We'd like to offer a big thanks to the 13 contributors who made this release possible. Here are some highlights ✨:

• 🔎 Add experimental API for faster filtering performance
• 🌍 Add Chinese (Hong Kong) (zh-HK) locale on the pickers
• 🌍 Improve Romanian (ro-RO) and Hungarian (hu-HU) translations on the pickers and the data grid
• 🐞 Bugfixes
• 📚 Documentation improvements

@mui/x-data-grid@v6.9.1 / @mui/x-data-grid-pro@v6.9.1 / @mui/x-data-grid-premium@v6.9.1

Changes

• [DataGrid] Add Joy UI tooltip and loadingOverlay slots (#9028) @cherniavskii
• [DataGrid] Add section about enabling pagination on Pro and Premium (#8759) @joserodolfofreitas
• [DataGrid] Don't forward editCellState prop to DOM element (#9501) @m4theushw
• [DataGrid] Add experimental API for faster filtering performance (#9254) @romgrk
• [DataGrid] Fix nextFieldToFocus to always be a visible column field when Tab key is pressed (#8314) @yaredtsy
• [DataGrid] Fix Maximum call stack size exceeded error when using fractional width (#9516) @cherniavskii
• [DataGridPro] Don't throw error in column pinning (#9507) @romgrk
• [DataGridPro] Fix bug with checkboxSelection and treeData/grouping (#9418) @romgrk
• [l10n] Improve Romanian (ro-RO) and Hungarian (hu-HU) translations (#9436) @noraleonte

@mui/x-date-pickers@v6.9.1 / @mui/x-date-pickers-pro@v6.9.1

Changes

• [DateTimePicker] Scroll to Digital Clock section only when selection changes (#9434) @LukasTy
• [pickers] Handle keyDown only when input is focused (#9481) @LukasTy
• [pickers] Add referenceDate prop on TimeClock, DigitalClock and MultiSectionDigitalClock (#9356) @flaviendelangle
• [l10n] Add Chinese (Hong Kong) (zh-HK) locale (#9468) @samchiu90
• [l10n] Improve Romanian (ro-RO) translations (#9436) @noraleonte

@mui/x-charts@6.0.0-alpha.1

Changes

• [charts] Take responsive container from data grid (#9497) @alexfauquette
• [charts] Update README.md (#9426) @alexfauquette
• [charts] Fix typo and small refactor (#9526) @flaviendelangle

Docs

• [docs] Add a recipe limiting to one expanded detail panel at a time (#9488) @cherniavskii
• [docs] Add missing upcoming flag without issue (#9449) @oliviertassinari
• [docs] Fix 301 when opening the charts @oliviertassinari
• [docs] Fix 404 link (#9435) @alexfauquette
• [docs] Fix productId logic (#9451) @oliviertassinari
• [docs] Update charts overview.md (#9429) @brentertz
• [docs] Avoid systematic usage of "bg": "inline" (#9499) @alexfauquette
• [docs] Display plan icon in ToC (#9490) @cherniavskii
• [docs] Remove "product" markdown header (#9517) @oliviertassinari

Core

• [core] Add edit-mode to priority support action (#9483) @DanailH
• [core] Fix priority support prompt action (#9472) @DanailH
• [core] Update uses for priority support action (#9480) @DanailH
• [core] Bumb update monorepo (#9476) @alexfauquette
• [CHANGELOG] Fix media quality (#9439) @oliviertassinari
• [CHANGELOG] Remove height img attribute @oliviertassinari
• [test] Skip flaky row pinning tests in JSDOM (#9511) @cherniavskii