We'd like to offer a big thanks to the 15 contributors who made this release possible. Here are some highlights ✨:

• 🌍 Add Catalan (ca-ES), Kazakh (kz-KZ) and improve Spanish (es-ES), Dutch (nl-NL), Hebrew (he-IL), Hungarian (hu-HU), Japanese (ja-JP), Portuguese (pt-BR), and Russian (ru-RU) locales
• ✨ Allow to control the visibility of columns shown in the columns panel (#8401) @MBilalShafi
• 🐞 Bugfixes
• 📚 Documentation improvements

@mui/x-data-grid@v6.1.0 / @mui/x-data-grid-pro@v6.1.0 / @mui/x-data-grid-premium@v6.1.0

Changes

• [DataGrid] Allow controlling visibility of columns shown in the ColumnsPanel component (#8401) @MBilalShafi
• [DataGrid] Fix filters with empty array value not being removed from the filter model (#8501) @cherniavskii
• [DataGrid] Fix memory leaks in development (#8301) @cherniavskii
• [DataGrid] Sync the date column value when entering edit mode by pressing a digit (#8364) @m4theushw
• [DataGrid] Wrap column menu button with a tooltip (#7890) @cherniavskii
• [l10n] Improve Dutch (nl-NL) locale (#8491) @thedutchruben
• [l10n] Improve Hungarian (hu-HU) locale (#8486) @PetakCC
• [l10n] Improve Japanese (ja-JP) locale (#8462) @megos
• [l10n] Improve Portuguese (pt-BR) locale (#8480) @pwnedev
• [l10n] Improve Russian (ru-RU) locale (#8510) @alexrapro

@mui/x-date-pickers@v6.1.0 / @mui/x-date-pickers-pro@v6.1.0

Changes

• [fields] Fix RTL navigation (#8490) @alexfauquette
• [fields] Fix usage of slotProps.textField.InputProps (#8428) @flaviendelangle
• [pickers] Fix componentsProps.dialog propagation (#8509) @LukasTy
• [pickers] Move hasError from fieldValueManager to valueManager (#8453) @flaviendelangle
• [pickers] Move the adapters interface to the X repository (#8412) @flaviendelangle
• [pickers] Update peer dependency versions (#8531) @LukasTy
• [pickers] Fix isValid regression (#8543) @LukasTy
• [l10n] Add Catalan (Spain) (ca-ES) and improve Spanish (es-ES) locales (#8498) @makenshikuro
• [l10n] Add Kazakh (kz-KZ) locale (#8451) @zhunus
• [l10n] Improve Dutch (nl-NL) locale (#8491) @thedutchruben
• [l10n] Improve Hebrew (he-IL) locale (#8464) @soris1989
• [l10n] Improve Japanese (ja-JP) locale (#8462) @megos
• [l10n] Improve Portuguese (pt-BR) locale (#8480) @pwnedev

Docs

• [docs] Fix 301 redirect (#8524) @alexfauquette
• [docs] Fix 404 links (#8454) @alexfauquette
• [docs] Fix broken API reference link (#8460) @oliviertassinari

Core

• [core] Avoid 301 links (#8383) @oliviertassinari
• [core] Fix the l10n helper by using danger instead of actions (#8512) @alexfauquette
• [core] Help contributors for l10n PRs (#8503) @alexfauquette
• [core] Remove legacy token (#8457) @oliviertassinari
• [charts] Add a styling system (#8445) @alexfauquette