A big thanks to the 18 contributors who made this release possible.

@mui/material@6.0.0-beta.6

• [Autocomplete] Improve the options prop description (#41591) @pluvio72
• [Autocomplete] Remove autocomplete warning regarding value not equal to option (#43314) @ZeeshanTamboli
• [Divider] Add aria-orientation (#43241) @aarongarciah
• [IconButton] Fix hover background color behavior (#43271) @mnajdova
• [TypeScript] Refactor types so they're compatible with upcoming React 19 (#43276) @DiegoAndai
• [Typography] Replace dot notation color value to work with Pigment CSS (#43288) @siriwatknp
• [pigment-css] Fix getSelector prefers-color-scheme to be object (#43237) @siriwatknp
• Remove display="block" usage to work with Pigment CSS (#43307) @siriwatknp

@mui/codemod@6.0.0-beta.6

• [codemod] Skip sx spread transformation (#43291) @siriwatknp

@mui/styles@6.0.0-beta.6

• [styles] Fix issues reported by eslint-plugin-react-compiler (#43118) @jlewins

Docs

• [material-ui] Audit and copyedit the v6 migration doc (#43073) @samuelsycamore
• [material-ui] Fix Material Icon search lag and other improvements (#41330) @anle9650
• [material-ui][Popover] Fix description and title of hover interaction section (#43290) @ZeeshanTamboli
• [material-ui] Refine and unify custom template themes (#43220) @zanivan
• [joy-ui] Fix data grid redirection (#43247) @sai6855
• [mui-system] Add import statement in docs (#43223) @sai6855
• Update babel config (#43286) @romgrk
• Fix outdated references to Materal UI version (#43321) @oliviertassinari
• Polish migration git diff experience @oliviertassinari
• Update LTS to match format (#43212) @oliviertassinari
• Fix Pigment CSS migration content (#43217) @siriwatknp

Core

• [code-infra] Remove userEvent export from @mui/internal-test-utils (#43313) @LukasTy
• [code-infra] Remove unnecessary alias (#43320) @Janpot
• [code-infra] Fix utils bundle size entrypoint (#43304) @Janpot
• [core] missing and incorrect scripts (#43209) @Jay-Karia
• [core] Set Node 14 as minimum version in all browserslist envs (#43326) @aarongarciah
• [core] Add React 19 as peer dependency (#43216) @aarongarciah
• [core] Pin eslint-plugin-jsx-a11y version to 6.7.1 (#43292) @Janpot
• [core] Update supported Node.js version to 14 (#43315) @Janpot
• [core] Use fs instead of fs-extra in script utils (#43234) @DiegoAndai
• [core] Refactor system theme props (#43120) @romgrk
• [docs-infra] Fix some TS issues for X docs (#43285) @Janpot
• [docs-infra] Move API pages to TS (#43199) @alexfauquette
• [docs-infra] Fix broken sandboxes with relative module imports (#42767) @bharatkashyap
• [docs-infra] Simplify API sections typing (#43128) @alexfauquette
• [examples] Fix import (#43316) @aarongarciah
• [examples] Add material-ui-pigment-css for Next.js and Vite (#43065) @siriwatknp
• [examples] Replace wrong import with @mui/material/styles (#43236) @siriwatknp
• [useMediaQuery] Adapt test implementation for React 19 (#43269) @aarongarciah
• [test] Update matchMedia mocks (#43240) @cherniavskii
• [test] Remove unnecessary ref param (#43282) @aarongarciah
• [website] Update showcase to include Toolpad Core (#43226) @bharatkashyap
• [website] Replace React.MutableRefObject with React.RefObject (#43284) @aarongarciah

All contributors of this release in alphabetical order: @aarongarciah, @alexfauquette, @anle9650, @bharatkashyap, @cherniavskii, @DiegoAndai, @Janpot, @Jay-Karia, @jlewins, @mnajdova, @oliviertassinari, @pluvio72, @renovate[bot], @romgrk, @sai6855, @samuelsycamore, @siriwatknp, @ZeeshanTamboli