documented (not live-verified) support per the table above but are not
+  yet wired up, each needs the same live-instance verification treatment
+  before being enabled, this PR intentionally didn't guess.
@@ -4122,23 +4122,23 @@
  resolved "https://registry.yarnpkg.com/@standard-schema/utils/-/utils-0.3.0.tgz#3d5e608f16c2390c10528e98e59aef6bf73cae7b"
  integrity sha512-e7Mew686owMaPJVNNLs55PUvgz371nKgwsc4vxE49zsODpJEnxgxRo2y/OKrqueavXgZNMDVj3DdHFlaSAeU8g==

-"@storybook/addon-docs@^10.5.7":
-  version "10.5.7"
-  resolved "https://registry.yarnpkg.com/@storybook/addon-docs/-/addon-docs-10.5.7.tgz#6d599c94fc871c248ce06a5c081f57655c83f40a"
-  integrity sha512-KNARJfjICaizinsR3INMEiipZm1ObYo+xw+E26gteu50Bcy2dIZUtk5uHY5XdtardU3AXX6yRXoBZ2HCY3lbHA==
+"@storybook/addon-docs@^10.5.8":
+  version "10.5.8"
+  resolved "https://registry.yarnpkg.com/@storybook/addon-docs/-/addon-docs-10.5.8.tgz#767c10c7a4cc1b625b93f869b2a2b09fc8514f2e"
+  integrity sha512-NlHiMKW/UvW/uL8HXFDCEVwoH3qZeGYZ/qlWax4d7H471b/T54MBq2KcB4ZrdA785FfIH3numAJdBb5jwn00Mg==
  dependencies:
    "@mdx-js/react" "^3.0.0"
-    "@storybook/csf-plugin" "10.5.7"
+    "@storybook/csf-plugin" "10.5.8"
    "@storybook/icons" "^2.0.2"
-    "@storybook/react-dom-shim" "10.5.7"
+    "@storybook/react-dom-shim" "10.5.8"
    react "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
    react-dom "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
    ts-dedent "^2.0.0"

-"@storybook/csf-plugin@10.5.7":
-  version "10.5.7"
-  resolved "https://registry.yarnpkg.com/@storybook/csf-plugin/-/csf-plugin-10.5.7.tgz#bc73f164d1b5f8e2931b2774f4b389a06453cf6e"
-  integrity sha512-IaX8FlM0H36HNFhJ2+4L9bCldqfvHGqcLg841SJNyK/DhfMlM7JsvY/GDH2ZFuWrUf8FSOx96GRRnHq6XfRKag==
+"@storybook/csf-plugin@10.5.8":
+  version "10.5.8"
+  resolved "https://registry.yarnpkg.com/@storybook/csf-plugin/-/csf-plugin-10.5.8.tgz#c626c5bfe55d0e279b2457e5cf150a788d1fc637"
+  integrity sha512-/FHiMyOWWEXfwK/lM0WxmkP9GLzbSJJuzGtfeuNWSOVDnvAMbjavitxfHb5wSbWKIQo0XYC1EJ2Y7x91XNYP4w==
  dependencies:
    unplugin "^2.3.5"

@@ -4152,10 +4152,10 @@
  resolved "https://registry.yarnpkg.com/@storybook/icons/-/icons-2.1.0.tgz#edfc2450a39c5e780f28c6cbc49acd7bff59b41a"
  integrity sha512-Fxh9vYpX9bQqFeHRiY8h2ApeRGDzRSMLwJwNZ/AIRqnyOKHxRKL+yFe+ctEkVJmuptRE9u1Hrn8ZZNHyfDKKNg==

-"@storybook/react-dom-shim@10.5.7":
-  version "10.5.7"
-  resolved "https://registry.yarnpkg.com/@storybook/react-dom-shim/-/react-dom-shim-10.5.7.tgz#9a5aa0e0f89c09e71c6cbfc6bb1abeb537e5aabf"
-  integrity sha512-lxOkyh+wu/MiBXvYQHjZfD+DRKOa4bHBzbuGuiHXnHXmdOcTRdcrQTsoeN2FPtfugmmOG66cZUEgDwNX+k5eRA==
+"@storybook/react-dom-shim@10.5.8":
+  version "10.5.8"
+  resolved "https://registry.yarnpkg.com/@storybook/react-dom-shim/-/react-dom-shim-10.5.8.tgz#40cc3e32af424baa2e4109a325dae2ede29999e2"
+  integrity sha512-N8D13/Xny+V3kfe1KBgsAHS0nKWXLLdgOOXS9poKdYzVwVCN+CGEGBxWX0zMMtdCptqa6/57em9coPlZMoO+bg==

 "@superset-ui/core@^0.20.4":
  version "0.20.4"
@@ -8014,10 +8014,10 @@ doctrine@^2.1.0:
  dependencies:
    esutils "^2.0.2"

-docusaurus-plugin-openapi-docs@^5.1.3:
-  version "5.1.3"
-  resolved "https://registry.yarnpkg.com/docusaurus-plugin-openapi-docs/-/docusaurus-plugin-openapi-docs-5.1.3.tgz#b8cd5f8451aaf881deb1a744a8295685f1681865"
-  integrity sha512-HnpblSBdXoR39VNTIW9zWERUsMJxXOpvdQoBKyaTkUBPwCM48Z76+ndo2yO2vADq+EhWjJlfxL1DUzCrgNjThQ==
+docusaurus-plugin-openapi-docs@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/docusaurus-plugin-openapi-docs/-/docusaurus-plugin-openapi-docs-5.2.0.tgz#8318ec90cd21fed023be57696211af7d72fd81db"
+  integrity sha512-MjrfRAMB64uvdxRVz6L9AXWe4QFjCdoBAzYs306yyI3nnXHsFj2lv2FnLA90JV9CAUZaGiYMvvkzBo2Nrkq/9w==
  dependencies:
    "@apidevtools/json-schema-ref-parser" "^15.3.3"
    "@redocly/openapi-core" "^2.25.2"
@@ -8035,10 +8035,10 @@ docusaurus-plugin-openapi-docs@^5.1.3:
    swagger2openapi "^7.0.8"
    xml-formatter "^3.6.6"

-docusaurus-theme-openapi-docs@^5.1.3:
-  version "5.1.3"
-  resolved "https://registry.yarnpkg.com/docusaurus-theme-openapi-docs/-/docusaurus-theme-openapi-docs-5.1.3.tgz#e23644a63785352abbc76e42760c0dfdff3669e1"
-  integrity sha512-npbD1QahtjAEmrOet/86i5fTmcJX4/rPhVT+c0qKjm7StUNbyqjwchSVBQuU1rB69T51JOA9TpT/y6QcB9Xjvw==
+docusaurus-theme-openapi-docs@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/docusaurus-theme-openapi-docs/-/docusaurus-theme-openapi-docs-5.2.0.tgz#6d93a74e2e3cf0ae77d24e1c4144bd2e74a52115"
+  integrity sha512-L0b80LzaMUfr76a9EQXRPCf8nxkEz8Xo6Aknnke1UeE2oXsgoiVki6U+RTE7GmJRjO8zSNKXyckGmGmqqWuHeA==
  dependencies:
    "@hookform/error-message" "^2.0.1"
    "@reduxjs/toolkit" "^2.8.2"
@@ -8123,7 +8123,7 @@ domhandler@^5.0.2, domhandler@^5.0.3:
  dependencies:
    domelementtype "^2.3.0"

-dompurify@^3.3.3, dompurify@^3.4.12:
+dompurify@^3.3.3, dompurify@^3.4.13:
  version "3.4.13"
  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.4.13.tgz#fc28949d59f92d62e28a3a764bcbeee35897a1be"
  integrity sha512-2vmYIoqjze2d+kakP8S/nS5shfsl587kzwEjcGlTdiksUVgFHnFCsLYDVj/JNqJVOQZGSYBTmuycv0PodwmnMQ==
@@ -9174,10 +9174,10 @@ globals@^14.0.0:
  resolved "https://registry.yarnpkg.com/globals/-/globals-14.0.0.tgz#898d7413c29babcf6bafe56fcadded858ada724e"
  integrity sha512-oahGvuMGQlPw/ivIYBjVSrWAfWLBeku5tpPE2fOPLi+WHffIWbuh2tCjhyQhTBPMf5E9jDEH4FOmTYgYwbKwtQ==

-globals@^17.9.0:
-  version "17.9.0"
-  resolved "https://registry.yarnpkg.com/globals/-/globals-17.9.0.tgz#e43f252d6bbe71508da43902a1709c8895a59f70"
-  integrity sha512-m/MvAW61QVU5VDNF1Vj8axt016h8w7L5TU1e9zlab7XIttAT2YAlCwl75K1fOqvMM9apmD7lbCIRhpfkhmxhCg==
+globals@^17.11.0:
+  version "17.11.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-17.11.0.tgz#d643485bb30220d7751e511cf4f68c73d3870d87"
+  integrity sha512-Z2I8hM+PbJDXQDq3Icgpzv+mPdwr68iZUU9d5WW4FuXfDUQfkZaZuvjMv42/5crNyw154+9+VWXbYrUgDXbxNw==

 globalthis@^1.0.4:
  version "1.0.4"
@@ -10284,10 +10284,10 @@ js-levenshtein@^1.1.6:
  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
  integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==

-js-yaml@4.1.0, js-yaml@=4.3.0, js-yaml@^4.1.0, js-yaml@^4.1.1, js-yaml@^4.2.0, js-yaml@^4.3.0:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.3.0.tgz#d1900572a7f7cf0b5f540c83673e60bad3436592"
-  integrity sha512-1td788aAnnZ5qs7V2QIRl1owjtYpbKt749Y3xauqQgwIIGF/xXWz1wMTEBx5O3LK3lXLVuqXPdPxj2BoFHaW9Q==
+js-yaml@4.1.0, js-yaml@=4.3.1, js-yaml@^4.1.0, js-yaml@^4.1.1, js-yaml@^4.2.0, js-yaml@^4.3.0:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.3.1.tgz#01216c001d67f48e2cd560d708c7af21090a3848"
+  integrity sha512-CY6crGq313MX8GkwvB7tzgp99vjQxY1++5y10/BKN/GUfHqWaOGQMNZkBvqSzsZKWk/ijwHlWzzkLulsGHhjWQ==
  dependencies:
    argparse "^2.0.1"

@@ -14783,10 +14783,10 @@ stop-iteration-iterator@^1.1.0:
    es-errors "^1.3.0"
    internal-slot "^1.1.0"

-storybook@^10.5.7:
-  version "10.5.7"
-  resolved "https://registry.yarnpkg.com/storybook/-/storybook-10.5.7.tgz#adfc465e51f337291c095278c23f1b8024ef2da7"
-  integrity sha512-oiKvWIwIoOhFP1i6dASYyMXwPHKEtVZMshqSB7EvIVYjWRh0l9H7gHEt1z4Gh2rLGFMekWdsm4s94rvwpR7gkg==
+storybook@^10.5.8:
+  version "10.5.8"
+  resolved "https://registry.yarnpkg.com/storybook/-/storybook-10.5.8.tgz#d5f051983e6232c0a73ea02149a72c7bafb43275"
+  integrity sha512-rR4oFMSiWBSqI0lvsJPtcQUPj8+hzj3TkLu+Mw61Wo6YxPSb5FsLSHai0jZnuaIdKIlmu25KCfwlSQl4e1uvnA==
  dependencies:
    "@storybook/global" "^5.0.0"
    "@storybook/icons" "^2.0.2"
@@ -15103,10 +15103,10 @@ swagger-client@^3.37.8:
    "@swagger-api/apidom-parser-adapter-openapi-yaml-3-2" "^1.12.0"
    "@swagger-api/apidom-parser-adapter-yaml-1-2" "^1.12.0"

-swagger-ui-react@^5.32.12:
-  version "5.32.12"
-  resolved "https://registry.yarnpkg.com/swagger-ui-react/-/swagger-ui-react-5.32.12.tgz#47525a26774eb02db0e6203af72f5b32fa6205cc"
-  integrity sha512-WCdkNOQyMTZDu+z356FpwVWHf1dwZgQPUjdQPh1L4r7jULaJTKKlIItXq6WsZdYeXvsHndMdxxccEQXOAroUHQ==
+swagger-ui-react@^5.32.13:
+  version "5.32.13"
+  resolved "https://registry.yarnpkg.com/swagger-ui-react/-/swagger-ui-react-5.32.13.tgz#04c96140b0a2d4ea01ebec4d4cfc655d5ed9a500"
+  integrity sha512-XIDl+Ny6kE1N8wpSPiOFrjPfAevs4GR4XmV6BT6NLMikkMFIbIVocWbA8pnKYyYXQe8Rccfli5o2zDfySw0FnQ==
  dependencies:
    "@babel/runtime-corejs3" "^7.27.1"
    "@scarf/scarf" "=1.4.0"
@@ -15115,11 +15115,11 @@ swagger-ui-react@^5.32.12:
    classnames "^2.5.1"
    css.escape "1.5.1"
    deep-extend "0.6.0"
-    dompurify "^3.4.12"
+    dompurify "^3.4.13"
    ieee754 "^1.2.1"
    immutable "^4.3.9"
    js-file-download "^0.4.12"
-    js-yaml "=4.3.0"
+    js-yaml "=4.3.1"
    lodash "^4.18.1"
    prop-types "^15.8.1"
    randexp "^0.5.3"
@@ -93,7 +93,7 @@ def find_models(module: ModuleType) -> list[type[Model]]:  # noqa: C901
    # where the current model is out-of-sync with the existing table after a
    # downgrade
    sqlalchemy_uri = current_app.config["SQLALCHEMY_DATABASE_URI"]
-    engine = create_engine(sqlalchemy_uri, future=True)
+    engine = create_engine(sqlalchemy_uri)
    Base = automap_base()  # noqa: N806
    Base.prepare(engine, reflect=True)
    seen = set()
@@ -99,7 +99,7 @@
        "geostyler-openlayers-parser": "^5.7.1",
        "geostyler-style": "11.0.2",
        "geostyler-wfs-parser": "^3.0.1",
-        "google-auth-library": "^11.0.1",
+        "google-auth-library": "^11.0.2",
        "immer": "^11.1.16",
        "interweave": "^13.1.1",
        "jquery": "^4.0.0",
@@ -180,13 +180,13 @@
        "@istanbuljs/nyc-config-typescript": "^1.0.1",
        "@playwright/test": "^1.62.1",
        "@pmmmwh/react-refresh-webpack-plugin": "^0.6.2",
-        "@storybook/addon-docs": "10.5.7",
-        "@storybook/addon-links": "10.5.7",
-        "@storybook/react-webpack5": "10.5.7",
+        "@storybook/addon-docs": "10.5.8",
+        "@storybook/addon-links": "10.5.8",
+        "@storybook/react-webpack5": "10.5.8",
        "@storybook/test-runner": "0.24.4",
        "@svgr/webpack": "^8.1.0",
        "@swc/core": "^1.15.47",
-        "@swc/plugin-emotion": "^14.15.0",
+        "@swc/plugin-emotion": "^14.19.0",
        "@swc/plugin-transform-imports": "^12.5.0",
        "@testing-library/dom": "^10.4.1",
        "@testing-library/jest-dom": "^7.0.1",
@@ -218,7 +218,7 @@
        "babel-loader": "^10.1.1",
        "babel-plugin-dynamic-import-node": "^2.3.3",
        "babel-plugin-jsx-remove-data-test-id": "^3.0.0",
-        "baseline-browser-mapping": "^2.11.13",
+        "baseline-browser-mapping": "^2.11.14",
        "cheerio": "1.2.0",
        "concurrently": "^10.0.4",
        "copy-webpack-plugin": "^14.0.0",
@@ -235,7 +235,7 @@
        "eslint-plugin-no-only-tests": "^3.4.0",
        "eslint-plugin-react-prefer-function-component": "^5.0.0",
        "eslint-plugin-react-you-might-not-need-an-effect": "^1.0.1",
-        "eslint-plugin-storybook": "10.5.7",
+        "eslint-plugin-storybook": "10.5.8",
        "eslint-plugin-testing-library": "^7.16.2",
        "eslint-plugin-theme-colors": "file:eslint-rules/eslint-plugin-theme-colors",
        "fetch-mock": "^12.6.0",
@@ -266,7 +266,7 @@
        "source-map": "^0.8.0",
        "source-map-support": "^0.5.21",
        "speed-measure-webpack-plugin": "^1.6.0",
-        "storybook": "10.5.7",
+        "storybook": "10.5.8",
        "style-loader": "^4.0.0",
        "stylelint": "^17.14.1",
        "swc-loader": "^0.2.7",
@@ -10765,16 +10765,16 @@
      "license": "MIT"
    },
    "node_modules/@storybook/addon-docs": {
-      "version": "10.5.7",
-      "resolved": "https://registry.npmjs.org/@storybook/addon-docs/-/addon-docs-10.5.7.tgz",
-      "integrity": "sha512-KNARJfjICaizinsR3INMEiipZm1ObYo+xw+E26gteu50Bcy2dIZUtk5uHY5XdtardU3AXX6yRXoBZ2HCY3lbHA==",
+      "version": "10.5.8",
+      "resolved": "https://registry.npmjs.org/@storybook/addon-docs/-/addon-docs-10.5.8.tgz",
+      "integrity": "sha512-NlHiMKW/UvW/uL8HXFDCEVwoH3qZeGYZ/qlWax4d7H471b/T54MBq2KcB4ZrdA785FfIH3numAJdBb5jwn00Mg==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
        "@mdx-js/react": "^3.0.0",
-        "@storybook/csf-plugin": "10.5.7",
+        "@storybook/csf-plugin": "10.5.8",
        "@storybook/icons": "^2.0.2",
-        "@storybook/react-dom-shim": "10.5.7",
+        "@storybook/react-dom-shim": "10.5.8",
        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
        "react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
        "ts-dedent": "^2.0.0"
@@ -10785,7 +10785,7 @@
      },
      "peerDependencies": {
        "@types/react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
-        "storybook": "10.5.7"
+        "storybook": "10.5.8"
      },
      "peerDependenciesMeta": {
        "@types/react": {
@@ -10794,9 +10794,9 @@
      }
    },
    "node_modules/@storybook/addon-docs/node_modules/@storybook/csf-plugin": {
-      "version": "10.5.7",
-      "resolved": "https://registry.npmjs.org/@storybook/csf-plugin/-/csf-plugin-10.5.7.tgz",
-      "integrity": "sha512-IaX8FlM0H36HNFhJ2+4L9bCldqfvHGqcLg841SJNyK/DhfMlM7JsvY/GDH2ZFuWrUf8FSOx96GRRnHq6XfRKag==",
+      "version": "10.5.8",
+      "resolved": "https://registry.npmjs.org/@storybook/csf-plugin/-/csf-plugin-10.5.8.tgz",
+      "integrity": "sha512-/FHiMyOWWEXfwK/lM0WxmkP9GLzbSJJuzGtfeuNWSOVDnvAMbjavitxfHb5wSbWKIQo0XYC1EJ2Y7x91XNYP4w==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
@@ -10809,7 +10809,7 @@
      "peerDependencies": {
        "esbuild": "*",
        "rollup": "*",
-        "storybook": "10.5.7",
+        "storybook": "10.5.8",
        "vite": "*",
        "webpack": "*"
      },
@@ -10829,9 +10829,9 @@
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@@ -10843,7 +10843,7 @@
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@@ -10855,9 +10855,9 @@
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-        "@storybook/preset-react-webpack": "10.5.7",
-        "@storybook/react": "10.5.7"
+        "@storybook/builder-webpack5": "10.5.8",
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@@ -10981,7 +10981,7 @@
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@@ -10991,13 +10991,13 @@
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+        "@storybook/core-webpack": "10.5.8",
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@@ -11019,7 +11019,7 @@
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+        "storybook": "10.5.8"
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@@ -11028,9 +11028,9 @@
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@@ -11041,17 +11041,17 @@
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+        "storybook": "10.5.8"
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+      "resolved": "https://registry.npmjs.org/@storybook/preset-react-webpack/-/preset-react-webpack-10.5.8.tgz",
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-        "@storybook/core-webpack": "10.5.7",
+        "@storybook/core-webpack": "10.5.8",
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@@ -11068,7 +11068,7 @@
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+        "storybook": "10.5.8"
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@@ -11077,9 +11077,9 @@
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+      "resolved": "https://registry.npmjs.org/@storybook/core-webpack/-/core-webpack-10.5.8.tgz",
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@@ -11090,18 +11090,18 @@
        "url": "https://opencollective.com/storybook"
      },
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-        "storybook": "10.5.7"
+        "storybook": "10.5.8"
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-      "resolved": "https://registry.npmjs.org/@storybook/react/-/react-10.5.7.tgz",
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+      "version": "10.5.8",
+      "resolved": "https://registry.npmjs.org/@storybook/react/-/react-10.5.8.tgz",
+      "integrity": "sha512-6qqkmqX6imtL+0Z9Uan2tIfYivOI0FiVmWr0zpqqQR15AkJ18JfNcNTQoyjeAlCO0Kei56SWqnu2qLq52TYplg==",
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-        "@storybook/react-dom-shim": "10.5.7",
+        "@storybook/react-dom-shim": "10.5.8",
        "react-docgen": "^8.0.2",
        "react-docgen-typescript": "^2.2.2"
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@@ -11114,7 +11114,7 @@
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-        "storybook": "10.5.7",
+        "storybook": "10.5.8",
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@@ -11130,9 +11130,9 @@
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+      "version": "10.5.8",
+      "resolved": "https://registry.npmjs.org/@storybook/react-dom-shim/-/react-dom-shim-10.5.8.tgz",
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@@ -11144,7 +11144,7 @@
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        "react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
-        "storybook": "10.5.7"
+        "storybook": "10.5.8"
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        "@types/react": {
@@ -11808,9 +11808,9 @@
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-      "resolved": "https://registry.npmjs.org/@swc/plugin-emotion/-/plugin-emotion-14.15.0.tgz",
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+      "version": "14.19.0",
+      "resolved": "https://registry.npmjs.org/@swc/plugin-emotion/-/plugin-emotion-14.19.0.tgz",
+      "integrity": "sha512-0/q84ro0a7kdjpYpn9Wmi5/RLHYuSwYjO638lE5ZBQfIvYpSLJxbEgLsObCmdH4KPe2stoN8plVKUpCsKPggaw==",
      "dev": true,
      "license": "Apache-2.0",
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@@ -15697,9 +15697,9 @@
      "license": "MIT"
    },
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-      "resolved": "https://registry.npmjs.org/baseline-browser-mapping/-/baseline-browser-mapping-2.11.13.tgz",
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+      "version": "2.11.14",
+      "resolved": "https://registry.npmjs.org/baseline-browser-mapping/-/baseline-browser-mapping-2.11.14.tgz",
+      "integrity": "sha512-JyJ954WzuIR8/FFzX0o5krdSTrBAkcCSRfWSleRsIHSWV+cZe2FI1PKggVkFke1hBldRs+LRxUczzE9iPmgZww==",
      "dev": true,
      "license": "Apache-2.0",
      "bin": {
@@ -20219,9 +20219,9 @@
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    },
    "node_modules/eslint-plugin-storybook": {
-      "version": "10.5.7",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-storybook/-/eslint-plugin-storybook-10.5.7.tgz",
-      "integrity": "sha512-mLpamG1Rsica2jYbUzIZOEuy7Fm1IMtVLMvvxGTpjTVKUMxTXJsANx3MBpH2VSbGQB8Yzlt5399WL/O07K97Ig==",
+      "version": "10.5.8",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-storybook/-/eslint-plugin-storybook-10.5.8.tgz",
+      "integrity": "sha512-bf9W5nZyWdIaCUZf4aEZnEeD1mn+csNYX8dYUQjAo6L7/DkSLtr65R4zFZ1xeS4m6dOXO6UtUySesCSw4e8w1g==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
@@ -20230,7 +20230,7 @@
      },
      "peerDependencies": {
        "eslint": ">=8",
-        "storybook": "10.5.7"
+        "storybook": "10.5.8"
      }
    },
    "node_modules/eslint-plugin-testing-library": {
@@ -22783,9 +22783,9 @@
      "license": "MIT"
    },
    "node_modules/google-auth-library": {
-      "version": "11.0.1",
-      "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-11.0.1.tgz",
-      "integrity": "sha512-ZqfaYduu9ASUaFuUk5dF9g9QvufdhhSj7jFiEnCrTQcH57sFPKYetM0iU4dcKkQk6CqC1xpSrVr5uQ9NhqjNOg==",
+      "version": "11.0.2",
+      "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-11.0.2.tgz",
+      "integrity": "sha512-vzpgPutxrghPsnjrjpzLX2bdv8IOL719Rh0oEjGnQu8YCIbnbMuTTQ5zU9LcKvLdOPgCxBwppbvnhgW90Qna5Q==",
      "license": "Apache-2.0",
      "dependencies": {
        "base64-js": "^1.3.0",
@@ -37711,9 +37711,9 @@
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    },
    "node_modules/storybook": {
-      "version": "10.5.7",
-      "resolved": "https://registry.npmjs.org/storybook/-/storybook-10.5.7.tgz",
-      "integrity": "sha512-oiKvWIwIoOhFP1i6dASYyMXwPHKEtVZMshqSB7EvIVYjWRh0l9H7gHEt1z4Gh2rLGFMekWdsm4s94rvwpR7gkg==",
+      "version": "10.5.8",
+      "resolved": "https://registry.npmjs.org/storybook/-/storybook-10.5.8.tgz",
+      "integrity": "sha512-rR4oFMSiWBSqI0lvsJPtcQUPj8+hzj3TkLu+Mw61Wo6YxPSb5FsLSHai0jZnuaIdKIlmu25KCfwlSQl4e1uvnA==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
@@ -43073,6 +43073,15 @@
        "node": ">=12"
      }
    },
+    "packages/superset-ui-core/node_modules/dompurify": {
+      "version": "3.4.13",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.13.tgz",
+      "integrity": "sha512-2vmYIoqjze2d+kakP8S/nS5shfsl587kzwEjcGlTdiksUVgFHnFCsLYDVj/JNqJVOQZGSYBTmuycv0PodwmnMQ==",
+      "license": "(MPL-2.0 OR Apache-2.0)",
+      "optionalDependencies": {
+        "@types/trusted-types": "^2.0.7"
+      }
+    },
    "packages/superset-ui-core/node_modules/react-ace": {
      "version": "14.0.1",
      "resolved": "https://registry.npmjs.org/react-ace/-/react-ace-14.0.1.tgz",
@@ -43420,22 +43429,13 @@
      "license": "Apache-2.0",
      "dependencies": {
        "d3": "^3.5.17",
-        "prop-types": "^15.8.1",
-        "react": "^19.2.7"
+        "prop-types": "^15.8.1"
      },
      "peerDependencies": {
        "@apache-superset/core": "*",
        "@superset-ui/chart-controls": "*",
-        "@superset-ui/core": "*"
-      }
-    },
-    "plugins/plugin-chart-chord/node_modules/react": {
-      "version": "19.2.8",
-      "resolved": "https://registry.npmjs.org/react/-/react-19.2.8.tgz",
-      "integrity": "sha512-PWaYA1L/q9u2u7xYQi+Y3L3Yfnie7XyLeaJICV1MGD6LprsBxcAqGjYyr0eY3p+QdsA+x/Irkt4Qif8D63+Sbw==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.10.0"
+        "@superset-ui/core": "*",
+        "react": "^18.3.0"
      }
    },
    "plugins/plugin-chart-country-map": {
@@ -176,7 +176,7 @@
    "geostyler-openlayers-parser": "^5.7.1",
    "geostyler-style": "11.0.2",
    "geostyler-wfs-parser": "^3.0.1",
-    "google-auth-library": "^11.0.1",
+    "google-auth-library": "^11.0.2",
    "immer": "^11.1.16",
    "interweave": "^13.1.1",
    "jquery": "^4.0.0",
@@ -257,13 +257,13 @@
    "@istanbuljs/nyc-config-typescript": "^1.0.1",
    "@playwright/test": "^1.62.1",
    "@pmmmwh/react-refresh-webpack-plugin": "^0.6.2",
-    "@storybook/addon-docs": "10.5.7",
-    "@storybook/addon-links": "10.5.7",
-    "@storybook/react-webpack5": "10.5.7",
+    "@storybook/addon-docs": "10.5.8",
+    "@storybook/addon-links": "10.5.8",
+    "@storybook/react-webpack5": "10.5.8",
    "@storybook/test-runner": "0.24.4",
    "@svgr/webpack": "^8.1.0",
    "@swc/core": "^1.15.47",
-    "@swc/plugin-emotion": "^14.15.0",
+    "@swc/plugin-emotion": "^14.19.0",
    "@swc/plugin-transform-imports": "^12.5.0",
    "@testing-library/dom": "^10.4.1",
    "@testing-library/jest-dom": "^7.0.1",
@@ -295,7 +295,7 @@
    "babel-loader": "^10.1.1",
    "babel-plugin-dynamic-import-node": "^2.3.3",
    "babel-plugin-jsx-remove-data-test-id": "^3.0.0",
-    "baseline-browser-mapping": "^2.11.13",
+    "baseline-browser-mapping": "^2.11.14",
    "cheerio": "1.2.0",
    "concurrently": "^10.0.4",
    "copy-webpack-plugin": "^14.0.0",
@@ -312,7 +312,7 @@
    "eslint-plugin-no-only-tests": "^3.4.0",
    "eslint-plugin-react-prefer-function-component": "^5.0.0",
    "eslint-plugin-react-you-might-not-need-an-effect": "^1.0.1",
-    "eslint-plugin-storybook": "10.5.7",
+    "eslint-plugin-storybook": "10.5.8",
    "eslint-plugin-testing-library": "^7.16.2",
    "eslint-plugin-theme-colors": "file:eslint-rules/eslint-plugin-theme-colors",
    "fetch-mock": "^12.6.0",
@@ -343,7 +343,7 @@
    "source-map": "^0.8.0",
    "source-map-support": "^0.5.21",
    "speed-measure-webpack-plugin": "^1.6.0",
-    "storybook": "10.5.7",
+    "storybook": "10.5.8",
    "style-loader": "^4.0.0",
    "stylelint": "^17.14.1",
    "swc-loader": "^0.2.7",
@@ -130,6 +130,7 @@ export enum GenericDataType {
  String = 1,
  Temporal = 2,
  Boolean = 3,
+  MultiValue = 4,
 }

 /**
@@ -28,6 +28,7 @@ import {
  FieldBinaryOutlined,
  FieldStringOutlined,
  NumberOutlined,
+  UnorderedListOutlined,
 } from '@ant-design/icons';
 import { Icons } from '@superset-ui/core/components';

@@ -72,6 +73,10 @@ export function ColumnTypeLabel({ type }: ColumnTypeLabelProps) {
    typeIcon = <FieldBinaryOutlined aria-label={t('boolean type icon')} />;
  } else if (type === GenericDataType.Temporal) {
    typeIcon = <ClockCircleOutlined aria-label={t('temporal type icon')} />;
+  } else if (type === GenericDataType.MultiValue) {
+    typeIcon = (
+      <UnorderedListOutlined aria-label={t('multi-value type icon')} />
+    );
  }

  return <TypeIconWrapper>{typeIcon}</TypeIconWrapper>;
@@ -64,4 +64,21 @@ describe('ColumnOption', () => {
    renderColumnTypeLabel({ type: GenericDataType.Temporal });
    expect(screen.getByLabelText('temporal type icon')).toBeVisible();
  });
+  test('multi-value (array) type shows list icon', () => {
+    renderColumnTypeLabel({ type: GenericDataType.MultiValue });
+    expect(screen.getByLabelText('multi-value type icon')).toBeVisible();
+  });
+});
+
+describe('GenericDataType enum parity', () => {
+  // These numeric values are shared with the backend enum in
+  // superset/utils/core.py (GenericDataType). They must stay in sync because
+  // the backend serializes columns using these integers.
+  test('values match the backend contract', () => {
+    expect(GenericDataType.Numeric).toBe(0);
+    expect(GenericDataType.String).toBe(1);
+    expect(GenericDataType.Temporal).toBe(2);
+    expect(GenericDataType.Boolean).toBe(3);
+    expect(GenericDataType.MultiValue).toBe(4);
+  });
 });
@@ -25,8 +25,11 @@ export type Aggregate =
  | 'COUNT'
  | 'COUNT_DISTINCT'
  | 'MAX'
+  | 'MEDIAN'
  | 'MIN'
-  | 'SUM';
+  | 'STDDEV_SAMP'
+  | 'SUM'
+  | 'VAR_SAMP';

 export interface AdhocMetricBase {
  hasCustomLabel?: boolean;
@@ -47,6 +47,10 @@ export default defineConfig({
  // Retry logic - 2 retries in CI, 0 locally
  retries: process.env.CI ? 2 : 0,

+  // Disable capturing Git commit info as the project's history is increasingly dense
+  // and breach Playwright's default 3-seconds `git` command timeout limit
+  captureGitInfo: { commit: false, diff: false },
+
  // Reporter configuration - multiple reporters for better visibility
  reporter: process.env.CI
    ? [
@@ -22,7 +22,7 @@ import { Modal } from '../core/Modal';

 /**
 * Confirm Dialog component for Ant Design Modal.confirm dialogs.
- * These are the "OK" / "Cancel" confirmation dialogs used throughout Superset.
+ * These are the "Confirm" / "Cancel" confirmation dialogs used throughout Superset.
 * Uses getByRole with name to target specific confirm dialogs when multiple are open.
 */
 export class ConfirmDialog extends Modal {
@@ -43,7 +43,7 @@ export class ConfirmDialog extends Modal {
  }

  /**
-   * Clicks the OK button to confirm.
+   * Clicks the Confirm button to confirm.
   * @param options.timeout - If provided, silently returns if dialog doesn't appear
   *                          within timeout. If not provided, waits indefinitely (strict mode).
   */
@@ -53,7 +53,7 @@ export class ConfirmDialog extends Modal {
        state: 'visible',
        timeout: options?.timeout,
      });
-      await this.clickFooterButton('OK');
+      await this.clickFooterButton('Confirm');
      await this.waitForHidden();
    } catch (error) {
      // Only swallow TimeoutError when timeout was explicitly provided
@@ -1,58 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-/**
- * With SOFT_DELETE enabled the delete-confirmation modal becomes recoverable:
- * it explains the object is moved to the archive (and for how long), and drops
- * the "type DELETE to confirm" friction. Non-destructive — the modal is opened
- * and dismissed without deleting anything.
- */
-import { test, expect } from '@playwright/test';
-import { skipUnlessFeatureEnabled } from '../../helpers/featureFlags';
-
-test.beforeEach(async ({ page }) => {
-  await skipUnlessFeatureEnabled(page, 'SOFT_DELETE');
-});
-
-test('chart delete confirmation reflects soft-delete (archive) semantics', async ({
-  page,
-}) => {
-  await page.goto('chart/list/');
-  await page.locator('[data-test="chart-row-delete"]').first().waitFor();
-  await page.locator('[data-test="chart-row-delete"]').first().click();
-
-  // The action reads as "Archive", not "Delete". Scope to the dialog: with
-  // the flag on, every list row's delete action is also named "Archive", so
-  // an unscoped button query is a strict-mode violation (25 rows + modal).
-  const dialog = page.getByRole('dialog');
-  await expect(dialog.getByText(/^Archive .+\?$/)).toBeVisible();
-  await expect(dialog.getByRole('button', { name: 'Archive' })).toBeVisible();
-
-  // Recoverable copy instead of "Are you sure … permanently".
-  await expect(page.getByText(/moved to Recently Archived/i)).toBeVisible();
-  await expect(
-    page.getByText(/recover it there within \d+ days/i),
-  ).toBeVisible();
-
-  // No "type DELETE to confirm" input in recoverable mode.
-  await expect(page.getByTestId('delete-modal-input')).toHaveCount(0);
-
-  // Dismiss without deleting.
-  await page.getByTestId('close-modal-btn').click();
-});
@@ -29,7 +29,7 @@
 * restore it and asserts — via the API — that it is live again.
 */
 import { test, expect, Page } from '@playwright/test';
-import { apiGet, apiPost } from '../../helpers/api/requests';
+import { apiGet } from '../../helpers/api/requests';
 import { extractIdFromResponse } from '../../helpers/api/assertions';
 import {
  apiPostChart,
@@ -188,58 +188,3 @@ test('permanently deletes an archived item from the view', async ({ page }) => {
    await TYPES[0].softDelete(page, id).catch(() => {});
  }
 });
-
-test('shows an empty message and no rows when the search matches nothing', async ({
-  page,
-}) => {
-  await page.goto('archived/');
-  await expect(page.getByTestId('archived-list-view')).toBeVisible();
-
-  const search = page.getByPlaceholder(/type a value/i);
-  await search.click();
-  await search.fill(`e2e_nonexistent_${Date.now()}`);
-  await search.press('Enter');
-
-  await expect(
-    page.getByText('No results match your filter criteria'),
-  ).toBeVisible();
-  await expect(page.getByTestId('archived-row-restore')).toHaveCount(0);
-});
-
-test('restoring an already-restored row surfaces an error without crashing', async ({
-  page,
-}) => {
-  const name = `e2e_stale_${Date.now()}`;
-  const id = await TYPES[0].create(page, name);
-  // Capture the uuid before soft-delete (a soft-deleted GET returns 404).
-  const { uuid } = (await (await apiGetDashboard(page, id)).json()).result;
-  try {
-    expect((await apiDeleteDashboard(page, id)).ok()).toBeTruthy();
-
-    await openArchive(page, 'Dashboard', name);
-    await expect(page.getByText(name, { exact: false })).toBeVisible();
-
-    // Simulate another actor restoring the object out from under this view.
-    const restored = await apiPost(
-      page,
-      `api/v1/dashboard/${uuid}/restore`,
-      {},
-    );
-    expect(restored.ok()).toBeTruthy();
-
-    // Clicking the now-stale row's Restore yields a 404 → danger toast, no crash.
-    await page
-      .getByRole('row')
-      .filter({ hasText: name })
-      .getByTestId('archived-row-restore')
-      .click();
-    await expect(
-      page.getByText(`Failed to restore ${name}`, { exact: false }),
-    ).toBeVisible({ timeout: 15000 });
-    // The page is still functional (the list view did not crash).
-    await expect(page.getByTestId('archived-list-view')).toBeVisible();
-  } finally {
-    // Re-archive the (possibly) restored dashboard, whatever happened above.
-    await apiDeleteDashboard(page, id).catch(() => {});
-  }
-});
@@ -30,12 +30,12 @@
  },
  "dependencies": {
    "d3": "^3.5.17",
-    "prop-types": "^15.8.1",
-    "react": "^19.2.7"
+    "prop-types": "^15.8.1"
  },
  "peerDependencies": {
    "@apache-superset/core": "*",
    "@superset-ui/chart-controls": "*",
-    "@superset-ui/core": "*"
+    "@superset-ui/core": "*",
+    "react": "^18.3.0"
  }
 }
@@ -17,6 +17,10 @@
 * under the License.
 */

+import { getNumberFormatter } from '@superset-ui/core';
+import { render, fireEvent } from '../../../../spec/helpers/testing-library';
+import BigNumberVis from './BigNumberViz';
+
 /**
 * Tests for the color threshold formatter logic in BigNumberViz.
 *
@@ -83,3 +87,33 @@ describe('BigNumberViz color formatters', () => {
    expect(getColorFromValue).not.toHaveBeenCalled();
  });
 });
+
+describe('BigNumberViz context menu', () => {
+  test('invokes onContextMenu and stops the event bubbling to ancestor handlers', () => {
+    const onContextMenu = jest.fn();
+    const ancestorHandler = jest.fn();
+
+    const { container } = render(
+      <div onContextMenu={ancestorHandler}>
+        <BigNumberVis
+          width={200}
+          height={100}
+          bigNumber={42}
+          headerFormatter={getNumberFormatter()}
+          headerFontSize={0.3}
+          subheaderFontSize={0.125}
+          subtitleFontSize={0.125}
+          subtitle=""
+          refs={{}}
+          onContextMenu={onContextMenu}
+        />
+      </div>,
+    );
+
+    const headerLine = container.querySelector('.header-line');
+    fireEvent.contextMenu(headerLine!, { clientX: 10, clientY: 20 });
+
+    expect(onContextMenu).toHaveBeenCalledWith(10, 20);
+    expect(ancestorHandler).not.toHaveBeenCalled();
+  });
+});
@@ -224,6 +224,7 @@ function BigNumberVis({
    const handleContextMenu = (e: MouseEvent<HTMLDivElement>) => {
      if (onContextMenu) {
        e.preventDefault();
+        e.stopPropagation();
        onContextMenu(e.nativeEvent.clientX, e.nativeEvent.clientY);
      }
    };
@@ -390,6 +390,7 @@ export default function transformProps(chartProps: EchartsGanttChartProps) {
    [GenericDataType.String]: undefined,
    [GenericDataType.Temporal]: tooltipTimeFormatter,
    [GenericDataType.Boolean]: undefined,
+    [GenericDataType.MultiValue]: undefined,
  };

  const echartOptions: EChartsCoreOption = {
@@ -80,6 +80,7 @@ import {
  getAnnotationData,
 } from '../utils/annotation';
 import {
+  collapseForecastKeys,
  extractForecastSeriesContext,
  extractForecastValuesFromTooltipParams,
  formatForecastTooltipSeries,
@@ -861,12 +862,14 @@ export default function transformProps(
          : params.value[0];
        const forecastValue: any[] = richTooltip ? params : [params];

-        const sortedKeys = extractTooltipKeys(
-          forecastValue,
-          // horizontal mode is not supported in mixed series chart
-          1,
-          richTooltip,
-          tooltipSortByMetric,
+        const sortedKeys = collapseForecastKeys(
+          extractTooltipKeys(
+            forecastValue,
+            // horizontal mode is not supported in mixed series chart
+            1,
+            richTooltip,
+            tooltipSortByMetric,
+          ),
        );

        const rows: string[][] = [];
@@ -95,6 +95,7 @@ import {
  getAnnotationData,
 } from '../utils/annotation';
 import {
+  collapseForecastKeys,
  extractForecastSeriesContext,
  extractForecastSeriesContexts,
  extractForecastValuesFromTooltipParams,
@@ -1392,11 +1393,13 @@ export default function transformProps(
        const forecastValue: CallbackDataParams[] = richTooltip
          ? params
          : [params];
-        const sortedKeys = extractTooltipKeys(
-          forecastValue,
-          yIndex,
-          richTooltip,
-          tooltipSortByMetric,
+        const sortedKeys = collapseForecastKeys(
+          extractTooltipKeys(
+            forecastValue,
+            yIndex,
+            richTooltip,
+            tooltipSortByMetric,
+          ),
        );
        const filteredForecastValue = forecastValue.filter(
          (item: CallbackDataParams) =>
@@ -467,6 +467,14 @@ export function transformSeries(
          return formatter(numericValue);
        }
        if (!onlyTotal) {
+          // A stacked segment with no height begins and ends at the same
+          // coordinate as the top of the segment beneath it, so its label is
+          // drawn over that segment's label. Zero and null have no height, so
+          // they carry no label. The rich tooltip omits zero observations from
+          // a stacked series for the same reason.
+          if (stack && !numericValue) {
+            return '';
+          }
          if (
            numericValue >=
            (thresholdValues[dataIndex] || Number.MIN_SAFE_INTEGER)
@@ -60,6 +60,21 @@ export const extractForecastSeriesContexts = (
    {} as { [key: string]: ForecastSeriesEnum[] },
  );

+/**
+ * Collapses raw ECharts series ids onto the names used to key tooltip rows.
+ *
+ * Tooltip values are grouped by forecast-stripped name, so any ordering derived
+ * from the raw series ids has to be expressed in the same terms before it can be
+ * matched against them. This matters beyond real Prophet output: a metric simply
+ * labelled `ci__yhat_lower` collapses to `ci` exactly like a forecast bound
+ * does, and a chart whose every series carries such a suffix has no id that
+ * survives the comparison untouched.
+ */
+export const collapseForecastKeys = (seriesIds: string[]): string[] =>
+  Array.from(
+    new Set(seriesIds.map(id => extractForecastSeriesContext(id).name)),
+  );
+
 export const extractForecastValuesFromTooltipParams = (
  params: any[],
  isHorizontal = false,
@@ -2529,3 +2529,64 @@ describe('EchartsTimeseries tooltip truncation', () => {
    expect(buildTooltip(undefined, longCategory)).toContain(longCategory);
  });
 });
+
+describe('tooltip for metrics whose labels end in forecast suffixes', () => {
+  const marker = '<span style="background-color:#1f77b4;"></span>';
+  const seriesIds = ['ci__yhat', 'ci__yhat_lower', 'ci__yhat_upper'];
+  const values = [1.5, 0.5, 2.0];
+
+  // Metrics can be labelled `ci__yhat*` with no forecast enabled and no plain
+  // observation series. Every series then collapses onto the same
+  // forecast-stripped tooltip key, so no raw series id matches itself.
+  const buildTooltip = (tooltipSortByMetric = false) => {
+    const chartProps = createTestChartProps({
+      formData: {
+        x_axis: 'dt',
+        metrics: seriesIds,
+        groupby: [],
+        richTooltip: true,
+        tooltipSortByMetric,
+      } as Partial<EchartsTimeseriesFormData>,
+      queriesData: [
+        createTestQueryData([
+          {
+            dt: 599616000000,
+            ci__yhat: 1.5,
+            ci__yhat_lower: 0.5,
+            ci__yhat_upper: 2.5,
+          },
+        ]),
+      ],
+    });
+    const tooltipFormatter = (transformProps(chartProps).echartOptions as any)
+      .tooltip.formatter;
+    return tooltipFormatter(
+      seriesIds.map((id, i) => ({
+        seriesId: id,
+        seriesName: id,
+        value: [599616000000, values[i]],
+        data: [599616000000, values[i]],
+        marker,
+      })),
+    );
+  };
+
+  test('renders the collapsed series rather than falling back to "No data"', () => {
+    const html = buildTooltip();
+    expect(html).not.toContain('No data');
+    expect(html).toContain('>ci<');
+    expect(html).toContain('ŷ = 1.5 (0.5, 2.5)');
+  });
+
+  test('renders a single row rather than one per forecast suffix', () => {
+    const html = buildTooltip();
+    expect(html.match(/<tr/g)).toHaveLength(1);
+    expect(html).toContain('>ci<');
+  });
+
+  test('still renders the row when the tooltip is sorted by metric', () => {
+    const html = buildTooltip(true);
+    expect(html).not.toContain('No data');
+    expect(html).toContain('>ci<');
+  });
+});
@@ -20,13 +20,14 @@ import {
  CategoricalColorScale,
  ChartProps,
  TimeGranularity,
+  getNumberFormatter,
 } from '@superset-ui/core';
 import { GenericDataType } from '@apache-superset/core/common';
 import { supersetTheme } from '@apache-superset/core/theme';
 import type { SeriesOption } from 'echarts';
 import type { ScatterSeriesOption } from 'echarts/charts';
 import { EchartsTimeseriesSeriesType } from '../../src';
-import { TIMESERIES_CONSTANTS } from '../../src/constants';
+import { StackControlsValue, TIMESERIES_CONSTANTS } from '../../src/constants';
 import {
  LegendOrientation,
  EchartsTimeseriesChartProps,
@@ -566,3 +567,70 @@ test('getPadding should handle Left position with zero margin correctly', () =>
    getChartPaddingSpy.mockRestore();
  }
 });
+
+/**
+ * #42702: a stacked segment with no height starts and ends at the same
+ * coordinate as the top of the segment beneath it, so a value label on it is
+ * drawn over that segment's label. `percentage_threshold` does not filter these
+ * out: it defaults to 0, and `thresholdValues[dataIndex] || MIN_SAFE_INTEGER`
+ * turns a 0 threshold into "no filtering", which is intentional.
+ */
+const stackedLabel = (
+  numericValue: number | null,
+  opts: Record<string, unknown> = {},
+) => {
+  const series = transformSeries(
+    { id: 'B', name: 'B', data: [[1, numericValue]] } as SeriesOption,
+    mockColorScale,
+    'B',
+    {
+      seriesType: EchartsTimeseriesSeriesType.Bar,
+      stack: StackControlsValue.Stack,
+      showValue: true,
+      onlyTotal: false,
+      formatter: getNumberFormatter(),
+      thresholdValues: [0],
+      ...opts,
+    },
+  ) as SeriesOption & {
+    label: { formatter: (params: unknown) => string };
+  };
+  return series.label.formatter({
+    value: [1, numericValue],
+    dataIndex: 0,
+    seriesIndex: 1,
+    seriesName: 'B',
+  });
+};
+
+test('stacked value labels are omitted for a zero-height segment', () => {
+  expect(stackedLabel(0)).toBe('');
+  expect(stackedLabel(null)).toBe('');
+});
+
+test('stacked value labels are kept for segments that have height', () => {
+  expect(stackedLabel(32)).toBe('32');
+  expect(stackedLabel(-5)).toBe('-5');
+});
+
+test('a zero value keeps its label when the series is not stacked', () => {
+  // Without a stack the label sits on the bar itself, so there is nothing for
+  // it to collide with.
+  expect(stackedLabel(0, { stack: undefined })).toBe('0');
+});
+
+test('percentage_threshold still filters values below the threshold', () => {
+  // 10% of a 100 total. The zero-height guard must not swallow this rule.
+  expect(stackedLabel(5, { thresholdValues: [10] })).toBe('');
+  expect(stackedLabel(50, { thresholdValues: [10] })).toBe('50');
+});
+
+test('only-total labels are unaffected by the zero-height guard', () => {
+  expect(
+    stackedLabel(0, {
+      onlyTotal: true,
+      showValueIndexes: [1],
+      totalStackedValues: [32],
+    }),
+  ).toBe('32');
+});
@@ -23,6 +23,7 @@ import {
 } from '@superset-ui/core';
 import { SeriesOption } from 'echarts';
 import {
+  collapseForecastKeys,
  extractForecastSeriesContext,
  extractForecastValuesFromTooltipParams,
  formatForecastTooltipSeries,
@@ -464,3 +465,35 @@ describe('formatForecastTooltipSeries truncation', () => {
    expect(cell).toBe(`${marker}cpu`);
  });
 });
+
+describe('collapseForecastKeys', () => {
+  test('leaves plain observation series untouched and in order', () => {
+    expect(collapseForecastKeys(['foo', 'bar'])).toEqual(['foo', 'bar']);
+  });
+
+  test('folds a forecast bundle down to a single key', () => {
+    expect(
+      collapseForecastKeys([
+        'foo',
+        'foo__yhat',
+        'foo__yhat_lower',
+        'foo__yhat_upper',
+      ]),
+    ).toEqual(['foo']);
+  });
+
+  test('keeps a key for metrics whose labels are entirely forecast suffixes', () => {
+    // Charts can carry metrics literally labelled `ci__yhat*` with no plain
+    // observation series. Callers match these against forecast-stripped keys,
+    // so an uncollapsed id here would match nothing and drop every row.
+    expect(
+      collapseForecastKeys(['ci__yhat', 'ci__yhat_lower', 'ci__yhat_upper']),
+    ).toEqual(['ci']);
+  });
+
+  test('preserves the incoming order of distinct series', () => {
+    expect(
+      collapseForecastKeys(['b__yhat_lower', 'a__yhat', 'b__yhat']),
+    ).toEqual(['b', 'a']);
+  });
+});
@@ -290,6 +290,25 @@ test('isAdditiveMetric: non-additive aggregates, SQL, and saved metrics are not
  expect(isAdditiveMetric('count')).toBe(false);
 });

+test('isAdditiveMetric: MEDIAN/STDDEV_SAMP/VAR_SAMP are non-additive, with no dedicated code needed', () => {
+  // Regression guard: MEDIAN/STDDEV_SAMP/VAR_SAMP are new system-wide metric
+  // aggregates (not pivot-table-specific). They must fall outside
+  // ADDITIVE_AGGREGATES so totals/subtotals route through the correct
+  // DB-rollup path automatically, same as AVG/COUNT_DISTINCT already do --
+  // averaging per-group medians (or variances) is exactly the class of bug
+  // SIP-216 fixed for AVG, and would be equally wrong here.
+  (['MEDIAN', 'STDDEV_SAMP', 'VAR_SAMP'] as const).forEach(aggregate => {
+    expect(
+      isAdditiveMetric({
+        expressionType: 'SIMPLE',
+        aggregate,
+        column: { column_name: 'num' },
+        label: `${aggregate.toLowerCase()}_num`,
+      } as QueryFormMetric),
+    ).toBe(false);
+  });
+});
+
 test('allMetricsAdditive: all additive vs any non-additive vs empty', () => {
  const sum = {
    expressionType: 'SIMPLE',
@@ -390,7 +390,7 @@ const ResultSet = ({
              // provides.
              redirect(getExportCsvUrl(query.id));
            },
-            confirmText: t('OK'),
+            confirmText: t('Confirm'),
            cancelText: t('Close'),
          });
        }
@@ -16,7 +16,7 @@
 * specific language governing permissions and limitations
 * under the License.
 */
-import { render, screen } from 'spec/helpers/testing-library';
+import { render, screen, userEvent } from 'spec/helpers/testing-library';
 import SaveDatasetActionButton from 'src/SqlLab/components/SaveDatasetActionButton';

 // eslint-disable-next-line no-restricted-globals -- TODO: Migrate from describe blocks
@@ -27,6 +27,7 @@ describe('SaveDatasetActionButton', () => {
      <SaveDatasetActionButton
        setShowSave={() => true}
        onSaveAsExplore={onSaveAsExplore}
+        canSaveDataset
      />,
    );

@@ -41,4 +42,27 @@ describe('SaveDatasetActionButton', () => {
    expect(saveBtn).toBeVisible();
    expect(saveDatasetBtn).toBeVisible();
  });
+
+  test('disables the save dataset button when the query did not run successfully', async () => {
+    render(
+      <SaveDatasetActionButton
+        setShowSave={() => true}
+        onSaveAsExplore={jest.fn()}
+        canSaveDataset={false}
+      />,
+    );
+
+    const saveDatasetBtn = screen.getByRole('button', {
+      name: /save dataset/i,
+    });
+    expect(saveDatasetBtn).toBeDisabled();
+
+    // the disabled button is wrapped in a span so the tooltip still triggers
+    userEvent.hover(saveDatasetBtn.parentElement as HTMLElement);
+    expect(
+      await screen.findByRole('tooltip', {
+        name: 'You must run the query successfully first',
+      }),
+    ).toBeInTheDocument();
+  });
 });
@@ -23,11 +23,13 @@ import { Button } from '@superset-ui/core/components';
 interface SaveDatasetActionButtonProps {
  setShowSave: (arg0: boolean) => void;
  onSaveAsExplore?: () => void;
+  canSaveDataset: boolean;
 }

 const SaveDatasetActionButton = ({
  setShowSave,
  onSaveAsExplore,
+  canSaveDataset,
 }: SaveDatasetActionButtonProps) => (
  <>
    <Button
@@ -43,8 +45,13 @@ const SaveDatasetActionButton = ({
        color="default"
        variant="text"
        onClick={() => onSaveAsExplore?.()}
+        disabled={!canSaveDataset}
        icon={<Icons.TableOutlined />}
-        tooltip={t('Save or Overwrite Dataset')}
+        tooltip={
+          canSaveDataset
+            ? t('Save or Overwrite Dataset')
+            : t('You must run the query successfully first')
+        }
        aria-label={t('Save dataset')}
      />
    )}
@@ -35,6 +35,7 @@ const mockedProps = {
  onSave: () => {},
  saveQueryWarning: null,
  columns: [],
+  canSaveDataset: true,
 };

 const mockState = {
@@ -52,6 +52,7 @@ interface SaveQueryProps {
  onUpdate: (arg0: QueryPayload, id: string) => void;
  saveQueryWarning: string | null;
  database: Partial<DatabaseObject> | undefined;
+  canSaveDataset: boolean;
 }

 export type QueryPayload = {
@@ -81,6 +82,7 @@ const SaveQuery = ({
  saveQueryWarning,
  database,
  columns,
+  canSaveDataset,
 }: SaveQueryProps) => {
  const queryEditor = useQueryEditor(queryEditorId, [
    'autorun',
@@ -207,6 +209,7 @@ const SaveQuery = ({
        <SaveDatasetActionButton
          setShowSave={setShowSave}
          onSaveAsExplore={canExploreDatabase ? onSaveAsExplore : undefined}
+          canSaveDataset={canSaveDataset}
        />
      )}
      <SaveDatasetModal
@@ -21,6 +21,7 @@ import {
  isFeatureEnabled,
  getExtensionsRegistry,
  FeatureFlag,
+  QueryState,
 } from '@superset-ui/core';
 import {
  act,
@@ -334,6 +335,47 @@ describe('SqlEditor', () => {
    expect(await findByText('10 000')).toBeInTheDocument();
  });

+  const setupWithLatestQuery = (overrides: Partial<typeof latestQuery>) =>
+    setup(
+      mockedProps,
+      createStore({
+        ...mockInitialState,
+        sqlLab: {
+          ...mockInitialState.sqlLab,
+          queries: {
+            [latestQuery.id]: { ...latestQuery, ...overrides },
+          },
+          databases: {
+            1991: {
+              ...mockInitialState.sqlLab.databases[1991],
+              allows_virtual_table_explore: true,
+            },
+          },
+        },
+      }),
+    );
+
+  test('enables the save dataset button when the latest query succeeded', async () => {
+    const { findByRole } = setupWithLatestQuery({ state: QueryState.Success });
+    expect(await findByRole('button', { name: 'Save dataset' })).toBeEnabled();
+  });
+
+  test('disables the save dataset button when the latest query failed', async () => {
+    const { findByRole } = setupWithLatestQuery({
+      state: QueryState.Failed,
+      results: undefined,
+    });
+    expect(await findByRole('button', { name: 'Save dataset' })).toBeDisabled();
+  });
+
+  test('disables the save dataset button when the results are not loaded', async () => {
+    const { findByRole } = setupWithLatestQuery({
+      state: QueryState.Success,
+      results: undefined,
+    });
+    expect(await findByRole('button', { name: 'Save dataset' })).toBeDisabled();
+  });
+
  test('renders an Extension if provided', async () => {
    const extensionsRegistry = getExtensionsRegistry();

@@ -40,6 +40,7 @@ import {
  getExtensionsRegistry,
  QueryResponse,
  Query,
+  QueryState,
 } from '@superset-ui/core';
 import { Alert } from '@apache-superset/core/components';
 import { css, styled, useTheme } from '@apache-superset/core/theme';
@@ -295,6 +296,9 @@ const SqlEditor: FC<Props> = ({

  const SqlFormExtension = extensionsRegistry.get('sqleditor.extension.form');

+  const successful = latestQuery?.state === QueryState.Success;
+  const resultColumns = latestQuery?.results?.columns || [];
+
  const startQuery = useCallback(
    (
      ctasArg = false,
@@ -712,7 +716,6 @@ const SqlEditor: FC<Props> = ({

  const getSecondaryMenuItems = () => {
    const qe = queryEditor;
-    const successful = latestQuery?.state === 'success';
    const scheduleToolTip = successful
      ? t('Schedule the query periodically')
      : t('You must run the query successfully first');
@@ -858,13 +861,14 @@ const SqlEditor: FC<Props> = ({
          )}
        <SaveQuery
          queryEditorId={queryEditor.id}
-          columns={latestQuery?.results?.columns || []}
+          columns={resultColumns}
          onSave={onSaveQuery}
          onUpdate={(query, remoteId) =>
            dispatch(updateSavedQuery(query, remoteId))
          }
          saveQueryWarning={saveQueryWarning}
          database={database}
+          canSaveDataset={successful && resultColumns.length > 0}
        />
        <ShareSqlLabQuery queryEditorId={queryEditor.id} />
      </>
@@ -223,6 +223,11 @@ export default function chartReducer(
  }

  if (action.type in actionHandlers) {
+    // ADD_CHART creates the entry, so it runs without prior state; every other
+    // handler reads state that is absent once the chart has been removed
+    if (action.type !== actions.ADD_CHART && !charts[action.key]) {
+      return charts;
+    }
    return {
      ...charts,
      [action.key]: actionHandlers[action.type](charts[action.key]),
@@ -91,4 +91,20 @@ describe('chart reducers', () => {
    expect(newState[chartKey].chartUpdateEndTime).toBeGreaterThan(0);
    expect(newState[chartKey].chartStatus).toEqual('failed');
  });
+
+  test('ignores an action for a chart that is no longer in state', () => {
+    const action = actions.chartUpdateStopped(999, new AbortController());
+    expect(() => chartReducer(charts, action)).not.toThrow();
+    expect(chartReducer(charts, action)).toEqual(charts);
+  });
+
+  test('still adds a chart that is not yet in state', () => {
+    const newChartKey = 2;
+    const newState = chartReducer(
+      charts,
+      actions.addChart({ ...chart, id: newChartKey }, newChartKey),
+    );
+    expect(newState[newChartKey].id).toEqual(newChartKey);
+    expect(newState[chartKey]).toEqual(testChart);
+  });
 });
@@ -120,7 +120,7 @@ describe('DatasourceModal', () => {
    });
    const saveButton = screen.getByTestId('datasource-modal-save');
    fireEvent.click(saveButton);
-    const okButton = await screen.findByRole('button', { name: 'OK' });
+    const okButton = await screen.findByRole('button', { name: 'Confirm' });
    fireEvent.click(okButton);
    await waitFor(() => {
      expect(onDatasourceSave).toHaveBeenCalled();
@@ -142,7 +142,7 @@ describe('DatasourceModal', () => {

    const saveButton = screen.getByTestId('datasource-modal-save');
    fireEvent.click(saveButton);
-    const okButton = await screen.findByRole('button', { name: 'OK' });
+    const okButton = await screen.findByRole('button', { name: 'Confirm' });
    fireEvent.click(okButton);

    const errorElements = await screen.findAllByText('Error saving dataset');
@@ -230,7 +230,7 @@ describe('DatasourceModal', () => {
    expect(checkbox).toBeChecked();

    // Click OK to submit
-    const okButton = screen.getByRole('button', { name: 'OK' });
+    const okButton = screen.getByRole('button', { name: 'Confirm' });
    fireEvent.click(okButton);

    // Verify the PUT request was made with override_columns=true
@@ -297,7 +297,7 @@ describe('DatasourceModal', () => {
    expect(checkbox).not.toBeChecked();

    // Click OK to submit
-    const okButton = screen.getByRole('button', { name: 'OK' });
+    const okButton = screen.getByRole('button', { name: 'Confirm' });
    fireEvent.click(okButton);

    // Verify the PUT request was made with override_columns=false
@@ -395,7 +395,7 @@ const DatasourceModal: FunctionComponent<DatasourceModalProps> = ({
        show={confirmModalOpen}
        onHide={handleConfirmModalClose}
        onHandledPrimaryAction={handleConfirmSave}
-        primaryButtonName={t('OK')}
+        primaryButtonName={t('Confirm')}
        primaryButtonLoading={isSaving}
      >
        {getSaveDialog()}
@@ -1627,9 +1627,7 @@ function DatasourceEditor({
              {t(
                'Default URL to redirect to when accessing from the dataset list page. Accepts relative URLs such as',
              )}{' '}
-              <Typography.Text code>
-                /superset/dashboard/{'{id}'}/
-              </Typography.Text>
+              <Typography.Text code>/dashboard/{'{id}'}/</Typography.Text>
            </>
          }
          control={<TextControl controlId="default_endpoint" />}
@@ -71,6 +71,17 @@ test('renders Tabs', async () => {
  expect(screen.getByTestId('edit-dataset-tabs')).toBeInTheDocument();
 });

+test('recommends a registered client route for the default URL', async () => {
+  await asyncRender(createProps());
+
+  userEvent.click(screen.getByRole('tab', { name: 'Settings' }));
+
+  expect(await screen.findByText('/dashboard/{id}/')).toBeInTheDocument();
+  expect(
+    screen.queryByText('/superset/dashboard/{id}/'),
+  ).not.toBeInTheDocument();
+});
+
 test('can sync columns from source', async () => {
  const testProps = createProps();
  await asyncRender({
@@ -468,7 +468,7 @@ function SliceAdder({
          <AutoSizer>
            {({ height, width }: { height: number; width: number }) => (
              <List
-                style={{ width, height }}
+                style={{ width, height, maxHeight: height }}
                rowCount={filteredSlices.length}
                rowHeight={DEFAULT_CELL_HEIGHT}
                rowProps={listRowProps}
@@ -105,10 +105,17 @@ export const SamplesPane = ({
        1,
      )
        .then(response => {
-          setData(ensureIsArray(response.data));
-          setColnames(ensureIsArray(response.colnames));
-          setColtypes(ensureIsArray(response.coltypes));
-          setRowCount(response.rowcount);
+          // A 200 that carries no `result` payload resolves to undefined here.
+          // Read through it so the pane falls back to its empty state instead
+          // of throwing a TypeError that surfaces as an internal error message.
+          const rows = ensureIsArray(response?.data);
+          setData(rows);
+          setColnames(ensureIsArray(response?.colnames));
+          setColtypes(ensureIsArray(response?.coltypes));
+          // Fall back to the rows actually returned rather than to zero: the
+          // controls only render when there are rows, and a hardcoded 0 would
+          // label a populated table as "0 rows".
+          setRowCount(response?.rowcount ?? rows.length);
          setResponseError('');
          cache.set(queryFormData, true);
          if (queryForce) {
@@ -60,6 +60,27 @@ describe('SamplesPane', () => {
    400,
  );

+  // A 200 response that carries no `result` payload, as reported in #36840.
+  fetchMock.post(
+    'end:/datasource/samples?force=false&datasource_type=table&datasource_id=37&per_page=100&page=1',
+    {},
+  );
+
+  // A 200 whose result carries rows but omits `rowcount`.
+  fetchMock.post(
+    'end:/datasource/samples?force=false&datasource_type=table&datasource_id=38&per_page=100&page=1',
+    {
+      result: {
+        data: [
+          { __timestamp: 1230768000000, genre: 'Action' },
+          { __timestamp: 1230768000010, genre: 'Horror' },
+        ],
+        colnames: ['__timestamp', 'genre'],
+        coltypes: [2, 1],
+      },
+    },
+  );
+
  const setForceQuery = jest.fn();

  afterAll(() => {
@@ -114,4 +135,29 @@ describe('SamplesPane', () => {
    expect(queryByText('Action')).toBeVisible();
    expect(queryByText('Horror')).toBeVisible();
  });
+
+  test('renders the empty state when the response carries no result payload', async () => {
+    const props = createSamplesPaneProps({ datasourceId: 37 });
+    const { findByText, queryByRole } = render(<SamplesPane {...props} />, {
+      useRedux: true,
+    });
+
+    expect(
+      await findByText('No samples were returned for this dataset'),
+    ).toBeVisible();
+    // The pane should not leak an internal TypeError through the error alert.
+    expect(queryByRole('alert')).not.toBeInTheDocument();
+  });
+
+  test('counts the returned rows when the response omits rowcount', async () => {
+    const props = createSamplesPaneProps({ datasourceId: 38 });
+    const { findByText, queryByText } = render(<SamplesPane {...props} />, {
+      useRedux: true,
+    });
+
+    expect(await findByText('Action')).toBeVisible();
+    // Falling back to 0 here would label a populated table as "0 rows".
+    expect(queryByText('0 rows')).not.toBeInTheDocument();
+    expect(queryByText('2 rows')).toBeVisible();
+  });
 });
@@ -148,7 +148,7 @@ export const DatasourceItems = ({

  return (
    <List
-      style={{ width: width - BORDER_WIDTH, height }}
+      style={{ width: width - BORDER_WIDTH, height, maxHeight: height }}
      rowHeight={rowHeight}
      rowCount={flattenedItems.length}
      rowProps={rowProps}
@@ -150,7 +150,7 @@ const waitForRender = (props?: any) =>
 test('renders with default props', async () => {
  await waitForRender();
  expect(screen.getByRole('button', { name: 'Apply' })).toBeDisabled();
-  expect(screen.getByRole('button', { name: 'OK' })).toBeDisabled();
+  expect(screen.getByRole('button', { name: 'Confirm' })).toBeDisabled();
  expect(screen.getByRole('button', { name: 'Cancel' })).toBeEnabled();
 });

@@ -188,7 +188,7 @@ test('enables apply and ok buttons', async () => {

  await waitFor(() => {
    expect(screen.getByRole('button', { name: 'Apply' })).toBeEnabled();
-    expect(screen.getByRole('button', { name: 'OK' })).toBeEnabled();
+    expect(screen.getByRole('button', { name: 'Confirm' })).toBeEnabled();
  });
 });

@@ -203,7 +203,7 @@ test('triggers addAnnotationLayer and close when ok button is clicked', async ()
  const addAnnotationLayer = jest.fn();
  const close = jest.fn();
  await waitForRender({ name: 'Test', value: '2x', addAnnotationLayer, close });
-  userEvent.click(screen.getByRole('button', { name: 'OK' }));
+  userEvent.click(screen.getByRole('button', { name: 'Confirm' }));
  expect(addAnnotationLayer).toHaveBeenCalled();
  expect(close).toHaveBeenCalled();
 });
@@ -724,7 +724,7 @@ test('Disable apply button if formula is incorrect', async () => {

  const formulaInput = screen.getByRole('textbox', { name: 'Formula' });
  const applyButton = screen.getByRole('button', { name: 'Apply' });
-  const okButton = screen.getByRole('button', { name: 'OK' });
+  const okButton = screen.getByRole('button', { name: 'Confirm' });

  userEvent.type(formulaInput, 'x+1');
  expect(formulaInput).toHaveValue('x+1');
@@ -1303,7 +1303,7 @@ function AnnotationLayer({
            disabled={!isValid}
            onClick={submitAnnotation}
          >
-            {t('OK')}
+            {t('Confirm')}
          </Button>
        </div>
      </div>
@@ -251,4 +251,11 @@ export const DEFAULT_CONFIG_FORM_LAYOUT: ColumnConfigFormLayout = {
      { name: 'horizontalAlign', override: { defaultValue: 'left' } },
    ],
  ],
+  [GenericDataType.MultiValue]: [
+    [
+      'columnWidth',
+      { name: 'horizontalAlign', override: { defaultValue: 'left' } },
+    ],
+    ['truncateLongCells'],
+  ],
 };
@@ -187,7 +187,7 @@ async function openAndSaveChanges(
  await userEvent.click(screen.getByTestId('datasource-menu-trigger'));
  await userEvent.click(await screen.findByTestId('edit-dataset'));
  await userEvent.click(await screen.findByTestId('datasource-modal-save'));
-  await userEvent.click(await screen.findByText('OK'));
+  await userEvent.click(await screen.findByText('Confirm'));
 }

 test('Should render', async () => {
@@ -714,10 +714,10 @@ test('should handle metric save confirmation modal', async () => {
  await userEvent.click(await screen.findByTestId('datasource-modal-save'));

  // Verify confirmation modal appears
-  expect(await screen.findByText('OK')).toBeInTheDocument();
+  expect(await screen.findByText('Confirm')).toBeInTheDocument();

  // Confirm save
-  await userEvent.click(screen.getByText('OK'));
+  await userEvent.click(screen.getByText('Confirm'));

  await waitFor(() => {
    expect(props.onDatasourceSave).toHaveBeenCalled();
@@ -207,38 +207,6 @@ describe('AdhocFilter', () => {
    expect(adhocFilter10.isValid()).toBe(true);
  });

-  test('is invalid when a comparator-taking operator has no comparator', () => {
-    // A comparator that was never set, or that was cleared through the value
-    // Select's clear affordance, is `undefined` rather than `null` or `[]`.
-    const adhocFilter1 = new AdhocFilter({
-      expressionType: ExpressionTypes.Simple,
-      subject: 'is_intro',
-      operator: 'IN',
-      comparator: undefined,
-      clause: Clauses.Where,
-    });
-    expect(adhocFilter1.isValid()).toBe(false);
-
-    const adhocFilter2 = new AdhocFilter({
-      expressionType: ExpressionTypes.Simple,
-      subject: 'is_intro',
-      operator: '==',
-      comparator: undefined,
-      clause: Clauses.Where,
-    });
-    expect(adhocFilter2.isValid()).toBe(false);
-
-    // `false` is a legitimate boolean comparator, not a missing value
-    const adhocFilter3 = new AdhocFilter({
-      expressionType: ExpressionTypes.Simple,
-      subject: 'is_intro',
-      operator: '==',
-      comparator: false,
-      clause: Clauses.Where,
-    });
-    expect(adhocFilter3.isValid()).toBe(true);
-  });
-
  test('can translate from simple expressions to sql expressions', () => {
    const adhocFilter1 = new AdhocFilter({
      expressionType: ExpressionTypes.Simple,
@@ -302,6 +270,74 @@ describe('AdhocFilter', () => {
    });
    expect(adhocFilter.comparator).toBe(undefined);
  });
+  // Charts saved before #32701 persisted `==` as the operation for IS_TRUE and
+  // IS_FALSE, alongside a boolean comparator. `translateToSql` and the backend
+  // both key off `operator`, so dropping the comparator would render such a
+  // filter as `col =` and query it as `col IS NULL`.
+  test('keeps the legacy boolean comparator for IS_TRUE', () => {
+    const adhocFilter = new AdhocFilter({
+      expressionType: ExpressionTypes.Simple,
+      subject: 'col',
+      operator: '==',
+      operatorId: Operators.IsTrue,
+      comparator: true,
+      clause: Clauses.Where,
+    });
+    expect(adhocFilter.operator).toBe('==');
+    expect(adhocFilter.comparator).toBe(true);
+    expect(adhocFilter.translateToSql()).toBe("col = 'TRUE'");
+  });
+  test('keeps the legacy boolean comparator for IS_FALSE', () => {
+    const adhocFilter = new AdhocFilter({
+      expressionType: ExpressionTypes.Simple,
+      subject: 'col',
+      operator: '==',
+      operatorId: Operators.IsFalse,
+      comparator: false,
+      clause: Clauses.Where,
+    });
+    expect(adhocFilter.operator).toBe('==');
+    expect(adhocFilter.comparator).toBe(false);
+    expect(adhocFilter.translateToSql()).toBe("col = 'FALSE'");
+  });
+  test('restores the boolean even when the stored comparator is missing', () => {
+    const adhocFilter = new AdhocFilter({
+      expressionType: ExpressionTypes.Simple,
+      subject: 'col',
+      operator: '==',
+      operatorId: Operators.IsTrue,
+      clause: Clauses.Where,
+    });
+    expect(adhocFilter.comparator).toBe(true);
+  });
+  test('keeps a legacy boolean filter intact when the control re-posts it', () => {
+    const stored = {
+      expressionType: ExpressionTypes.Simple,
+      subject: 'col',
+      operator: '==',
+      operatorId: Operators.IsTrue,
+      comparator: true,
+      clause: Clauses.Where,
+    };
+    // DndFilterSelect wraps props.value and hands those instances to onChange
+    const posted = JSON.parse(JSON.stringify(new AdhocFilter(stored)));
+    expect(posted.operator).toBe('==');
+    expect(posted.comparator).toBe(true);
+    expect(posted.operatorId).toBe(Operators.IsTrue);
+  });
+  test('leaves a genuine equality filter on a boolean value alone', () => {
+    const adhocFilter = new AdhocFilter({
+      expressionType: ExpressionTypes.Simple,
+      subject: 'col',
+      operator: '==',
+      operatorId: Operators.Equals,
+      comparator: true,
+      clause: Clauses.Where,
+    });
+    expect(adhocFilter.operator).toBe('==');
+    expect(adhocFilter.comparator).toBe(true);
+    expect(adhocFilter.translateToSql()).toBe("col = 'TRUE'");
+  });
  test('sets the label properly if subject is a string', () => {
    const adhocFilter = new AdhocFilter({
      expressionType: ExpressionTypes.Simple,
@@ -30,6 +30,15 @@ const CUSTOM_OPERATIONS = [...CUSTOM_OPERATORS].map(
  op => OPERATOR_ENUM_TO_OPERATOR_TYPE[op].operation,
 );

+// Charts saved before #32701 store `==` for IS_TRUE/IS_FALSE with the boolean
+// in the comparator; blanking it makes them query `col IS NULL`. Restoring it
+// leaves the emitted SQL untouched -- reconciling `operator` to `IS TRUE`
+// would not, and Druid rejects that predicate on VARCHAR columns.
+const LEGACY_BOOLEAN_COMPARATORS = new Map<string, boolean>([
+  [Operators.IsTrue, true],
+  [Operators.IsFalse, false],
+]);
+
 interface AdhocFilterInput {
  expressionType?: string;
  subject?: string | { column_name?: string; [key: string]: unknown } | null;
@@ -77,6 +86,16 @@ export default class AdhocFilter {
      ) {
        this.comparator = undefined;
      }
+      if (
+        this.operator ===
+          OPERATOR_ENUM_TO_OPERATOR_TYPE[Operators.Equals].operation &&
+        adhocFilter.operatorId &&
+        LEGACY_BOOLEAN_COMPARATORS.has(adhocFilter.operatorId)
+      ) {
+        this.comparator = LEGACY_BOOLEAN_COMPARATORS.get(
+          adhocFilter.operatorId,
+        );
+      }
      this.clause = adhocFilter.clause || Clauses.Where;
      this.sqlExpression = null;
    } else if (this.expressionType === ExpressionTypes.Sql) {
@@ -163,10 +182,8 @@ export default class AdhocFilter {
          // A non-empty array of values ('IN' or 'NOT IN' clauses)
          return this.comparator.length > 0;
        }
-        // A value has been selected or typed. An unset comparator is
-        // `undefined` rather than `null`: picking a new subject resets it, and
-        // the value Select's clear affordance emits `undefined` too.
-        return this.comparator != null;
+        // A value has been selected or typed
+        return this.comparator !== null;
      }
    }

@@ -181,29 +181,6 @@ describe('AdhocFilterEditPopover', () => {
    expect(saveButton).toBeDisabled();
  });

-  test('disables save button when a boolean column has no value selected', async () => {
-    const booleanColumn = { type: 'BOOL', column_name: 'is_intro' };
-    renderPopover({
-      adhocFilter: new AdhocFilter({
-        expressionType: ExpressionTypes.Simple,
-        clause: Clauses.Where,
-      }),
-      options: [booleanColumn],
-      datasource: { columns: [booleanColumn], filter_select: false },
-    });
-
-    // Picking the subject resets the comparator to `undefined`; the value
-    // control is then left untouched, mirroring the reported repro.
-    await userEvent.click(screen.getByTestId('select-element'));
-    await userEvent.click(
-      await screen.findByRole('option', { name: /is_intro/ }),
-    );
-
-    expect(
-      screen.getByTestId('adhoc-filter-edit-popover-save-button'),
-    ).toBeDisabled();
-  });
-
  test('initiates resize when resize handle is dragged', async () => {
    const onResize = jest.fn();
    renderPopover({ onResize });
@@ -367,8 +367,22 @@ function AdhocFilterEditPopover({
              </ErrorBoundary>
            ),
          },
-          ...(datasource?.type === 'semantic_view'
-            ? []
+          ...(datasource?.type === 'semantic_view' ||
+          [
+            Operators.ContainsAny,
+            Operators.ContainsAll,
+            Operators.IsEmpty,
+            Operators.IsNotEmpty,
+            Operators.LengthEquals,
+            Operators.LengthGreaterThan,
+            Operators.LengthLessThan,
+            Operators.LengthGreaterThanOrEqual,
+            Operators.LengthLessThanOrEqual,
+          ].includes(adhocFilter.operatorId as Operators)
+            ? // Hide the Custom SQL tab for element-level array operators: they
+              // have no portable SQL representation, and converting one would
+              // silently turn the filter into invalid raw SQL.
+              []
            : [
                {
                  key: ExpressionTypes.Sql,
@@ -35,6 +35,7 @@ import {
 } from 'src/explore/constants';
 import AdhocMetric from 'src/explore/components/controls/MetricControl/AdhocMetric';
 import { FeatureFlag, isFeatureEnabled } from '@superset-ui/core';
+import { GenericDataType } from '@apache-superset/core/common';
 import fetchMock from 'fetch-mock';

 import { TestDataset, Dataset } from '@superset-ui/chart-controls';
@@ -252,6 +253,78 @@ test('shows boolean only operators when subject is number', () => {
  ].map(operator => expect(isOperatorRelevant(operator, 'value')).toBe(true));
 });

+test('shows array operators (tier 1 + tier 2) when subject is multi-value', () => {
+  const props = setup({
+    adhocFilter: new AdhocFilter({
+      expressionType: ExpressionTypes.Simple,
+      subject: 'skills',
+      operatorId: undefined,
+      operator: undefined,
+      comparator: undefined,
+      clause: undefined,
+    }),
+    datasource: {
+      columns: [
+        {
+          id: 3,
+          column_name: 'skills',
+          type: 'Array(String)',
+          type_generic: GenericDataType.MultiValue,
+        },
+      ],
+    },
+  });
+  const { isOperatorRelevant } = useSimpleTabFilterProps(
+    props as unknown as Props,
+  );
+  // Tier 1 (whole-array) + Tier 2 (element-level) are all relevant.
+  [
+    Operators.Equals,
+    Operators.NotEquals,
+    Operators.In,
+    Operators.NotIn,
+    Operators.IsNull,
+    Operators.IsNotNull,
+    Operators.ContainsAny,
+    Operators.ContainsAll,
+    Operators.IsEmpty,
+    Operators.IsNotEmpty,
+  ].forEach(operator =>
+    expect(isOperatorRelevant(operator, 'skills')).toBe(true),
+  );
+  // scalar-only operators are hidden for array columns
+  [Operators.GreaterThan, Operators.LessThan, Operators.Like].forEach(
+    operator => expect(isOperatorRelevant(operator, 'skills')).toBe(false),
+  );
+});
+
+test('hides element-level array operators for non multi-value columns', () => {
+  const props = setup({
+    adhocFilter: new AdhocFilter({
+      expressionType: ExpressionTypes.Simple,
+      subject: 'value',
+      operatorId: undefined,
+      operator: undefined,
+      comparator: undefined,
+      clause: undefined,
+    }),
+    datasource: {
+      columns: [{ id: 3, column_name: 'value', type: 'STRING' }],
+    },
+  });
+  const { isOperatorRelevant } = useSimpleTabFilterProps(
+    props as unknown as Props,
+  );
+  [
+    Operators.ContainsAny,
+    Operators.ContainsAll,
+    Operators.IsEmpty,
+    Operators.IsNotEmpty,
+  ].forEach(operator =>
+    expect(isOperatorRelevant(operator, 'value')).toBe(false),
+  );
+});
+
 test('will convert from individual comparator to array if the operator changes to multi', () => {
  const props = setup();
  const { onOperatorChange } = useSimpleTabFilterProps(
@@ -309,6 +382,49 @@ test('will convert from array to individual comparators if the operator changes
  );
 });

+test('resets the comparator when switching between array value families', () => {
+  // Equal to (whole-array literal) -> Contains all (individual elements):
+  // the value spaces are incompatible, so the stale value must be cleared.
+  const wholeArrayFilter = new AdhocFilter({
+    expressionType: ExpressionTypes.Simple,
+    subject: 'scores',
+    operatorId: Operators.Equals,
+    operator: OPERATOR_ENUM_TO_OPERATOR_TYPE[Operators.Equals].operation,
+    comparator: '[5,6,7]',
+    clause: Clauses.Where,
+  });
+  const props = setup({ adhocFilter: wholeArrayFilter });
+  const { onOperatorChange } = useSimpleTabFilterProps(
+    props as unknown as Props,
+  );
+  onOperatorChange(Operators.ContainsAll);
+  const lastCall =
+    props.onChange.mock.calls[props.onChange.mock.calls.length - 1][0];
+  expect(lastCall.operatorId).toEqual(Operators.ContainsAll);
+  expect(lastCall.comparator).toBeUndefined();
+});
+
+test('keeps the value when switching within the element family', () => {
+  // Contains any <-> Contains all both take individual elements, so the
+  // selected elements should carry over.
+  const elementFilter = new AdhocFilter({
+    expressionType: ExpressionTypes.Simple,
+    subject: 'scores',
+    operatorId: Operators.ContainsAny,
+    operator: OPERATOR_ENUM_TO_OPERATOR_TYPE[Operators.ContainsAny].operation,
+    comparator: ['5', '6'],
+    clause: Clauses.Where,
+  });
+  const props = setup({ adhocFilter: elementFilter });
+  const { onOperatorChange } = useSimpleTabFilterProps(
+    props as unknown as Props,
+  );
+  onOperatorChange(Operators.ContainsAll);
+  const lastCall =
+    props.onChange.mock.calls[props.onChange.mock.calls.length - 1][0];
+  expect(lastCall.comparator).toEqual(['5', '6']);
+});
+
 test('passes the new adhocFilter to onChange after onComparatorChange', () => {
  const props = setup();
  const { onComparatorChange } = useSimpleTabFilterProps(
@@ -399,6 +515,28 @@ test('will not display boolean operators when column type is string', () => {
  });
 });

+test.each(['STRING', 'DATE'])(
+  'will not display boolean operators when an expression column declares type %s',
+  type => {
+    const props = setup({
+      datasource: {
+        type: 'table' as const,
+        datasource_name: 'table1',
+        schema: 'schema',
+        columns: [{ column_name: 'value', type, expression: '"value"' }],
+      },
+      adhocFilter: simpleAdhocFilter,
+    });
+    const { isOperatorRelevant } = useSimpleTabFilterProps(
+      props as unknown as Props,
+    );
+    const booleanOnlyOperators = [Operators.IsTrue, Operators.IsFalse];
+    booleanOnlyOperators.forEach(operator => {
+      expect(isOperatorRelevant(operator, 'value')).toBe(false);
+    });
+  },
+);
+
 test('will display boolean operators when column is an expression', () => {
  const props = setup({
    datasource: {
@@ -32,6 +32,7 @@ import {
  isDefined,
  SupersetClient,
 } from '@superset-ui/core';
+import { GenericDataType } from '@apache-superset/core/common';
 import { styled, useTheme, css } from '@apache-superset/core/theme';
 import {
  Operators,
@@ -118,6 +119,8 @@ export const useSimpleTabFilterProps = (props: Props) => {
    const isColumnNumber =
      !!column && (column.type === 'INT' || column.type === 'INTEGER');
    const isColumnFunction = !!column && !!column.expression;
+    const isColumnMultiValue =
+      !!column && column.type_generic === GenericDataType.MultiValue;

    if (operator && operator === Operators.LatestPartition) {
      const { partitionColumn } = props;
@@ -127,8 +130,41 @@ export const useSimpleTabFilterProps = (props: Props) => {
      // hide the TEMPORAL_RANGE operator
      return false;
    }
+    // Element-level array operators only apply to multi-value columns.
+    const arrayElementOperators = [
+      Operators.ContainsAny,
+      Operators.ContainsAll,
+      Operators.IsEmpty,
+      Operators.IsNotEmpty,
+      Operators.LengthEquals,
+      Operators.LengthGreaterThan,
+      Operators.LengthLessThan,
+      Operators.LengthGreaterThanOrEqual,
+      Operators.LengthLessThanOrEqual,
+    ];
+    if (arrayElementOperators.includes(operator)) {
+      return isColumnMultiValue;
+    }
+    if (isColumnMultiValue) {
+      // Array columns support whole-array operators (=, !=, In, Not in, null
+      // checks) plus the element-level operators above. Scalar-only operators
+      // (Like, <, >, <=, >=) are hidden because they aren't valid on an array.
+      return [
+        Operators.Equals,
+        Operators.NotEquals,
+        Operators.In,
+        Operators.NotIn,
+        Operators.IsNull,
+        Operators.IsNotNull,
+        ...arrayElementOperators,
+      ].includes(operator);
+    }
    if (operator === Operators.IsTrue || operator === Operators.IsFalse) {
-      return isColumnBoolean || isColumnNumber || isColumnFunction;
+      // An expression column may evaluate to a boolean, but that is only a
+      // safe assumption while its type is unknown; a declared type wins.
+      return (
+        isColumnBoolean || isColumnNumber || (isColumnFunction && !column?.type)
+      );
    }
    if (isColumnBoolean) {
      return operator === Operators.IsNull || operator === Operators.IsNotNull;
@@ -167,9 +203,19 @@ export const useSimpleTabFilterProps = (props: Props) => {
          ].operation
        : null;
    if (!isDefined(operator)) {
-      // if operator is `null`, use the `IN` and reset the comparator.
-      operator = Operators.In;
-      operatorId = Operators.In;
+      // The previous operator is not relevant for the new subject; pick a
+      // sensible default and reset the comparator. Multi-value (array) columns
+      // default to "Contains any" (element membership) rather than the
+      // scalar-only IN.
+      const newColumn = props.datasource.columns?.find(
+        col => col.column_name === subject,
+      );
+      const defaultOperator =
+        newColumn?.type_generic === GenericDataType.MultiValue
+          ? Operators.ContainsAny
+          : Operators.In;
+      operator = defaultOperator;
+      operatorId = defaultOperator;
      comparator = undefined;
    }

@@ -193,10 +239,38 @@ export const useSimpleTabFilterProps = (props: Props) => {
  };
  const onOperatorChange = (operatorId: Operators) => {
    const currentComparator = props.adhocFilter.comparator;
+    // The value space differs between operator families: element-level array
+    // ops (Contains any/all) take individual elements, whole-array/scalar ops
+    // (=, In, …) take whole arrays or scalars, Length ops take a count, and the
+    // unary ops take nothing. A value from one family is meaningless in another,
+    // so reset the value when the family changes (e.g. Equal to -> Contains all).
+    const comparatorKind = (op?: Operators): string => {
+      if (!op) return 'none';
+      if (op === Operators.ContainsAny || op === Operators.ContainsAll) {
+        return 'element';
+      }
+      if (
+        op === Operators.LengthEquals ||
+        op === Operators.LengthGreaterThan ||
+        op === Operators.LengthLessThan ||
+        op === Operators.LengthGreaterThanOrEqual ||
+        op === Operators.LengthLessThanOrEqual
+      ) {
+        return 'length';
+      }
+      if (DISABLE_INPUT_OPERATORS.includes(op)) return 'none';
+      return 'value';
+    };
+    const valueFamilyChanged =
+      comparatorKind(props.adhocFilter.operatorId as Operators | undefined) !==
+      comparatorKind(operatorId);
+
    let newComparator;
-    // convert between list of comparators and individual comparators
-    // (e.g. `in ('North America', 'Africa')` to `== 'North America'`)
-    if (MULTI_OPERATORS.has(operatorId)) {
+    if (valueFamilyChanged) {
+      newComparator = undefined;
+    } else if (MULTI_OPERATORS.has(operatorId)) {
+      // convert between list of comparators and individual comparators
+      // (e.g. `in ('North America', 'Africa')` to `== 'North America'`)
      newComparator = Array.isArray(currentComparator)
        ? currentComparator
        : [currentComparator].filter(element => element != null);
@@ -433,19 +507,42 @@ const AdhocFilterEditPopoverSimpleTabContent: FC<Props> = props => {
        if (loadingComparatorSuggestions) {
          controller.abort();
        }
+        // Element-level array operators (Contains any / Contains all) search
+        // inside the array, so suggest individual elements; whole-array
+        // operators (=, In, …) keep the default distinct-array suggestions.
+        const { operatorId } = props.adhocFilter;
+        const arrayElements =
+          operatorId === Operators.ContainsAny ||
+          operatorId === Operators.ContainsAll;
        setLoadingComparatorSuggestions(true);
        SupersetClient.get({
          signal,
-          endpoint: `/api/v1/datasource/${datasource.type}/${datasource.id}/column/${col}/values/`,
+          endpoint: `/api/v1/datasource/${datasource.type}/${datasource.id}/column/${col}/values/${
+            arrayElements ? '?array_elements=true' : ''
+          }`,
        })
          .then(({ json }) => {
            setSuggestions(
-              json.result.map(
-                (suggestion: null | number | boolean | string) => ({
-                  value: suggestion,
-                  label: optionLabel(suggestion),
-                }),
-              ),
+              json.result.map((suggestion: unknown) => {
+                // Complex column values arrive as JS arrays or objects: whole
+                // arrays for MULTI_VALUE columns (e.g. [5, 6, 7]) and Map/Tuple
+                // objects for nested-container columns (e.g. {"a": ["x","y"]}).
+                // A raw array/object is neither a valid single-select value
+                // (antd collapses an array to its first element) nor renderable
+                // as a React child (an object throws). Render it as its literal
+                // string, which is also exactly what the backend's
+                // parse_array_literal expects for the whole-array operators.
+                if (suggestion !== null && typeof suggestion === 'object') {
+                  const literal = JSON.stringify(suggestion);
+                  return { value: literal, label: literal };
+                }
+                return {
+                  value: suggestion as null | number | boolean | string,
+                  label: optionLabel(
+                    suggestion as null | number | boolean | string,
+                  ),
+                };
+              }),
            );
            setLoadingComparatorSuggestions(false);
          })
@@ -464,6 +561,7 @@ const AdhocFilterEditPopoverSimpleTabContent: FC<Props> = props => {
  }, [
    props.adhocFilter.subject,
    props.adhocFilter.clause,
+    props.adhocFilter.operatorId,
    props.datasource,
    datePicker,
  ]);
@@ -44,6 +44,17 @@ export const OPERATORS_TO_SQL = {
  'IS NULL': 'IS NULL',
  'IS TRUE': 'IS TRUE',
  'IS FALSE': 'IS FALSE',
+  // Element-level array operators (shown as filter labels; not executable SQL —
+  // the Custom SQL tab is hidden for these).
+  CONTAINS_ANY: 'CONTAINS ANY',
+  CONTAINS_ALL: 'CONTAINS ALL',
+  IS_EMPTY: 'IS EMPTY',
+  IS_NOT_EMPTY: 'IS NOT EMPTY',
+  LENGTH_EQUALS: 'LENGTH =',
+  LENGTH_GREATER_THAN: 'LENGTH >',
+  LENGTH_LESS_THAN: 'LENGTH <',
+  LENGTH_GREATER_THAN_OR_EQUALS: 'LENGTH >=',
+  LENGTH_LESS_THAN_OR_EQUALS: 'LENGTH <=',
  'LATEST PARTITION': ({
    datasource,
  }: {
@@ -191,6 +191,29 @@ describe('AdhocMetric', () => {
    expect(adhocMetric2.inferSqlExpressionAggregate()).toBeNull();
  });

+  test('can infer the new extended aggregates (STDDEV_SAMP/VAR_SAMP/MEDIAN) from sql expressions', () => {
+    const stddevSamp = new AdhocMetric({
+      expressionType: EXPRESSION_TYPES.SQL,
+      sqlExpression: 'STDDEV_SAMP(my_column)',
+    });
+    expect(stddevSamp.inferSqlExpressionColumn()).toBe('my_column');
+    expect(stddevSamp.inferSqlExpressionAggregate()).toBe('STDDEV_SAMP');
+
+    const varSamp = new AdhocMetric({
+      expressionType: EXPRESSION_TYPES.SQL,
+      sqlExpression: 'VAR_SAMP(my_column)',
+    });
+    expect(varSamp.inferSqlExpressionColumn()).toBe('my_column');
+    expect(varSamp.inferSqlExpressionAggregate()).toBe('VAR_SAMP');
+
+    const median = new AdhocMetric({
+      expressionType: EXPRESSION_TYPES.SQL,
+      sqlExpression: 'MEDIAN(my_column)',
+    });
+    expect(median.inferSqlExpressionColumn()).toBe('my_column');
+    expect(median.inferSqlExpressionAggregate()).toBe('MEDIAN');
+  });
+
  test('will infer columns and aggregates when converting to a simple expression', () => {
    const adhocMetric = new AdhocMetric({
      expressionType: EXPRESSION_TYPES.SQL,
@@ -248,4 +271,20 @@ describe('AdhocMetric', () => {
    ).toBe('COUNT_DISTINCT');
    expect(emptyColumnName.getDefaultLabel()).toBe('COUNT_DISTINCT');
  });
+
+  test('should prefill a portable MEDIAN expression for the Custom SQL tab, but keep the raw label', () => {
+    const median = new AdhocMetric({
+      column: valueColumn,
+      aggregate: AGGREGATES.MEDIAN,
+      hasCustomLabel: false,
+    });
+    // MEDIAN(column) isn't valid SQL on every engine this PR verifies it
+    // for (e.g. PostgreSQL has no MEDIAN function), so the editable Custom
+    // SQL tab is prefilled with the portable, standards-based spelling.
+    expect(median.translateToSql({ transformCountDistinct: true })).toBe(
+      'PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY value)',
+    );
+    // The display label stays the concise, human-readable form.
+    expect(median.getDefaultLabel()).toBe('MEDIAN(value)');
+  });
 });
@@ -153,6 +153,19 @@ export default class AdhocMetric {
      ) {
        return `COUNT(DISTINCT ${column.slice(1, -1)})`;
      }
+      // MEDIAN(column) isn't a real function on every engine this PR
+      // verifies it for -- PostgreSQL/Redshift compile it to
+      // PERCENTILE_CONT(0.5) WITHIN GROUP instead. `transformCountDistinct`
+      // signals this call is prefilling the *editable, executable* Custom
+      // SQL tab (not just a display label), so use the portable,
+      // standards-based spelling there instead of the raw aggregate name.
+      if (
+        params.transformCountDistinct &&
+        aggregate === AGGREGATES.MEDIAN &&
+        /^\(.*\)$/.test(column)
+      ) {
+        return `PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER BY ${column.slice(1, -1)})`;
+      }
      return aggregate + column;
    }
    if (this.expressionType === EXPRESSION_TYPES.SQL) {
@@ -36,6 +36,7 @@ import {
 import sqlKeywords from 'src/SqlLab/utils/sqlKeywords';
 import { noOp } from 'src/utils/common';
 import {
+  AGGREGATES_LABELS,
  AGGREGATES_OPTIONS,
  POPOVER_INITIAL_HEIGHT,
  POPOVER_INITIAL_WIDTH,
@@ -548,7 +549,7 @@ function AdhocMetricEditPopover({
                  <Select
                    options={AGGREGATES_OPTIONS.map(option => ({
                      value: option,
-                      label: option,
+                      label: AGGREGATES_LABELS[option] ?? option,
                      key: option,
                    }))}
                    {...aggregateSelectProps}
@@ -23,11 +23,22 @@ export const AGGREGATES = {
  COUNT: 'COUNT',
  COUNT_DISTINCT: 'COUNT_DISTINCT',
  MAX: 'MAX',
+  MEDIAN: 'MEDIAN',
  MIN: 'MIN',
+  STDDEV_SAMP: 'STDDEV_SAMP',
  SUM: 'SUM',
+  VAR_SAMP: 'VAR_SAMP',
 };
 export const AGGREGATES_OPTIONS = Object.values(AGGREGATES);

+// Human-readable labels for aggregates whose raw enum value isn't
+// self-explanatory in the UI. Aggregates absent here (AVG, COUNT, MAX,
+// MEDIAN, MIN, SUM, ...) are already clear as their raw value.
+export const AGGREGATES_LABELS: Record<string, string> = {
+  STDDEV_SAMP: t('Sample Standard Deviation'),
+  VAR_SAMP: t('Sample Variance'),
+};
+
 export enum Operators {
  Equals = 'EQUALS',
  NotEquals = 'NOT_EQUALS',
@@ -45,6 +56,17 @@ export enum Operators {
  IsTrue = 'IS_TRUE',
  IsFalse = 'IS_FALSE',
  TemporalRange = 'TEMPORAL_RANGE',
+  // Element-level operators for multi-value (array) columns
+  ContainsAny = 'CONTAINS_ANY',
+  ContainsAll = 'CONTAINS_ALL',
+  IsEmpty = 'IS_EMPTY',
+  IsNotEmpty = 'IS_NOT_EMPTY',
+  // Length (element-count) comparison operators for array columns
+  LengthEquals = 'LENGTH_EQUALS',
+  LengthGreaterThan = 'LENGTH_GREATER_THAN',
+  LengthLessThan = 'LENGTH_LESS_THAN',
+  LengthGreaterThanOrEqual = 'LENGTH_GREATER_THAN_OR_EQUALS',
+  LengthLessThanOrEqual = 'LENGTH_LESS_THAN_OR_EQUALS',
 }

 export interface OperatorType {
@@ -89,6 +111,39 @@ export const OPERATOR_ENUM_TO_OPERATOR_TYPE: {
    display: t('TEMPORAL_RANGE'),
    operation: 'TEMPORAL_RANGE',
  },
+  [Operators.ContainsAny]: {
+    display: t('Contains any'),
+    operation: 'CONTAINS_ANY',
+  },
+  [Operators.ContainsAll]: {
+    display: t('Contains all'),
+    operation: 'CONTAINS_ALL',
+  },
+  [Operators.IsEmpty]: { display: t('Is empty'), operation: 'IS_EMPTY' },
+  [Operators.IsNotEmpty]: {
+    display: t('Is not empty'),
+    operation: 'IS_NOT_EMPTY',
+  },
+  [Operators.LengthEquals]: {
+    display: t('Length equals (=)'),
+    operation: 'LENGTH_EQUALS',
+  },
+  [Operators.LengthGreaterThan]: {
+    display: t('Length greater than (>)'),
+    operation: 'LENGTH_GREATER_THAN',
+  },
+  [Operators.LengthLessThan]: {
+    display: t('Length less than (<)'),
+    operation: 'LENGTH_LESS_THAN',
+  },
+  [Operators.LengthGreaterThanOrEqual]: {
+    display: t('Length greater or equal (>=)'),
+    operation: 'LENGTH_GREATER_THAN_OR_EQUALS',
+  },
+  [Operators.LengthLessThanOrEqual]: {
+    display: t('Length less or equal (<=)'),
+    operation: 'LENGTH_LESS_THAN_OR_EQUALS',
+  },
 };

 export const OPERATORS_OPTIONS = Object.values(Operators) as Operators[];
@@ -105,7 +160,12 @@ export const HAVING_OPERATORS = [
  Operators.GreaterThan,
  Operators.GreaterThanOrEqual,
 ];
-export const MULTI_OPERATORS = new Set([Operators.In, Operators.NotIn]);
+export const MULTI_OPERATORS = new Set([
+  Operators.In,
+  Operators.NotIn,
+  Operators.ContainsAny,
+  Operators.ContainsAll,
+]);
 // CUSTOM_OPERATORS will show operator in simple mode,
 // but will generate customized sqlExpression
 export const CUSTOM_OPERATORS = new Set([
@@ -120,12 +180,14 @@ export const DISABLE_INPUT_OPERATORS = [
  Operators.LatestPartition,
  Operators.IsTrue,
  Operators.IsFalse,
+  Operators.IsEmpty,
+  Operators.IsNotEmpty,
 ];

 export const sqlaAutoGeneratedMetricNameRegex =
  /^(sum|min|max|avg|count|count_distinct)__.*$/i;
 export const sqlaAutoGeneratedMetricRegex =
-  /^(LONG|DOUBLE|FLOAT)?(SUM|AVG|MAX|MIN|COUNT)\([A-Z0-9_."]*\)$/i;
+  /^(LONG|DOUBLE|FLOAT)?(SUM|AVG|MAX|MIN|COUNT|MEDIAN|STDDEV_SAMP|VAR_SAMP)\([A-Z0-9_."]*\)$/i;

 export const TIME_FILTER_LABELS = {
  time_range: t('Time range'),
@@ -82,3 +82,14 @@ test('Should handle boolean true comparator as a string value', () => {
    "subject operator 'TRUE'",
  );
 });
+
+test('Should render array-literal comparators as-is (not quoted)', () => {
+  // Whole-array = filter: the pasted array literal is shown unquoted.
+  expect(getSimpleSQLExpression('ingredients', '=', "['1 large egg']")).toBe(
+    "ingredients = ['1 large egg']",
+  );
+  // IN with multiple array literals.
+  expect(
+    getSimpleSQLExpression('ingredients', Operators.In, ["['a']", "['b']"]),
+  ).toBe(`ingredients ${Operators.In} (['a'], ['b'])`);
+});
@@ -461,10 +461,15 @@ export const getSimpleSQLExpression = (
    if (comparatorArray.length > 0 && showComparator) {
      const formattedComparators = comparatorArray
        .map(val => optionLabel(val))
-        .map(
-          val =>
-            `${quote}${isString ? String(val).replace(/'/g, "''") : val}${quote}`,
-        );
+        .map(val => {
+          // Array-literal values (e.g. ['a', 'b']) are shown as-is rather than
+          // quoted/escaped as a string, so array-column filters read naturally.
+          const asString = String(val);
+          if (asString.startsWith('[') && asString.endsWith(']')) {
+            return asString;
+          }
+          return `${quote}${isString ? asString.replace(/'/g, "''") : val}${quote}`;
+        });
      expression += ` ${prefix}${formattedComparators.join(', ')}${suffix}`;
    }
  }
@@ -0,0 +1,108 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import { createMemoryHistory, type Update } from 'history';
+import { Router } from 'react-router-dom';
+import { isFeatureEnabled } from '@superset-ui/core';
+import { render, screen, fireEvent } from 'spec/helpers/testing-library';
+import type Chart from 'src/types/Chart';
+import ChartCard from './ChartCard';
+
+jest.mock('@superset-ui/core', () => ({
+  ...jest.requireActual('@superset-ui/core'),
+  isFeatureEnabled: jest.fn(),
+}));
+
+const mockChart = {
+  id: 1,
+  slice_name: 'Sample Chart',
+  url: '/explore/?slice_id=1',
+  changed_on_delta_humanized: '2 days ago',
+  datasource_name_text: 'Sample dataset',
+  thumbnail_url: '/thumbnail.png',
+} as Chart;
+
+const renderCard = (history: ReturnType<typeof createMemoryHistory>) =>
+  render(
+    <Router history={history}>
+      <ChartCard
+        chart={mockChart}
+        hasPerm={() => true}
+        openChartEditModal={jest.fn()}
+        bulkSelectEnabled={false}
+        addDangerToast={jest.fn()}
+        addSuccessToast={jest.fn()}
+        refreshData={jest.fn()}
+        saveFavoriteStatus={jest.fn()}
+        favoriteStatus={false}
+        showThumbnails
+        handleBulkChartExport={jest.fn()}
+      />
+    </Router>,
+  );
+
+const recordNavigations = (
+  history: ReturnType<typeof createMemoryHistory>,
+): string[] => {
+  const navigations: string[] = [];
+  history.listen(({ action, location }: Update) =>
+    navigations.push(`${action} ${location.pathname}${location.search}`),
+  );
+  return navigations;
+};
+
+beforeEach(() => {
+  (isFeatureEnabled as jest.Mock).mockReturnValue(true);
+});
+
+afterEach(() => {
+  (isFeatureEnabled as jest.Mock).mockReset();
+});
+
+test('renders the chart title', () => {
+  renderCard(createMemoryHistory());
+  expect(screen.getByText('Sample Chart')).toBeInTheDocument();
+});
+
+test('clicking the thumbnail navigates to the chart exactly once', () => {
+  // The cover is a router link and the whole card is clickable, so a click on
+  // the cover used to be handled twice and pushed two identical entries. That
+  // left the Back button popping the duplicate instead of returning the user to
+  // the page they came from.
+  const history = createMemoryHistory({
+    initialEntries: ['/superset/welcome/'],
+  });
+  renderCard(history);
+  const navigations = recordNavigations(history);
+
+  fireEvent.click(screen.getByRole('link'));
+
+  expect(navigations).toEqual(['PUSH /explore/?slice_id=1']);
+});
+
+test('clicking the card outside the thumbnail navigates to the chart', () => {
+  const history = createMemoryHistory({
+    initialEntries: ['/superset/welcome/'],
+  });
+  renderCard(history);
+  const navigations = recordNavigations(history);
+
+  fireEvent.click(screen.getByText('Sample Chart'));
+
+  expect(navigations).toEqual(['PUSH /explore/?slice_id=1']);
+});
@@ -32,7 +32,11 @@ import {
 import Chart from 'src/types/Chart';
 import { SubjectPile } from 'src/features/subjects/SubjectPile';
 import { KebabMenuButton } from 'src/components';
-import { handleChartDelete, CardStyles } from 'src/views/CRUD/utils';
+import {
+  handleChartDelete,
+  CardStyles,
+  isNavigationHandledByLink,
+} from 'src/views/CRUD/utils';
 import { assetUrl } from 'src/utils/assetUrl';
 import type { ListViewFetchDataConfig as FetchDataConfig } from 'src/components';
 import { TableTab } from 'src/views/CRUD/types';
@@ -208,8 +212,12 @@ export default function ChartCard({

  return (
    <CardStyles
-      onClick={() => {
-        if (!bulkSelectEnabled && chart.url) {
+      onClick={event => {
+        if (
+          !bulkSelectEnabled &&
+          chart.url &&
+          !isNavigationHandledByLink(event)
+        ) {
          history.push(chart.url);
        }
      }}
@@ -17,10 +17,16 @@
 * under the License.
 */

-import { MemoryRouter } from 'react-router-dom';
+import { createMemoryHistory, type Update } from 'history';
+import { MemoryRouter, Router } from 'react-router-dom';
 import { isFeatureEnabled } from '@superset-ui/core';

-import { render, screen } from 'spec/helpers/testing-library';
+import {
+  render,
+  screen,
+  fireEvent,
+  within,
+} from 'spec/helpers/testing-library';
 import { SubjectType } from 'src/types/Subject';

 import DashboardCard from './DashboardCard';
@@ -63,6 +69,10 @@ afterAll(() => {
  mockedIsFeatureEnabled.mockClear();
 });

+afterEach(() => {
+  jest.restoreAllMocks();
+});
+
 beforeEach(() => {
  render(
    <MemoryRouter>
@@ -101,6 +111,43 @@ test('Renders the modified date', () => {
  expect(modifiedDateElement).toBeInTheDocument();
 });

+test('clicking the thumbnail navigates to the dashboard exactly once', () => {
+  // The cover is a router link and the whole card is clickable, so a click on
+  // the cover used to be handled twice and pushed two identical entries, which
+  // left the Back button popping the duplicate rather than returning the user
+  // to the page they came from.
+  jest.spyOn(global, 'fetch').mockResolvedValue({
+    blob: () => Promise.resolve(new Blob([''], { type: 'image/png' })),
+  } as Response);
+  const history = createMemoryHistory({
+    initialEntries: ['/superset/welcome/'],
+  });
+  const { container } = render(
+    <Router history={history}>
+      <DashboardCard
+        dashboard={mockDashboard}
+        hasPerm={mockHasPerm}
+        bulkSelectEnabled={false}
+        loading={false}
+        showThumbnails
+        openDashboardEditModal={mockOpenDashboardEditModal}
+        saveFavoriteStatus={mockSaveFavoriteStatus}
+        favoriteStatus={false}
+        handleBulkDashboardExport={mockHandleBulkDashboardExport}
+        onDelete={mockOnDelete}
+      />
+    </Router>,
+  );
+  const navigations: string[] = [];
+  history.listen(({ action, location }: Update) =>
+    navigations.push(`${action} ${location.pathname}`),
+  );
+
+  fireEvent.click(within(container).getByRole('link'));
+
+  expect(navigations).toEqual(['PUSH /dashboard/1']);
+});
+
 describe('thumbnail URL construction', () => {
  let fetchSpy: jest.SpyInstance;

@@ -20,7 +20,7 @@ import { Link, useHistory } from 'react-router-dom';
 import { t } from '@apache-superset/core/translation';
 import { isFeatureEnabled, FeatureFlag } from '@superset-ui/core';
 import { css } from '@apache-superset/core/theme';
-import { CardStyles } from 'src/views/CRUD/utils';
+import { CardStyles, isNavigationHandledByLink } from 'src/views/CRUD/utils';
 import {
  FaveStar,
  Icons,
@@ -169,8 +169,8 @@ function DashboardCard({

  return (
    <CardStyles
-      onClick={() => {
-        if (!bulkSelectEnabled) {
+      onClick={event => {
+        if (!bulkSelectEnabled && !isNavigationHandledByLink(event)) {
          history.push(dashboard.url);
        }
      }}
@@ -31,7 +31,12 @@ import {
 import { Group, Role, UserObject } from 'src/pages/UsersList/types';
 import { Actions } from 'src/constants';
 import { BaseUserListModalProps, FormValues } from './types';
-import { createUser, updateUser, atLeastOneRoleOrGroup } from './utils';
+import {
+  createUser,
+  updateUser,
+  atLeastOneRoleOrGroup,
+  handleUserError,
+} from './utils';

 export interface UserModalProps extends BaseUserListModalProps {
  roles: Role[];
@@ -51,36 +56,6 @@ function UserListModal({
 }: UserModalProps) {
  const { addDangerToast, addSuccessToast } = useToasts();
  const handleFormSubmit = async (values: FormValues) => {
-    const handleError = async (
-      err: any,
-      action: Actions.CREATE | Actions.UPDATE,
-    ) => {
-      let errorMessage =
-        action === Actions.CREATE
-          ? t('There was an error creating the user. Please, try again.')
-          : t('There was an error updating the user. Please, try again.');
-
-      if (err.status === 422) {
-        const errorData = await err.json();
-        const detail = errorData?.message || '';
-
-        if (detail.includes('duplicate key value')) {
-          if (detail.includes('ab_user_username_key')) {
-            errorMessage = t(
-              'This username is already taken. Please choose another one.',
-            );
-          } else if (detail.includes('ab_user_email_key')) {
-            errorMessage = t(
-              'This email is already associated with an account. Please choose another one.',
-            );
-          }
-        }
-      }
-
-      addDangerToast(errorMessage);
-      throw err;
-    };
-
    if (isEditMode) {
      if (!user) {
        throw new Error('User is required in edit mode');
@@ -89,14 +64,14 @@ function UserListModal({
        await updateUser(user.id, values);
        addSuccessToast(t('The user has been updated successfully.'));
      } catch (err) {
-        await handleError(err, Actions.UPDATE);
+        await handleUserError(err as Response, Actions.UPDATE, addDangerToast);
      }
    } else {
      try {
        await createUser(values);
        addSuccessToast(t('The user has been created successfully.'));
      } catch (err) {
-        await handleError(err, Actions.CREATE);
+        await handleUserError(err as Response, Actions.CREATE, addDangerToast);
      }
    }
  };
@@ -0,0 +1,99 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import { Actions } from 'src/constants';
+import { handleUserError } from './utils';
+
+test('shows the password validation message from a 400 response', async () => {
+  const error = new Response(
+    JSON.stringify({
+      message: {
+        password: ['Password must be at least 8 characters long.'],
+      },
+    }),
+    { status: 400 },
+  );
+  const addDangerToast = jest.fn();
+
+  await expect(
+    handleUserError(error, Actions.CREATE, addDangerToast),
+  ).rejects.toBe(error);
+  expect(addDangerToast).toHaveBeenCalledWith(
+    'Password must be at least 8 characters long.',
+  );
+});
+
+test('shows a plain string message from a 400 response', async () => {
+  const error = new Response(
+    JSON.stringify({ message: 'User must have at least one role or group!' }),
+    { status: 400 },
+  );
+  const addDangerToast = jest.fn();
+
+  await expect(
+    handleUserError(error, Actions.UPDATE, addDangerToast),
+  ).rejects.toBe(error);
+  expect(addDangerToast).toHaveBeenCalledWith(
+    'User must have at least one role or group!',
+  );
+});
+
+test('keeps the duplicate username message for a 422 response', async () => {
+  const error = new Response(
+    JSON.stringify({
+      message:
+        'duplicate key value violates unique constraint "ab_user_username_key"',
+    }),
+    { status: 422 },
+  );
+  const addDangerToast = jest.fn();
+
+  await expect(
+    handleUserError(error, Actions.CREATE, addDangerToast),
+  ).rejects.toBe(error);
+  expect(addDangerToast).toHaveBeenCalledWith(
+    'This username is already taken. Please choose another one.',
+  );
+});
+
+test('shows the generic message when a 422 response has no message', async () => {
+  const error = new Response(JSON.stringify({ foo: 'bar' }), { status: 422 });
+  const addDangerToast = jest.fn();
+
+  await expect(
+    handleUserError(error, Actions.CREATE, addDangerToast),
+  ).rejects.toBe(error);
+  expect(addDangerToast).toHaveBeenCalledWith(
+    'There was an error creating the user. Please, try again.',
+  );
+});
+
+test('shows the generic message when a 400 response is not JSON', async () => {
+  const error = new Response('<html>Bad request</html>', {
+    status: 400,
+    headers: { 'Content-Type': 'text/html' },
+  });
+  const addDangerToast = jest.fn();
+
+  await expect(
+    handleUserError(error, Actions.CREATE, addDangerToast),
+  ).rejects.toBe(error);
+  expect(addDangerToast).toHaveBeenCalledWith(
+    'There was an error creating the user. Please, try again.',
+  );
+});
@@ -17,10 +17,49 @@
 * under the License.
 */
 import { t } from '@apache-superset/core/translation';
-import { SupersetClient } from '@superset-ui/core';
+import { getClientErrorObject, SupersetClient } from '@superset-ui/core';
 import { SelectOption } from 'src/components/ListView';
+import { Actions } from 'src/constants';
 import { FormValues } from './types';

+type AddDangerToast = (message: string) => void;
+
+export const handleUserError = async (
+  err: Response,
+  action: Actions.CREATE | Actions.UPDATE,
+  addDangerToast: AddDangerToast,
+): Promise<never> => {
+  let errorMessage =
+    action === Actions.CREATE
+      ? t('There was an error creating the user. Please, try again.')
+      : t('There was an error updating the user. Please, try again.');
+
+  if (err.status === 400 || err.status === 422) {
+    const errorData = await getClientErrorObject(err);
+    const message: unknown = errorData.message;
+
+    if (err.status === 400 && message && errorData.error) {
+      errorMessage = errorData.error;
+    } else if (
+      err.status === 422 &&
+      errorData.error?.includes('duplicate key value')
+    ) {
+      if (errorData.error.includes('ab_user_username_key')) {
+        errorMessage = t(
+          'This username is already taken. Please choose another one.',
+        );
+      } else if (errorData.error.includes('ab_user_email_key')) {
+        errorMessage = t(
+          'This email is already associated with an account. Please choose another one.',
+        );
+      }
+    }
+  }
+
+  addDangerToast(errorMessage);
+  throw err;
+};
+
 export const createUser = async (values: FormValues) => {
  const { confirmPassword: _confirmPassword, ...payload } = values;
  if (payload.active == null) {
@@ -141,6 +141,7 @@ const renderArchivedList = (withStore = store) =>
 beforeEach(() => {
  fetchMock.removeRoutes();
  fetchMock.clearHistory();
+  mockAddDangerToast.mockClear();
 });

 test('renders archived rows with Name and Type columns', async () => {
@@ -204,6 +205,31 @@ test('restore failure surfaces an error and leaves the row in place', async () =
  expect(screen.getByText('Deleted Chart One')).toBeInTheDocument();
 });

+test('restoring an already-restored row (404) surfaces an error without crashing', async () => {
+  // Simulates another actor having restored the object out from under this
+  // view: the server answers 404 to the now-stale row's restore request.
+  mockRoutes(404);
+  renderArchivedList();
+  await screen.findByTestId('archived-list-view');
+
+  const restoreButtons = await screen.findAllByTestId('archived-row-restore');
+  fireEvent.click(restoreButtons[0]);
+
+  await waitFor(() => {
+    expect(fetchMock.callHistory.calls(/chart\/uuid-1\/restore/)).toHaveLength(
+      1,
+    );
+  });
+  await waitFor(() => {
+    expect(mockAddDangerToast).toHaveBeenCalledWith(
+      expect.stringContaining('Failed to restore Deleted Chart One'),
+    );
+  });
+  expect(mockAddDangerToast).toHaveBeenCalledTimes(1);
+  // The page is still functional -- the list view did not crash.
+  expect(screen.getByTestId('archived-list-view')).toBeInTheDocument();
+});
+
 test('row actions are keyboard-operable (Enter restores)', async () => {
  mockRoutes();
  renderArchivedList();
@@ -273,6 +299,45 @@ test('name search refetches with a contains filter on the name field', async ()
  });
 });

+test('a search that matches nothing shows the empty-state and no restore actions', async () => {
+  // The initial load returns real rows; only the search-triggered request
+  // answers empty. If the list were empty from the start, this test could
+  // pass even if the search never fired a request at all -- so the request
+  // itself is asserted below before trusting the rendered empty state.
+  fetchMock.get(infoEndpoint, { permissions: ['can_read', 'can_write'] });
+  fetchMock.getOnce(listEndpoint, {
+    result: mockCharts,
+    count: mockCharts.length,
+  });
+  fetchMock.get(listEndpoint, { result: [], count: 0 });
+  renderArchivedList();
+  await screen.findByText('Deleted Chart One');
+
+  const searchInput = screen.getByPlaceholderText(/type a value/i);
+  fireEvent.change(searchInput, { target: { value: 'e2e_nonexistent' } });
+  fireEvent.keyDown(searchInput, { key: 'Enter', keyCode: 13 });
+
+  await waitFor(() => {
+    const hit = fetchMock.callHistory
+      .calls(/chart\/\?q/)
+      .find(call =>
+        call.url.includes(
+          '(col:slice_name,opr:chart_all_text,value:e2e_nonexistent)',
+        ),
+      );
+    expect(hit).toBeTruthy();
+  });
+
+  // ListView renders this hardcoded copy whenever a filter is active and the
+  // result set is empty, overriding the page's own `emptyState` prop
+  // entirely (see ListView.tsx) -- so this is the actual rendered text, not
+  // the page's "No archived items" default.
+  expect(
+    await screen.findByText('No results match your filter criteria'),
+  ).toBeInTheDocument();
+  expect(screen.queryAllByTestId('archived-row-restore')).toHaveLength(0);
+});
+
 test('switching Type fetches the newly selected resource with its deleted-state filter', async () => {
  mockRoutes();
  renderArchivedList();
@@ -239,6 +239,40 @@ describe('ChartList', () => {
      screen.getByRole('button', { name: 'Bulk select' }),
    ).toBeInTheDocument();
  });
+
+  test('archive (soft-delete) confirmation reflects recoverable semantics, not delete', async () => {
+    // With SOFT_DELETE on, the same delete affordance becomes reversible: the
+    // dialog reads "Archive", not "Delete", and drops the "type DELETE to
+    // confirm" gate -- that friction is reserved for the permanent purge in
+    // the Recently Archived view, not this one.
+    (
+      isFeatureEnabled as jest.MockedFunction<typeof isFeatureEnabled>
+    ).mockImplementation((feature: string) => feature === 'SOFT_DELETE');
+
+    // isUserEditorOrAdmin requires `username` + `permissions` to recognize an
+    // Admin role (see src/types/bootstrapTypes.ts's isUserWithPermissionsAndRoles);
+    // mockUser lacks both, so row actions would otherwise render disabled.
+    const adminUser = { ...mockUser, username: 'admin', permissions: {} };
+    renderChartList(adminUser);
+    await screen.findByTestId('chart-list-view');
+
+    const deleteButtons = await screen.findAllByTestId('chart-row-delete');
+    fireEvent.click(deleteButtons[0]);
+
+    const dialog = await screen.findByRole('dialog');
+    expect(
+      within(dialog).getByText(`Archive ${mockCharts[0].slice_name}?`),
+    ).toBeInTheDocument();
+    expect(
+      within(dialog).getByRole('button', { name: 'Archive' }),
+    ).toBeInTheDocument();
+    expect(
+      within(dialog).getByText(/moved to Recently Archived/i),
+    ).toBeInTheDocument();
+    expect(within(dialog).getByText(/recover it there/i)).toBeInTheDocument();
+
+    expect(screen.queryByTestId('delete-modal-input')).not.toBeInTheDocument();
+  });
 });

 // eslint-disable-next-line no-restricted-globals -- TODO: Migrate from describe blocks
@@ -1157,6 +1157,34 @@ test('dataset links use internal routing when PREVENT_UNSAFE_DEFAULT_URLS_ON_DAT
  });
 });

+test('legacy dashboard default URLs use the registered client route', async () => {
+  const dataset = {
+    ...mockDatasets[0],
+    explore_url: '/superset/dashboard/123/?standalone=1#section',
+  };
+  mockDatasetListEndpoints({ result: [dataset], count: 1 });
+
+  renderDatasetList(
+    mockAdminUser,
+    {},
+    {
+      common: {
+        conf: {
+          PREVENT_UNSAFE_DEFAULT_URLS_ON_DATASET: true,
+        },
+      },
+    },
+  );
+
+  const datasetLink = await screen.findByRole('link', {
+    name: dataset.table_name,
+  });
+  expect(datasetLink).toHaveAttribute(
+    'href',
+    '/dashboard/123/?standalone=1#section',
+  );
+});
+
 // Note: These delete error tests verify that the modal doesn't open when fetching
 // related_objects fails. The component's openDatasetDeleteModal error handler
 // (index.tsx:262-268) returns a string but doesn't call addDangerToast(), so no
@@ -54,10 +54,18 @@ import {

 const APP_ROOT = '/superset';

-const renderUnderSubdirectory = () => {
+const renderUnderSubdirectory = (preventUnsafeDefaultUrls = false) => {
+  const defaultState = createDefaultStoreState(mockAdminUser);
  const store = createMockStore({
-    ...createDefaultStoreState(mockAdminUser),
+    ...defaultState,
    user: mockAdminUser,
+    common: {
+      ...defaultState.common,
+      conf: {
+        ...defaultState.common?.conf,
+        PREVENT_UNSAFE_DEFAULT_URLS_ON_DATASET: preventUnsafeDefaultUrls,
+      },
+    },
  });
  return render(
    <Provider store={store}>
@@ -115,6 +123,31 @@ test('explore link is single-prefixed under a subdirectory deployment', async ()
  expect(exploreLink.getAttribute('href')).not.toContain('/superset/superset');
 });

+test('legacy dashboard default URL uses the router basename once', async () => {
+  // A subdirectory user pastes the full browser path, so the saved value
+  // carries both the application root and the legacy `/superset` prefix.
+  // stripAppRoot removes the root and the legacy normalization removes the
+  // prefix, leaving the basename to re-add the root exactly once.
+  const dataset = {
+    ...mockDatasets[0],
+    explore_url: `${APP_ROOT}/superset/dashboard/123/?standalone=1#section`,
+  };
+  mockDatasetListEndpoints({ result: [dataset], count: 1 });
+
+  renderUnderSubdirectory(true);
+
+  const dashboardLink = await screen.findByRole('link', {
+    name: dataset.table_name,
+  });
+  expect(dashboardLink).toHaveAttribute(
+    'href',
+    `${APP_ROOT}/dashboard/123/?standalone=1#section`,
+  );
+  expect(dashboardLink.getAttribute('href')).not.toContain(
+    '/superset/superset',
+  );
+});
+
 test('external default_endpoint passes through unprefixed', async () => {
  const dataset = {
    ...mockDatasets[0],
@@ -87,7 +87,6 @@ import withToasts from 'src/components/MessageToasts/withToasts';
 import { Icons } from '@superset-ui/core/components/Icons';
 import WarningIconWithTooltip from '@superset-ui/core/components/WarningIconWithTooltip';
 import { isUserEditorOrAdmin } from 'src/dashboard/util/permissionUtils';
-
 import {
  PAGE_SIZE,
  SORT_BY,
@@ -114,6 +113,10 @@ import type {
 } from 'src/types/bootstrapTypes';
 import type User from 'src/types/User';

+// Keep saved Default URLs compatible with the prefix-free SPA route.
+const normalizeLegacyDashboardUrl = (url: string) =>
+  url.replace(/^\/superset(?=\/dashboard(?:\/|$))/, '');
+
 const SEMANTIC_LAYERS_FLAG = 'SEMANTIC_LAYERS' as FeatureFlag;
 type DatasetExtra = {
  certification?: {
@@ -722,7 +725,9 @@ const DatasetList: FunctionComponent<DatasetListProps> = ({
          // Router basename, which re-prefixes the root — so strip it here to
          // avoid a doubled `/superset/superset/...`. External
          // `default_endpoint` URLs pass through unchanged.
-          const exploreTo = stripAppRoot(exploreURL);
+          const exploreTo = normalizeLegacyDashboardUrl(
+            stripAppRoot(exploreURL),
+          );
          let titleLink: JSX.Element;
          if (PREVENT_UNSAFE_DEFAULT_URLS_ON_DATASET) {
            titleLink = (
@@ -17,7 +17,7 @@
 * under the License.
 */
 import thunk from 'redux-thunk';
-import configureStore from 'redux-mock-store';
+import configureStore, { MockStoreEnhanced } from 'redux-mock-store';
 import fetchMock from 'fetch-mock';
 import {
  render,
@@ -29,6 +29,7 @@ import { MemoryRouter, useLocation } from 'react-router-dom';
 import { QueryParamProvider } from 'use-query-params';
 import { ReactRouter5Adapter } from 'use-query-params/adapters/react-router-5';
 import * as getBootstrapData from 'src/utils/getBootstrapData';
+import { ADD_TOAST } from 'src/components/MessageToasts/actions';
 import SavedQueryList from '.';

 // Renders the current router pathname+search so tests can assert navigation.
@@ -92,8 +93,15 @@ fetchMock.post(permalinkEndpoint, {

 fetchMock.delete(queryEndpoint, {}, { name: queryEndpoint });

-const renderList = (props = {}, storeOverrides = {}) =>
-  render(
+const renderList = (props = {}, storeOverrides = {}) => {
+  const store = configureStore([thunk])({
+    user: {
+      ...mockUser,
+      roles: { Admin: [['can_write', 'SavedQuery']] },
+    },
+    ...storeOverrides,
+  });
+  const utils = render(
    <MemoryRouter>
      <QueryParamProvider adapter={ReactRouter5Adapter}>
        <SavedQueryList user={mockUser} {...props} />
@@ -102,15 +110,19 @@ const renderList = (props = {}, storeOverrides = {}) =>
    </MemoryRouter>,
    {
      useRedux: true,
-      store: configureStore([thunk])({
-        user: {
-          ...mockUser,
-          roles: { Admin: [['can_write', 'SavedQuery']] },
-        },
-        ...storeOverrides,
-      }),
+      store,
    },
  );
+  return { ...utils, store };
+};
+
+// Finds any dispatched toast action whose text matches, regardless of
+// toast type -- the regression this guards against could resurface the
+// copy confirmation as any toast variant, not just a success toast.
+const findToastAction = (store: MockStoreEnhanced<unknown>, text: string) =>
+  store
+    .getActions()
+    .find(action => action.type === ADD_TOAST && action.payload?.text === text);

 // eslint-disable-next-line no-restricted-globals -- TODO: Migrate from describe blocks
 describe('SavedQueryList', () => {
@@ -287,4 +299,113 @@ describe('SavedQueryList', () => {
      applicationRootSpy.mockRestore();
    }
  });
+
+  test('opens a saved query in SQL Lab without copying a link', async () => {
+    // A prior test in this suite permanently swaps this route to read-only
+    // permissions, which would hide the edit action this test depends on.
+    fetchMock.removeRoute(queriesInfoEndpoint);
+    fetchMock.get(
+      queriesInfoEndpoint,
+      { permissions: ['can_write', 'can_read', 'can_export'] },
+      { name: queriesInfoEndpoint },
+    );
+
+    const clipboardCallback = jest.fn();
+    const originalClipboard = { ...global.navigator.clipboard };
+    // @ts-expect-error -- overriding a read-only browser API for the test
+    global.navigator.clipboard = {
+      write: clipboardCallback,
+      writeText: clipboardCallback,
+    };
+
+    try {
+      const { store } = renderList();
+      await screen.findByTestId('saved_query-list-view');
+
+      const editButtons = await screen.findAllByTestId('edit-action');
+      fireEvent.click(editButtons[0]);
+
+      await waitFor(() => {
+        const location = screen.getByTestId('location-display').textContent;
+        expect(location).toMatch(/^\/sqllab\?savedQueryId=\d+$/);
+      });
+
+      expect(clipboardCallback).not.toHaveBeenCalled();
+      expect(findToastAction(store, 'Link Copied!')).toBeUndefined();
+    } finally {
+      // @ts-expect-error -- restoring the read-only browser API after the test
+      global.navigator.clipboard = originalClipboard;
+    }
+  });
+
+  test('opens a saved query from the preview modal without copying a link', async () => {
+    const savedQueryDetailEndpoint = /\/api\/v1\/saved_query\/\d+$/;
+    fetchMock.get(
+      savedQueryDetailEndpoint,
+      { result: mockQueries[0] },
+      { name: 'saved-query-detail' },
+    );
+
+    const clipboardCallback = jest.fn();
+    const originalClipboard = { ...global.navigator.clipboard };
+    // @ts-expect-error -- overriding a read-only browser API for the test
+    global.navigator.clipboard = {
+      write: clipboardCallback,
+      writeText: clipboardCallback,
+    };
+
+    try {
+      const { store } = renderList();
+      await screen.findByTestId('saved_query-list-view');
+
+      const previewButtons = await screen.findAllByTestId('preview-action');
+      fireEvent.click(previewButtons[0]);
+
+      const openInSqlLabButton = await screen.findByTestId('open-in-sql-lab');
+      fireEvent.click(openInSqlLabButton);
+
+      await waitFor(() => {
+        const location = screen.getByTestId('location-display').textContent;
+        expect(location).toMatch(/^\/sqllab\?savedQueryId=\d+$/);
+      });
+
+      expect(clipboardCallback).not.toHaveBeenCalled();
+      expect(findToastAction(store, 'Link Copied!')).toBeUndefined();
+    } finally {
+      // @ts-expect-error -- restoring the read-only browser API after the test
+      global.navigator.clipboard = originalClipboard;
+      fetchMock.removeRoute('saved-query-detail');
+    }
+  });
+
+  test('copies a permalink to the clipboard when using the copy action', async () => {
+    const clipboardCallback = jest.fn();
+    const originalClipboard = { ...global.navigator.clipboard };
+    // @ts-expect-error -- overriding a read-only browser API for the test
+    global.navigator.clipboard = {
+      write: clipboardCallback,
+      writeText: clipboardCallback,
+    };
+
+    try {
+      const { store } = renderList();
+      await screen.findByTestId('saved_query-list-view');
+
+      const copyButtons = await screen.findAllByTestId('copy-action');
+      fireEvent.click(copyButtons[0]);
+
+      await waitFor(() => {
+        expect(clipboardCallback).toHaveBeenCalledWith(
+          'http://localhost/permalink',
+        );
+      });
+
+      await waitFor(() => {
+        expect(findToastAction(store, 'Link Copied!')).toBeDefined();
+      });
+    } finally {
+      // @ts-expect-error -- restoring the read-only browser API after the test
+      global.navigator.clipboard = originalClipboard;
+    }
+  });
 });
@@ -61,12 +61,11 @@ import { QueryObjectColumns, SavedQueryObject } from 'src/views/CRUD/types';
 import { TagTypeEnum } from 'src/components/Tag/TagType';
 import { loadTags } from 'src/components/Tag/utils';
 import { Icons } from '@superset-ui/core/components/Icons';
-import copyTextToClipboard from 'src/utils/copy';
 import type User from 'src/types/User';
 import { UserWithPermissionsAndRoles } from 'src/types/bootstrapTypes';
 import SavedQueryPreviewModal from 'src/features/queries/SavedQueryPreviewModal';
 import { findPermission } from 'src/utils/findPermission';
-import { getShareableUrl, openInNewTab } from 'src/utils/navigationUtils';
+import { openInNewTab } from 'src/utils/navigationUtils';

 const PAGE_SIZE = 25;
 const PASSWORDS_NEEDED_MESSAGE = t(
@@ -245,13 +244,6 @@ function SavedQueryList({
  // Action methods
  const openInSqlLab = (id: number, openInNewWindow: boolean) => {
    const path = `/sqllab?savedQueryId=${id}`;
-    copyTextToClipboard(() => Promise.resolve(getShareableUrl(path)))
-      .then(() => {
-        addSuccessToast(t('Link Copied!'));
-      })
-      .catch(() => {
-        addDangerToast(t('Sorry, your browser does not support copying.'));
-      });
    if (openInNewWindow) {
      openInNewTab(path);
    } else {
@@ -263,6 +255,7 @@ function SavedQueryList({

  const copyQueryLink = useCallback(
    async (savedQuery: SavedQueryObject) => {
+      let permalink: string;
      try {
        const payload = {
          dbId: savedQuery.db_id,
@@ -280,12 +273,19 @@ function SavedQueryList({
          body: JSON.stringify(payload),
        });

-        const { url: permalink } = response.json;
+        ({ url: permalink } = response.json);
+      } catch (error) {
+        addDangerToast(t('There was an error generating the permalink.'));
+        return;
+      }

+      try {
        await navigator.clipboard.writeText(permalink);
        addSuccessToast(t('Link Copied!'));
      } catch (error) {
-        addDangerToast(t('There was an error generating the permalink.'));
+        addDangerToast(
+          t('The link was generated but could not be copied: %s', permalink),
+        );
      }
    },
    [addDangerToast, addSuccessToast],
@@ -28,6 +28,7 @@ import {
  getSSHPrivateKeyPasswordsNeeded,
  hasTerminalValidation,
  isAlreadyExists,
+  isNavigationHandledByLink,
  isNeedsEncryptedExtraField,
  isNeedsPassword,
  isNeedsSSHPassword,
@@ -259,6 +260,37 @@ const encryptedExtraFieldNoLabelErrors = {
  ],
 };

+test('identifies clicks a link has already navigated', () => {
+  document.body.innerHTML = `
+    <div id="card">
+      <a id="cover" href="/explore/?slice_id=1"><img id="thumbnail" alt="" /></a>
+      <span id="title">Chart</span>
+      <a id="anchorWithoutHref"><span id="inertLabel">Label</span></a>
+    </div>
+  `;
+  const target = (id: string) => ({ target: document.getElementById(id) });
+
+  // the link itself and anything nested inside it
+  expect(isNavigationHandledByLink(target('cover'))).toBe(true);
+  expect(isNavigationHandledByLink(target('thumbnail'))).toBe(true);
+
+  // the rest of the card still navigates through its own click handler
+  expect(isNavigationHandledByLink(target('title'))).toBe(false);
+  expect(isNavigationHandledByLink(target('card'))).toBe(false);
+
+  // an anchor with no href does not navigate, so it must not suppress the card
+  expect(isNavigationHandledByLink(target('anchorWithoutHref'))).toBe(false);
+  expect(isNavigationHandledByLink(target('inertLabel'))).toBe(false);
+
+  // targets that are not elements
+  expect(isNavigationHandledByLink({ target: null })).toBe(false);
+  expect(
+    isNavigationHandledByLink({ target: document.createTextNode('text') }),
+  ).toBe(false);
+
+  document.body.innerHTML = '';
+});
+
 test('identifies error payloads indicating that password is needed', () => {
  let needsPassword;

@@ -483,6 +483,18 @@ export const CardStyles = styled.div`
  }
 `;

+/**
+ * Cards make their whole surface clickable, but `ListViewCard` also renders its
+ * cover as a router `<Link>`. A click on the cover is therefore handled twice —
+ * once by the link and once by the card wrapper — pushing two identical history
+ * entries for a single click, so the Back button only pops the duplicate and
+ * leaves the user on the page they tried to leave. Let the link win in that case.
+ */
+export const isNavigationHandledByLink = (event: {
+  target: EventTarget | null;
+}): boolean =>
+  Boolean((event.target as HTMLElement | null)?.closest?.('a[href]'));
+
 export /* eslint-disable no-underscore-dangle */
 const isNeedsPassword = (payload: any) =>
  typeof payload === 'object' &&
@@ -28,7 +28,7 @@
        "@typescript-eslint/parser": "^8.67.0",
        "eslint": "^10.8.1",
        "eslint-config-prettier": "^10.1.8",
-        "globals": "^17.9.0",
+        "globals": "^17.11.0",
        "oxfmt": "^0.63.0",
        "tscw-config": "^1.1.2",
        "typescript": "^6.0.3",
@@ -2053,9 +2053,9 @@
      }
    },
    "node_modules/globals": {
-      "version": "17.9.0",
-      "resolved": "https://registry.npmjs.org/globals/-/globals-17.9.0.tgz",
-      "integrity": "sha512-m/MvAW61QVU5VDNF1Vj8axt016h8w7L5TU1e9zlab7XIttAT2YAlCwl75K1fOqvMM9apmD7lbCIRhpfkhmxhCg==",
+      "version": "17.11.0",
+      "resolved": "https://registry.npmjs.org/globals/-/globals-17.11.0.tgz",
+      "integrity": "sha512-Z2I8hM+PbJDXQDq3Icgpzv+mPdwr68iZUU9d5WW4FuXfDUQfkZaZuvjMv42/5crNyw154+9+VWXbYrUgDXbxNw==",
      "dev": true,
      "license": "MIT",
      "engines": {
@@ -36,7 +36,7 @@
    "@typescript-eslint/parser": "^8.67.0",
    "eslint": "^10.8.1",
    "eslint-config-prettier": "^10.1.8",
-    "globals": "^17.9.0",
+    "globals": "^17.11.0",
    "oxfmt": "^0.63.0",
    "tscw-config": "^1.1.2",
    "typescript": "^6.0.3",
@@ -238,24 +238,17 @@ class AsyncQueryManager:
        secret so the value is unguessable to outside callers.
        """
        token = guest_user.guest_token
-        # ``iat`` uniquely identifies a guest token issuance, so it provides
-        # per-token isolation while remaining stable across the lifetime of a
-        # single embedded session.
-        message = json.dumps(
-            {
-                "user": token.get("user"),
-                "resources": token.get("resources"),
-                "iat": token.get("iat"),
-                "exp": token.get("exp"),
-                "aud": token.get("aud"),
-                # ``datasets`` and ``rev`` are optional scope claims, so tokens
-                # that differ only in their dataset allowlist or revocation
-                # version still derive distinct channels.
-                "datasets": token.get("datasets"),
-                "rev": token.get("rev"),
-            },
-            sort_keys=True,
-        ).encode("utf-8")
+        # HMAC over the complete claim set so that tokens differing in *any*
+        # claim derive distinct channels. Enumerating claims here is unsafe:
+        # omitting one that scopes the session -- most importantly
+        # ``rls_rules``, the primary tenant-isolation mechanism for embedded
+        # dashboards -- would let two tenants' tokens minted in the same
+        # second with identical user/resources collide on one channel,
+        # exposing job events (including error strings) and cross-tenant
+        # cancellation. ``iat`` uniquely identifies a token issuance, so it
+        # provides per-token isolation while remaining stable across the
+        # lifetime of a single embedded session.
+        message = json.dumps(token, sort_keys=True).encode("utf-8")
        digest = hmac.new(
            self._jwt_secret.encode("utf-8"), message, hashlib.sha256
        ).hexdigest()
@@ -413,6 +413,12 @@ class ChartDataRestApi(ChartRestApi):
            # for async queries with jinja context
            set_form_data(cached_data)
            query_context = self._create_query_context_from_form(cached_data)
+            # Mark as a cache replay so _sql_filters_modified skips the
+            # SQL-extras check.  The original request already passed the
+            # full security check, cache keys are opaque SHA-256 hashes
+            # (unguessable), and force_cached only serves pre-computed
+            # data — no new SQL is executed.
+            query_context._from_cache_replay = True
            command = ChartDataCommand(query_context)
            command.validate()
        except ChartDataCacheLoadError:
@@ -17,12 +17,19 @@
 # pylint: disable=too-many-lines
 from __future__ import annotations

-import inspect
 from typing import Any, TYPE_CHECKING

 from flask import current_app
 from flask_babel import gettext as _
-from marshmallow import EXCLUDE, fields, post_load, Schema, validate
+from marshmallow import (
+    EXCLUDE,
+    fields,
+    post_load,
+    Schema,
+    validate,
+    validates,
+    ValidationError,
+)
 from marshmallow.validate import Length, Range
 from marshmallow_union import Union

@@ -35,6 +42,7 @@ from superset.utils import pandas_postprocessing, schema as utils
 from superset.utils.core import (
    AnnotationType,
    DatasourceType,
+    EXTENDED_METRIC_AGGREGATES,
    FilterOperator,
    PostProcessingBoxplotWhiskerType,
    PostProcessingContributionOrientation,
@@ -427,7 +435,15 @@ class ChartDataAdhocMetricSchema(Schema):
            "Only required for simple expression types."
        },
        validate=validate.OneOf(
-            choices=("AVG", "COUNT", "COUNT_DISTINCT", "MAX", "MIN", "SUM")
+            choices=(
+                "AVG",
+                "COUNT",
+                "COUNT_DISTINCT",
+                "MAX",
+                "MIN",
+                "SUM",
+                *sorted(EXTENDED_METRIC_AGGREGATES),
+            )
        ),
    )
    column = fields.Nested(ChartDataColumnSchema)
@@ -972,21 +988,37 @@ class ChartDataGeodeticParseOptionsSchema(


 class ChartDataPostProcessingOperationSchema(Schema):
+    _builtin_ops = pandas_postprocessing.__all__
+
    operation = fields.String(
        metadata={
            "description": "Post processing operation type",
            "example": "aggregate",
        },
        required=True,
-        validate=validate.OneOf(
-            choices=[
-                name
-                for name, value in inspect.getmembers(
-                    pandas_postprocessing, inspect.isfunction
-                )
-            ]
-        ),
    )
+
+    @validates("operation")
+    def validate_operation(self, value: str, **kwargs: object) -> None:
+        # Built-in operations validate without reading the config, so schemas can
+        # still be loaded outside of an app context.
+        if value in self._builtin_ops:
+            return
+
+        try:
+            extra = current_app.config.get("EXTRA_PANDAS_POSTPROCESSING_OPS", [])
+        except RuntimeError:
+            # Outside app context, only built-in operations are known
+            extra = []
+
+        allowed = set(self._builtin_ops) | set(
+            pandas_postprocessing.build_extra_ops_map(extra)
+        )
+        if value not in allowed:
+            raise ValidationError(
+                f"Must be one of: {sorted(allowed)!r}.",
+            )
+
    options = fields.Dict(
        metadata={
            "description": "Options specifying how to perform the operation. Please "
@@ -280,9 +280,6 @@ def test_sqlalchemy_dialect(
    """
    Test the SQLAlchemy dialect, making sure it supports everything Superset needs.
    """
-    if "future" not in engine_kwargs:
-        engine_kwargs["future"] = True
-
    engine = create_engine(sqlalchemy_uri, **engine_kwargs)
    dialect = engine.dialect

@@ -227,7 +227,7 @@ class BaseStreamingCSVExportCommand(BaseCommand):
        delimiter = csv_export_config.get("sep", ",")
        decimal_separator = csv_export_config.get("decimal", ".")

-        with db.session(future=True) as session:
+        with db.session() as session:
            # Merge database to prevent DetachedInstanceError
            merged_database = session.merge(database)

@@ -291,19 +291,30 @@ class QueryContextFactory:  # pylint: disable=too-few-public-methods
                    ),
                    None,
                )
-                # Replaces x-axis column values with granularity
+                # Point the x-axis at the overridden Time Column (granularity).
                if x_axis_column:
                    if isinstance(x_axis_column, dict):
+                        # Only swap the underlying expression, keeping the
+                        # column's original label. The temporal offset join
+                        # (``processing_time_offsets``), the post-processing
+                        # pivot ``index`` and the frontend all reference this
+                        # column by its label; renaming it to the granularity
+                        # here desynchronizes those consumers from the label
+                        # the saved chart still advertises, which — with a Time
+                        # Comparison offset — collapses the series into a single
+                        # point.
                        x_axis_column["sqlExpression"] = granularity
-                        x_axis_column["label"] = granularity
                    else:
+                        # A bare string x-axis has no distinct label, so it is
+                        # replaced wholesale and the pivot ``index`` must be
+                        # realigned to the overridden column.
                        query_object.columns = [
                            granularity if column == x_axis_column else column
                            for column in query_object.columns
                        ]
-                    for post_processing in query_object.post_processing:
-                        if post_processing.get("operation") == "pivot":
-                            post_processing["options"]["index"] = [granularity]
+                        for post_processing in query_object.post_processing:
+                            if post_processing.get("operation") == "pivot":
+                                post_processing["options"]["index"] = [granularity]

            # If no temporal x-axis, then get the default temporal filter
            if not filter_to_remove:
@@ -17,11 +17,13 @@
 # pylint: disable=invalid-name
 from __future__ import annotations

+import inspect
 import logging
 from datetime import datetime
 from pprint import pformat
 from typing import Any, NamedTuple, TYPE_CHECKING

+from flask import current_app
 from flask_babel import gettext as _
 from jinja2.exceptions import TemplateError
 from pandas import DataFrame
@@ -205,8 +207,93 @@ class QueryObject:  # pylint: disable=too-many-instance-attributes
    def _set_post_processing(
        self, post_processing: list[dict[str, Any] | None] | None
    ) -> None:
-        post_processing = post_processing or []
-        self.post_processing = [post_proc for post_proc in post_processing if post_proc]
+        self.post_processing = [
+            self._drop_unsupported_options(post_proc)
+            for post_proc in post_processing or []
+            if post_proc
+        ]
+
+    @staticmethod
+    def _drop_unsupported_options(post_proc: dict[str, Any]) -> dict[str, Any]:
+        """
+        Drop options that the post-processing operation no longer accepts.
+
+        A chart's ``query_context`` is written when the chart is saved and is
+        never rewritten afterwards, while Explore rebuilds the query from
+        ``form_data`` at every render. A chart saved by an older version of
+        Superset can therefore reference an option that has since been removed
+        from the operation. ``exec_post_processing`` passes the stored options
+        as keyword arguments, so that option raises a bare ``TypeError`` on
+        every path that replays the stored ``query_context`` -- the chart data
+        endpoint, alerts and reports, thumbnails, CSV export -- while the same
+        chart still renders correctly in Explore.
+
+        Comparing against the signature avoids a hard-coded list of removed
+        option names, which would need extending at each release.
+
+        Only the built-in operations in ``pandas_postprocessing.__all__`` are
+        inspected. The module also exposes helpers, imported submodules and
+        typing aliases, none of which are operations; and options belonging to a
+        callable registered through ``EXTRA_PANDAS_POSTPROCESSING_OPS`` are the
+        operator's to manage, so both are passed through untouched.
+        """
+        operation = post_proc.get("operation")
+        function = (
+            getattr(pandas_postprocessing, operation, None)
+            if isinstance(operation, str) and operation in pandas_postprocessing.__all__
+            else None
+        )
+        if function is None:
+            # A missing, unknown or operator-registered operation is left
+            # untouched, so that exec_post_processing either dispatches it or
+            # reports it as InvalidPostProcessingError.
+            return post_proc
+
+        parameters = inspect.signature(function).parameters
+        if any(
+            parameter.kind is inspect.Parameter.VAR_KEYWORD
+            for parameter in parameters.values()
+        ):
+            return post_proc
+
+        # `exec_post_processing` calls the operation as `operation(df, **options)`,
+        # so an option can only reach a parameter that a caller may fill by
+        # keyword. That excludes the first parameter, which receives the
+        # DataFrame positionally, and any positional-only or `*args` parameter.
+        keyword_parameters = {
+            name
+            for position, (name, parameter) in enumerate(parameters.items())
+            if position > 0
+            and parameter.kind
+            in (
+                inspect.Parameter.POSITIONAL_OR_KEYWORD,
+                inspect.Parameter.KEYWORD_ONLY,
+            )
+        }
+
+        options = post_proc.get("options") or {}
+        unsupported = {key for key in options if key not in keyword_parameters}
+        if not unsupported:
+            return post_proc
+
+        # Logged at info: a chart saved before the option was removed hits this
+        # on every render, so a warning would repeat for as long as the chart
+        # is not resaved, without anything new to report.
+        logger.info(
+            "Dropping unsupported option(s) %s of post-processing operation "
+            "`%s`. The chart's stored query_context predates the current "
+            "signature of that operation.",
+            sorted(unsupported),
+            operation,
+        )
+        return {
+            **post_proc,
+            "options": {
+                key: value
+                for key, value in options.items()
+                if key in keyword_parameters
+            },
+        }

    def _init_series_columns(
        self,
@@ -544,13 +631,22 @@ class QueryObject:  # pylint: disable=too-many-instance-attributes
                    raise InvalidPostProcessingError(
                        _("`operation` property of post processing object undefined")
                    )
-                if not hasattr(pandas_postprocessing, operation):
-                    raise InvalidPostProcessingError(
-                        _(
-                            "Unsupported post processing operation: %(operation)s",
-                            type=operation,
-                        )
+                # ``__all__`` is the authoritative list of built-in operations.
+                # ``hasattr`` would also match module internals (helpers, imported
+                # submodules, typing aliases), shadowing a like-named custom op.
+                if operation in pandas_postprocessing.__all__:
+                    func = getattr(pandas_postprocessing, operation)
+                else:
+                    extra_ops = pandas_postprocessing.build_extra_ops_map(
+                        current_app.config.get("EXTRA_PANDAS_POSTPROCESSING_OPS", [])
                    )
-                options = post_process.get("options", {})
-                df = getattr(pandas_postprocessing, operation)(df, **options)
+                    if operation not in extra_ops:
+                        raise InvalidPostProcessingError(
+                            _(
+                                "Unsupported post processing operation: %(operation)s",
+                                operation=operation,
+                            )
+                        )
+                    func = extra_ops[operation]
+                df = func(df, **post_process.get("options", {}))
            return df
@@ -358,6 +358,17 @@ SQLALCHEMY_ENCRYPTED_FIELD_ENGINE: Literal["aes", "aes-gcm"] = "aes"
 # Extends the default SQLGlot dialects with additional dialects
 SQLGLOT_DIALECTS_EXTENSIONS: DialectExtensions | Callable[[], DialectExtensions] = {}

+# Extra pandas post-processing operations to register alongside the built-in ones.
+# Each entry must be a named callable (i.e. have a __name__ attribute) with the
+# signature:
+#   def my_op(df: pandas.DataFrame, **options: Any) -> pandas.DataFrame
+# The function is registered under its __name__ as the operation name. Callables
+# without __name__ (e.g. functools.partial, lambda) are silently ignored.
+# Example:
+#   from mypackage.ops import my_custom_op
+#   EXTRA_PANDAS_POSTPROCESSING_OPS = [my_custom_op]
+EXTRA_PANDAS_POSTPROCESSING_OPS: list[Callable[..., Any]] = []
+
 # The limit of queries fetched for query search
 QUERY_SEARCH_LIMIT = 1000

@@ -957,7 +957,13 @@ class AnnotationDatasource(BaseDatasource):
    def get_query_str(self, query_obj: QueryObjectDict) -> str:
        raise NotImplementedError()

-    def values_for_column(self, column_name: str, limit: int = 10000) -> list[Any]:
+    def values_for_column(
+        self,
+        column_name: str,
+        limit: int = 10000,
+        denormalize_column: bool = False,
+        array_elements: bool = False,
+    ) -> list[Any]:
        raise NotImplementedError()


@@ -1892,11 +1898,6 @@ class SqlaTable(

        if expression_type == utils.AdhocMetricExpressionType.SIMPLE:
            aggregate: Any = metric.get("aggregate")
-            if (
-                not isinstance(aggregate, str)
-                or aggregate not in self.sqla_aggregations
-            ):
-                raise QueryObjectValidationError(_("Adhoc metric aggregate is invalid"))
            metric_column = metric.get("column") or {}
            column_name = cast(str, metric_column.get("column_name"))
            table_column: TableColumn | None = columns_by_name.get(column_name)
@@ -1906,7 +1907,27 @@ class SqlaTable(
                )
            else:
                sqla_column = column(column_name)
-            sqla_metric = self.sqla_aggregations[aggregate](sqla_column)
+
+            if isinstance(aggregate, str) and aggregate in self.sqla_aggregations:
+                sqla_metric = self.sqla_aggregations[aggregate](sqla_column)
+            elif isinstance(aggregate, str) and (
+                extended_func := self.db_engine_spec.get_extended_aggregation_func(
+                    aggregate
+                )
+            ):
+                sqla_metric = extended_func(sqla_column)
+            elif (
+                isinstance(aggregate, str)
+                and aggregate in utils.EXTENDED_METRIC_AGGREGATES
+            ):
+                raise QueryObjectValidationError(
+                    _(
+                        "The %(aggregate)s aggregate is not supported on this database",
+                        aggregate=aggregate,
+                    )
+                )
+            else:
+                raise QueryObjectValidationError(_("Adhoc metric aggregate is invalid"))
        elif expression_type == utils.AdhocMetricExpressionType.SQL:
            expression: str | None = metric.get("sqlExpression")
            if not isinstance(expression, str) or not expression.strip():
@@ -133,6 +133,9 @@ class DatasourceRestApi(BaseSupersetApi):

        row_limit = apply_max_row_limit(app.config["FILTER_SELECT_ROW_LIMIT"])
        denormalize_column = not datasource.normalize_columns
+        # Element-level operators (Contains any / Contains all) request the
+        # distinct array *elements* rather than distinct whole arrays.
+        array_elements = parse_boolean_string(request.args.get("array_elements"))

        # Cache distinct column-value results so a dashboard with many filters
        # backed by the same (often heavy) virtual dataset doesn't re-execute
@@ -165,6 +168,7 @@ class DatasourceRestApi(BaseSupersetApi):
                        "col": column_name,
                        "limit": row_limit,
                        "denorm": denormalize_column,
+                        "elements": array_elements,
                        "rls": security_manager.get_rls_cache_key(datasource),
                        "changed_on": str(getattr(datasource, "changed_on", "")),
                    },
@@ -189,6 +193,7 @@ class DatasourceRestApi(BaseSupersetApi):
                column_name=column_name,
                limit=row_limit,
                denormalize_column=denormalize_column,
+                array_elements=array_elements,
            )
        except KeyError:
            return self.response(
@@ -55,7 +55,13 @@ from sqlalchemy.engine.reflection import Inspector
 from sqlalchemy.engine.url import URL
 from sqlalchemy.ext.compiler import compiles
 from sqlalchemy.sql import literal_column, quoted_name, text
-from sqlalchemy.sql.expression import BinaryExpression, ColumnClause, Select, TextClause
+from sqlalchemy.sql.expression import (
+    BinaryExpression,
+    ColumnClause,
+    ColumnElement,
+    Select,
+    TextClause,
+)
 from sqlalchemy.types import TypeEngine

 from superset import db
@@ -528,6 +534,11 @@ class BaseEngineSpec:  # pylint: disable=too-many-public-methods
    time_groupby_inline = False
    limit_method = LimitMethod.FORCE_LIMIT
    supports_multivalues_insert = False
+    # Whether this engine supports first-class multi-value (array-typed) columns.
+    # When True, array columns are classified as ``GenericDataType.MULTI_VALUE`` and
+    # the ``array_*`` capability methods below must be implemented. Defaults to
+    # False so engines that have not opted in keep treating arrays as strings.
+    supports_multivalue_columns = False
    allows_joins = True
    allows_subqueries = True
    allows_alias_in_select = True
@@ -621,6 +632,33 @@ class BaseEngineSpec:  # pylint: disable=too-many-public-methods
    # issuing one query per level. Conservative default of False; engines opt in.
    supports_grouping_sets = False

+    # SQL-generating callables for metric aggregates that have no safe, universal
+    # cross-dialect spelling -- unlike SUM/COUNT/AVG/MIN/MAX/COUNT_DISTINCT (see
+    # `SqlaTable.sqla_aggregations`), which SQLAlchemy's generic `sa.func` can emit
+    # unchanged on every engine. Keyed by `Aggregate` name (see
+    # `superset-frontend/packages/superset-ui-core/src/query/types/Metric.ts`);
+    # each value takes a SQLAlchemy column and returns the aggregate expression.
+    # Absent by default: an aggregate not present here is unsupported on this
+    # engine, and callers must surface a clear "not supported" error rather than
+    # emit unverified SQL (a wrong statistic returned silently is worse than an
+    # error). Engines opt in via `get_extended_aggregation_func` below once the
+    # expression has been verified against real engine behavior, not assumed
+    # from syntax alone -- see the MySQL engine spec for a concrete example of
+    # why this distinction matters (its `VARIANCE()` computes the *population*
+    # variance, not the *sample* variance `VAR_SAMP` denotes).
+    _extended_aggregations: dict[str, Callable[[ColumnElement], ColumnElement]] = {}
+
+    @classmethod
+    def get_extended_aggregation_func(
+        cls, aggregate: str
+    ) -> Callable[[ColumnElement], ColumnElement] | None:
+        """
+        SQL-generating callable for an aggregate not handled by the generic
+        `sa.func` mapping (e.g. MEDIAN, STDDEV_SAMP, VAR_SAMP). Returns None if
+        this engine has no verified, correct expression for it.
+        """
+        return cls._extended_aggregations.get(aggregate)
+
    # Is the DB engine spec able to change the default schema? This requires implementing  # noqa: E501
    # a custom `adjust_engine_params` method.
    supports_dynamic_schema = False
@@ -2571,6 +2609,105 @@ class BaseEngineSpec:  # pylint: disable=too-many-public-methods
            logger.error(ex, exc_info=True)
            raise

+    @classmethod
+    def array_contains_any(cls, col: ColumnElement, values: list[Any]) -> ColumnElement:
+        """
+        Build a boolean expression testing whether array column ``col`` contains
+        **any** of ``values`` (element-level membership, like ``IN``). Engines
+        that set ``supports_multivalue_columns = True`` must override this with
+        their native function (e.g. ClickHouse ``hasAny``).
+
+        :param col: SQLAlchemy column element for the array column
+        :param values: element values to look for inside the array
+        :return: a SQLAlchemy boolean expression
+        """
+        raise NotImplementedError(
+            f"{cls.engine} does not support multi-value (array) columns"
+        )
+
+    @classmethod
+    def array_contains_all(cls, col: ColumnElement, values: list[Any]) -> ColumnElement:
+        """
+        Build a boolean expression testing whether array column ``col`` contains
+        **all** of ``values``. Engines that set
+        ``supports_multivalue_columns = True`` must override this with their
+        native function (e.g. ClickHouse ``hasAll``).
+
+        :param col: SQLAlchemy column element for the array column
+        :param values: element values that must all be present
+        :return: a SQLAlchemy boolean expression
+        """
+        raise NotImplementedError(
+            f"{cls.engine} does not support multi-value (array) columns"
+        )
+
+    @classmethod
+    def array_length(cls, col: ColumnElement) -> ColumnElement:
+        """
+        Build a numeric expression returning the number of elements in array
+        column ``col``. Engines that set ``supports_multivalue_columns = True``
+        must override this with their native array-length function. Used both for
+        the ``Length`` filter and the ``Is empty`` / ``Is not empty`` operators.
+
+        :param col: SQLAlchemy column element for the array column
+        :return: a SQLAlchemy numeric expression
+        """
+        raise NotImplementedError(
+            f"{cls.engine} does not support multi-value (array) columns"
+        )
+
+    @classmethod
+    def array_literal(cls, values: list[Any]) -> ColumnElement:
+        """
+        Build an array-literal expression from ``values`` (e.g. ClickHouse
+        ``array(v1, v2)`` == ``[v1, v2]``). Used for the whole-array (column-
+        level) operators ``=`` / ``!=`` / ``IN`` / ``NOT IN`` where the array is
+        compared as a single value. Engines that set
+        ``supports_multivalue_columns = True`` must override this.
+
+        :param values: element values that make up the array
+        :return: a SQLAlchemy array-literal expression
+        """
+        raise NotImplementedError(
+            f"{cls.engine} does not support multi-value (array) columns"
+        )
+
+    @classmethod
+    def array_explode(cls, col: ColumnElement) -> ColumnElement:
+        """
+        Build an expression that expands array column ``col`` into one row per
+        element (e.g. ClickHouse ``arrayJoin``). Used to source **element-level**
+        value suggestions (``SELECT DISTINCT array_explode(col)``) for the
+        ``Contains any`` / ``Contains all`` filter operators, so the picker offers
+        individual elements rather than whole arrays. Engines that set
+        ``supports_multivalue_columns = True`` must override this.
+
+        :param col: SQLAlchemy column element for the array column
+        :return: a SQLAlchemy expression yielding one element per row
+        """
+        raise NotImplementedError(
+            f"{cls.engine} does not support multi-value (array) columns"
+        )
+
+    @classmethod
+    def get_array_element_type(  # pylint: disable=unused-argument
+        cls, native_type: str | None
+    ) -> GenericDataType | None:
+        """
+        Return the generic type of an array column's **element** type, derived
+        from its native type string (e.g. ClickHouse ``Array(Int32)`` ->
+        ``NUMERIC``), or ``None`` when the engine has no array support or the
+        element type cannot be resolved.
+
+        Callers use this to coerce filter values to the element type before
+        building array expressions, so, for example, a ``Contains any`` filter on
+        a numeric array compares against numbers rather than quoted strings.
+
+        :param native_type: native column type string of the array column
+        :return: the element's :class:`GenericDataType`, or ``None``
+        """
+        return None
+
    @classmethod
    def get_column_spec(  # pylint: disable=unused-argument
        cls,
@@ -26,8 +26,9 @@ from flask import current_app as app
 from flask_babel import gettext as __
 from marshmallow import fields, Schema
 from marshmallow.validate import Range
-from sqlalchemy import types
+from sqlalchemy import func, types
 from sqlalchemy.engine.url import URL
+from sqlalchemy.sql.expression import ColumnElement
 from urllib3.exceptions import NewConnectionError

 from superset.databases.utils import make_url_safe
@@ -55,6 +56,7 @@ class ClickHouseBaseEngineSpec(BaseEngineSpec):

    time_groupby_inline = True
    supports_multivalues_insert = True
+    supports_multivalue_columns = True

    # ClickHouse doesn't support IS true/false syntax, use = true/false instead
    use_equality_for_boolean_filters = True
@@ -128,12 +130,18 @@ class ClickHouseBaseEngineSpec(BaseEngineSpec):

    column_type_mappings = (
        (
-            re.compile(r".*Enum.*", re.IGNORECASE),
+            # Anchor to the start so only top-level arrays match. This must be
+            # ordered before the ``Enum`` entry below: ``Array(Enum8(...))`` is a
+            # real array and should classify as MULTI_VALUE, not STRING. The
+            # anchor also prevents over-matching nested arrays such as
+            # ``Map(String, Array(String))`` or ``Tuple(Array(String))``, which
+            # are not themselves array columns and must keep their own type.
+            re.compile(r"^Array\(", re.IGNORECASE),
            types.String(),
-            GenericDataType.STRING,
+            GenericDataType.MULTI_VALUE,
        ),
        (
-            re.compile(r".*Array.*", re.IGNORECASE),
+            re.compile(r".*Enum.*", re.IGNORECASE),
            types.String(),
            GenericDataType.STRING,
        ),
@@ -174,6 +182,56 @@ class ClickHouseBaseEngineSpec(BaseEngineSpec):
        ),
    )

+    @classmethod
+    def array_contains_any(cls, col: ColumnElement, values: list[Any]) -> ColumnElement:
+        # ClickHouse: hasAny(arr, [v1, v2]) -> 1 if arr shares any element.
+        # func.array(*values) renders as array(v1, v2) == [v1, v2].
+        return func.hasAny(col, func.array(*values))
+
+    @classmethod
+    def array_contains_all(cls, col: ColumnElement, values: list[Any]) -> ColumnElement:
+        # ClickHouse: hasAll(arr, [v1, v2]) -> 1 if arr contains all elements.
+        return func.hasAll(col, func.array(*values))
+
+    @classmethod
+    def array_length(cls, col: ColumnElement) -> ColumnElement:
+        # ClickHouse: length(arr) -> number of elements
+        return func.length(col)
+
+    @classmethod
+    def array_literal(cls, values: list[Any]) -> ColumnElement:
+        # ClickHouse: array(v1, v2) is equivalent to the literal [v1, v2].
+        return func.array(*values)
+
+    @classmethod
+    def array_explode(cls, col: ColumnElement) -> ColumnElement:
+        # ClickHouse: arrayJoin(arr) yields one row per element, so
+        # SELECT DISTINCT arrayJoin(arr) returns the distinct elements.
+        return func.arrayJoin(col)
+
+    # Matches the element type inside a top-level ``Array(...)`` column, e.g.
+    # ``Array(Int32)`` -> ``Int32``, ``Array(Nullable(String))`` -> ``String``.
+    _ARRAY_ELEMENT_RE = re.compile(r"^Array\((?P<inner>.+)\)$", re.IGNORECASE)
+    # Element-type wrappers that don't change the underlying generic type.
+    _ELEMENT_WRAPPER_RE = re.compile(
+        r"^(?:Nullable|LowCardinality)\((?P<inner>.+)\)$", re.IGNORECASE
+    )
+
+    @classmethod
+    def get_array_element_type(cls, native_type: str | None) -> GenericDataType | None:
+        if not native_type:
+            return None
+        match = cls._ARRAY_ELEMENT_RE.match(native_type.strip())
+        if not match:
+            return None
+        inner = match.group("inner").strip()
+        # Peel wrappers (Nullable/LowCardinality) that don't alter the generic
+        # type so the inner scalar type drives classification.
+        while wrapper := cls._ELEMENT_WRAPPER_RE.match(inner):
+            inner = wrapper.group("inner").strip()
+        spec = cls.get_column_spec(inner)
+        return spec.generic_type if spec else None
+
    @classmethod
    def epoch_to_dttm(cls) -> str:
        return "{col}"
@@ -15,9 +15,10 @@
 # specific language governing permissions and limitations
 # under the License.
 from datetime import datetime
-from typing import Any, Optional
+from typing import Any, Callable, Optional

 from sqlalchemy import types
+from sqlalchemy.sql.elements import ColumnElement

 from superset.db_engine_specs.base import DatabaseCategory
 from superset.db_engine_specs.postgres import PostgresEngineSpec
@@ -27,6 +28,12 @@ class CockroachDbEngineSpec(PostgresEngineSpec):
    engine = "cockroachdb"
    engine_name = "CockroachDB"

+    # `PostgresEngineSpec._extended_aggregations` (MEDIAN/STDDEV_SAMP/VAR_SAMP)
+    # is verified against real Postgres behavior, not CockroachDB's distributed
+    # query engine; disable it here until someone confirms the same expressions
+    # against a live CockroachDB instance.
+    _extended_aggregations: dict[str, Callable[[ColumnElement], ColumnElement]] = {}
+
    metadata = {
        "description": (
            "CockroachDB is a distributed SQL database built for cloud applications."
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Superset DevandClaude Sonnet 5	0ba34c97a0	fix(embedded): compare each query's result type against its own stored query, not the flattened set _result_type_modified previously unioned every stored query's result_type into one set and checked requested result types against that set, so a result type stored on one query (e.g. samples) could be requested for a different query in the same query context. Compare each requested query's effective result type (its own result_type, falling back to the query context's top-level result_type - mirroring how the value is resolved at render time) against the corresponding stored query at the same position instead. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>	2026-08-21 13:43:30 -07:00
Superset Dev	a8284ec014	Merge remote-tracking branch 'origin/master' into worktree-agent-aa6eed447e8f5a7bf # Conflicts: # superset/security/manager.py	2026-08-21 09:46:51 -07:00
Alexandru Soare	a05a099987	fix(embedded): block custom SQL injection in guest user chart payloads (#43111 )	2026-08-21 17:05:40 +03:00
Evan RusackasandClaude Code	05842a6350	feat(metrics): add MEDIAN/STDDEV_SAMP/VAR_SAMP as system-wide aggregates (#42895 ) Co-authored-by: Claude Code <noreply@anthropic.com>	2026-08-21 04:15:17 -07:00
Evan RusackasandClaude Opus 4.8	e45dd2d3f1	ci: pull CI service images from GHCR mirror (fork-safe) [depends on #40880 ] (#40882 ) Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>	2026-08-21 04:11:37 -07:00
Mehmet Salih Yavuz	65910abf21	fix(sqllab): disable Save dataset until the query runs successfully (#43330 )	2026-08-21 12:56:42 +03:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	6e22050b50	chore(deps): bump the storybook group in /docs with 2 updates (#43377 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-21 01:10:41 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	132340b652	chore(deps): bump astral-sh/setup-uv from 10.0.0 to 10.0.1 (#43378 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-21 01:10:37 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	14408eb3db	chore(deps-dev): bump the storybook group in /superset-frontend with 5 updates (#43379 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-21 01:10:33 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	87743ef3f8	chore(deps): bump dompurify from 3.4.12 to 3.4.13 in /superset-frontend (#43380 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-21 01:10:29 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	fb53761ec8	chore(deps-dev): bump baseline-browser-mapping from 2.11.13 to 2.11.14 in /superset-frontend (#43381 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-21 01:10:25 -07:00
Superset Dev	08935144c8	fix(async-events): derive guest channel id from the full token claim set get_guest_user_channel_id() HMACed an enumerated subset of guest-token claims (user/resources/iat/exp/aud/datasets/rev), omitting rls_rules. Two guest tokens differing only in their RLS clauses -- the documented pattern for embedding one dashboard across multiple tenants -- could derive the same async channel and collide on job-status polling and cancellation. HMAC the complete decoded claim set instead of an enumerated subset, so any claim difference (including future ones) yields a distinct channel.	2026-08-21 00:48:59 -07:00
Superset Dev	9b1f66823b	fix(embedded): stop rendering dashboard title/description before guest auth The Referer and Sec-Fetch-Dest checks on the pre-token embed page are browser-cooperation only; a non-browser client can forge or omit both headers, so anything the page renders is effectively reachable by knowing an embed UUID. Stop passing the dashboard title and description into the template at this stage. The embedded SPA already fetches dashboard metadata through the guest-token-authenticated API once it holds a token, so the pre-auth page falls back to a generic title.	2026-08-21 00:47:02 -07:00
Superset Dev	e5ed37a333	fix(guest-tokens): reject result types that expand a chart to raw rows query_context_modified() compared columns/metrics/order-by against the stored chart but never compared result_type, and the samples/drill_detail preparers in query_actions.py rewrite an accepted query to every column on the datasource (dropping metrics/post_processing) after that check has already passed. Add _result_type_modified(), checking the request's top-level and per-query result_type (samples or drill_detail) against the stored chart's own saved query context; unless the chart itself uses one of those result types, requesting it now fails the guest tamper check.	2026-08-21 00:41:12 -07:00
Superset Dev	6f96d1121f	fix(guest-tokens): reject annotation layers not on the stored chart query_context_modified() compared columns/metrics/series-limit/order-by against a chart's stored query context but never inspected annotation_layers, which is accepted on any query object and resolved by AnnotationLayerDAO.find_by_ids with no per-object restriction. Add _annotation_layers_modified(), matching the existing subset-comparator pattern: the union of annotation layers in form_data and every query object must already appear (by sourceType/value identity) on the stored chart's params or saved query_context. Replaying a chart's own layers still passes; referencing any other layer now fails the guest tamper check.	2026-08-21 00:39:21 -07:00
Amin Ghadersohi	f7d505e1fd	fix(listview): stop card clicks creating a duplicate history entry (#43310 )	2026-08-20 23:23:46 -04:00
Kasia Claude Sonnet 4.6 Evan Rusackas	22396d504a	fix(ux): use title case for button labels (#40048 ) Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com> Co-authored-by: Evan Rusackas <evan@preset.io>	2026-08-20 20:14:33 -07:00
Gaston LaterzaandClaude Opus 5	27ea5de44a	fix(i18n-es): correct case/number collapse in the semantic-layer labels (#43311 ) Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>	2026-08-20 20:03:57 -07:00
Joe LiandClaude Sonnet 5	18fc2c6228	fix(sqllab): stop copying a permalink when opening a saved query (#43147 ) Co-authored-by: Claude Sonnet 5 <noreply@anthropic.com>	2026-08-20 15:44:20 -07:00
Amin Ghadersohi	18a36d04c7	fix(mcp): preserve user-authored result values (#43202 )	2026-08-20 18:29:39 -04:00
ʈᵃᵢ	01b1d58ac9	fix(plugin-chart-echarts): restore tooltips for metrics labelled like… (#43369 )	2026-08-20 14:58:11 -07:00
Joe Li	7441ce90ae	fix(charts): align grain-less time comparisons safely (#43315 )	2026-08-20 14:55:01 -07:00
Amin Ghadersohi	42ba2a4433	fix(reports): humanize day-of-month + day-of-week crontabs as OR (#43307 )	2026-08-20 16:46:08 -04:00
madhushreeagandmadhushree agarwal	271564cb0d	feat(config): add EXTRA_PANDAS_POSTPROCESSING_OPS extension point (#43337 ) Co-authored-by: madhushree agarwal <madhushree_agarwal@apple.com>	2026-08-20 13:15:41 -07:00
JUST.in DO ITandClaude Sonnet 5	bcfb4346f6	fix(mcp): honor use_cache and cache_timeout in get_chart_data (#43349 ) Co-authored-by: Claude Sonnet 5 <noreply@anthropic.com>	2026-08-20 13:01:41 -07:00
Joe Li	b5fe00b407	test(frontend): shrink flaky/misplaced recently-archived e2e coverage to Jest unit tests (#43264 )	2026-08-20 11:48:02 -07:00
Parman MohammadalizadehandEvan Rusackas	148ffaff50	fix(plugin-chart-echarts): omit stacked value labels on zero-height segments (#42756 ) Co-authored-by: Evan Rusackas <evan@preset.io>	2026-08-20 11:04:19 -07:00
Ankit	83c6ea4e03	fix(explore): show the empty state when Samples returns no result payload (#43115 )	2026-08-20 11:00:54 -07:00
Hans Yu	1ca5e61f54	chore: Unset future flag in engines and sessions. (#43273 )	2026-08-20 10:58:37 -07:00
rlei	1ef12580a7	fix(chart): ignore chart actions for a chart no longer in state (#43228 )	2026-08-20 10:57:21 -07:00
yousoph Claude Opus 4.8 Joe Li	c0884c0f0c	fix(explore): keep x-axis label when overriding Time Column with time comparison (#42875 ) Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com> Co-authored-by: Joe Li <joe@preset.io>	2026-08-20 10:52:22 -07:00
Sepuri Sai KrishnaandClaude Opus 5	2ff79bd495	fix(github): point the issue templates at labels that exist (#43357 ) Co-authored-by: Claude Opus 5 <noreply@anthropic.com>	2026-08-20 10:13:36 -07:00
Mafi Matt Fitzgerald Claude Opus 4.8 Amin Ghadersohi	e7dccd44a7	fix(reports): prevent blank/partial report PDFs from virtualized charts (#43348 ) Co-authored-by: Matt Fitzgerald <matt.fitzgerald@preset.io> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com> Co-authored-by: Amin Ghadersohi <amin.ghadersohi@gmail.com>	2026-08-20 09:10:30 -04:00
dependabot[bot]	fdd3945dde	chore(deps): bump github/codeql-action/analyze from 4.37.6 to 4.37.7 (#43361 ) Signed-off-by: dependabot[bot] <support@github.com>	2026-08-20 13:58:31 +03:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	8b67fb4d30	chore(deps-dev): bump globals from 17.10.0 to 17.11.0 in /superset-websocket (#43360 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-20 00:41:49 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	b288db91f9	chore(deps): bump github/codeql-action/init from 4.37.6 to 4.37.7 (#43362 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-20 00:41:43 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	80bba12d0f	chore(deps-dev): bump globals from 17.10.0 to 17.11.0 in /docs (#43363 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-20 00:41:38 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	5d4358a149	chore(deps): bump google-auth-library from 11.0.1 to 11.0.2 in /superset-frontend (#43364 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-20 00:41:25 -07:00
Arya Ketan Claude Opus 5 Evan Rusackas	f9cedf84e2	fix: drop post-processing options the operation no longer accepts (#42927 ) Signed-off-by: Arya Ketan <aryaketan@sharechat.co> Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com> Co-authored-by: Evan Rusackas <evan@preset.io>	2026-08-19 18:15:15 -07:00
Grégoire GaillyandEvan Rusackas	c2d653b4b8	fix: set maxHeight of List components to height when in AutoSizer (#43056 ) Co-authored-by: Evan Rusackas <evan@preset.io>	2026-08-19 16:56:30 -07:00
Đỗ Trọng HảiandJoe Li	5a96c3f538	chore(ci): disable Git commit info capture in Playwright E2E tests to avoid timeout (#43213 ) Signed-off-by: hainenber <dotronghai96@gmail.com> Co-authored-by: Joe Li <joe@preset.io>	2026-08-19 16:54:44 -07:00
ʈᵃᵢ	faf7c34c0a	fix(explore): legacy boolean filters and limit available operators based on calculated column type (#43341 )	2026-08-19 15:37:09 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	b8fca2145d	chore(deps): bump astral-sh/setup-uv from 9.0.0 to 10.0.0 (#43322 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-19 14:40:02 -07:00
Alejandro Solares	c10054f521	fix(plugin-chart-chord): declare react as a peerDependency (#43304 )	2026-08-19 17:35:38 -04:00
Amin GhadersohiandClaude	8c500ccee1	fix(users): show password validation errors (#43191 ) Co-authored-by: Claude <noreply@anthropic.com>	2026-08-19 16:57:46 -04:00
Joe LiandClaude Sonnet 5	6d77efad29	fix(chart): stop contextmenu propagation in BigNumberViz (#43267 ) Co-authored-by: Claude Sonnet 5 <noreply@anthropic.com>	2026-08-19 13:57:28 -07:00
Amin GhadersohiandClaude	8222db3340	fix(dataset): preserve legacy default dashboard URLs (#43190 ) Co-authored-by: Claude <noreply@anthropic.com>	2026-08-19 14:44:54 -04:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	01ce8358a6	chore(deps-dev): bump globals from 17.9.0 to 17.10.0 in /superset-websocket (#43321 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-19 11:36:48 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	53a8a0e140	chore(deps): bump the docusaurus-openapi group in /docs with 2 updates (#43323 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-19 11:36:44 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	eafbff9f8d	chore(deps-dev): bump globals from 17.9.0 to 17.10.0 in /docs (#43324 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-19 11:36:37 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	1339bcd9da	chore(deps): bump swagger-ui-react from 5.32.12 to 5.32.13 in /docs (#43325 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-19 11:36:34 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	334e280489	chore(deps): bump dompurify from 3.4.12 to 3.4.13 in /superset-frontend (#43326 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-19 11:36:30 -07:00
dependabot[bot]anddependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	c07f3ebf2d	chore(deps-dev): bump @swc/plugin-emotion from 14.15.0 to 14.19.0 in /superset-frontend (#43328 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2026-08-19 11:36:26 -07:00
Sumit KumarandClaude Opus 4.8	1569915096	feat(multi-value): array-typed column filters with two-tier operators (ClickHouse MVP) (#41279 ) Signed-off-by: thedeceptio <thedeceptio@gmail.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>	2026-08-19 10:56:49 -07:00
BexultanandBexultan Mustafin	fde0ba26d1	fix(mcp): validate virtual dataset metadata and surface errors (#43129 ) Co-authored-by: Bexultan Mustafin <bexultan.mustafin@ffins.kz>	2026-08-19 10:50:37 -07:00