- Bump react, react-dom to ^18.2.0
- Bump @types/react, @types/react-dom to ^18.2.0
- Migrate ReactDOM.render() to createRoot() in all entry points
- Upgrade @testing-library/react to ^14.0.0
- Remove @testing-library/react-hooks (merged into RTL 14)
- Migrate 54 test files from @testing-library/react-hooks imports
- Replace react-sortable-hoc with @dnd-kit/sortable (CollectionControl)
- Remove @cypress/react (incompatible with React 18, Cypress deprecated)
- Update all sub-package peerDependencies to ^18.2.0
- Migrate ChartLayer (cartodiagram) from ReactDOM.render to createRoot
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
