diff --git a/superset-frontend/src/embedded/EmbeddedContextProviders.tsx b/superset-frontend/src/embedded/EmbeddedContextProviders.tsx
index 3846f697d11..28819a9702e 100644
--- a/superset-frontend/src/embedded/EmbeddedContextProviders.tsx
+++ b/superset-frontend/src/embedded/EmbeddedContextProviders.tsx
@@ -17,6 +17,7 @@
  * under the License.
  */
 import { getExtensionsRegistry } from '@superset-ui/core';
+import type { ComponentType, ReactNode } from 'react';
 import { Provider as ReduxProvider } from 'react-redux';
 import { QueryParamProvider } from 'use-query-params';
 import { ReactRouter5Adapter } from 'use-query-params/adapters/react-router-5';
@@ -64,7 +65,7 @@ export const EmbeddedContextProviders: React.FC<{
 }> = ({ children }) => {
   const RootContextProviderExtension = extensionsRegistry.get(
     'root.context.provider',
-  );
+  ) as ComponentType<{ children?: ReactNode }> | undefined;
 
   return (
     <SupersetThemeProvider themeController={themeController}>
diff --git a/superset-frontend/src/explore/components/controls/CollectionControl/index.tsx b/superset-frontend/src/explore/components/controls/CollectionControl/index.tsx
index 0ad904731fa..369642f4142 100644
--- a/superset-frontend/src/explore/components/controls/CollectionControl/index.tsx
+++ b/superset-frontend/src/explore/components/controls/CollectionControl/index.tsx
@@ -188,7 +188,9 @@ function CollectionControl({
   // Two items can collide when keyAccessor returns falsy and the index
   // fallback is used — breaking dnd-kit reordering and React reconciliation.
   // Assign a stable nanoid per item ref when no key is available.
-  const generatedIdsRef = useRef<WeakMap<CollectionItem, string>>(new WeakMap());
+  const generatedIdsRef = useRef<WeakMap<CollectionItem, string>>(
+    new WeakMap(),
+  );
   const itemIds = useMemo(
     () =>
       value.map(item => {
diff --git a/superset-frontend/src/features/home/SubMenu.tsx b/superset-frontend/src/features/home/SubMenu.tsx
index 9c2e2c451eb..d0108473f9c 100644
--- a/superset-frontend/src/features/home/SubMenu.tsx
+++ b/superset-frontend/src/features/home/SubMenu.tsx
@@ -34,6 +34,7 @@ import {
   Tooltip,
   Row,
   type OnClickHandler,
+  type ButtonProps as CoreButtonProps,
 } from '@superset-ui/core/components';
 import { Icons } from '@superset-ui/core/components/Icons';
 import { MenuObjectProps } from 'src/types/bootstrapTypes';
@@ -148,7 +149,7 @@ export interface ButtonProps {
   'data-test'?: string;
   buttonStyle: 'primary' | 'secondary' | 'dashed' | 'link' | 'tertiary';
   loading?: boolean;
-  icon?: ReactNode;
+  icon?: CoreButtonProps['icon'];
   component?: ReactNode;
 }
 
diff --git a/superset-frontend/src/views/RootContextProviders.tsx b/superset-frontend/src/views/RootContextProviders.tsx
index 38a6dab16e4..abc1475054e 100644
--- a/superset-frontend/src/views/RootContextProviders.tsx
+++ b/superset-frontend/src/views/RootContextProviders.tsx
@@ -18,6 +18,7 @@
  */
 
 import { getExtensionsRegistry } from '@superset-ui/core';
+import type { ComponentType, ReactNode } from 'react';
 import { Provider as ReduxProvider } from 'react-redux';
 import { QueryParamProvider } from 'use-query-params';
 import { ReactRouter5Adapter } from 'use-query-params/adapters/react-router-5';
@@ -39,7 +40,7 @@ export const RootContextProviders: React.FC<{ children?: React.ReactNode }> = ({
 }) => {
   const RootContextProviderExtension = extensionsRegistry.get(
     'root.context.provider',
-  );
+  ) as ComponentType<{ children?: ReactNode }> | undefined;
 
   return (
     <SupersetThemeProvider themeController={themeController}>
diff --git a/superset/superset_typing.py b/superset/superset_typing.py
index b7b81e83f4d..4634a66ee43 100644
--- a/superset/superset_typing.py
+++ b/superset/superset_typing.py
@@ -82,6 +82,8 @@ class DatasetMetricData(TypedDict, total=False):
     warning_markdown: str | None
     warning_text: str | None
     verbose_name: str | None
+
+
 # Type alias for database connection mutator function
 DBConnectionMutator: TypeAlias = Callable[
     [URL, dict[str, Any], str | None, Any, "QuerySource | None"],