We'd like to offer a big thanks to the 11 contributors who made this release possible. Here are some highlights ✨:

• 🎁 We released a new open-source package: @mui/x-charts. This package aims at simplifying the integration of charts into your dashboards. 📊

  

  It already contains line, bar, and scatter charts, with basic customization features. Check out the documentation to see what it can do, and open issues to get the feature you need implemented.

• 🚀 Introducing UTC and timezone support for pickers.

  

  Visit the documentation to learn how to use it.

• 🌍 Improve Brazilian Portuguese (pt-BR) on the data grid

• 🌍 Improve Czech (cs-CZ) locale on the pickers

• 🚅 Performance improvements

• 🐞 Bugfixes

• 📚 Documentation improvements

@mui/x-data-grid@v6.9.0 / @mui/x-data-grid-pro@v6.9.0 / @mui/x-data-grid-premium@v6.9.0

Changes

• [DataGrid] Filtering performance: use unmemoized selectors by default (#9287) @romgrk
• [DataGrid] Use container dimensions from getComputedStyle (#9236) @m4theushw
• [l10n] Improve Brazilian Portuguese (pt-BR) locale (#9404) @julioAz

@mui/x-date-pickers@v6.9.0 / @mui/x-date-pickers-pro@v6.9.0

Changes

• [fields] Ensure minutesStep is respected by fields arrows up/down (#9338) @alexfauquette
• [fields] Reset internal state when referenceValue changes (#9390) @adrianmxb
• [l10n] Improve Czech (cs-CZ) locale (#9397) @radimkafka
• [pickers] Add proper support for UTC and timezones (#8261) @flaviendelangle
• [pickers] Fix field section selection on DateTimePicker (#9342) @LukasTy
• [pickers] Reduce date range calendar vertical border width (#9368) @oliviertassinari
• [pickers] Reset fields internal state when pasting value (#9385) @alexfauquette

@mui/x-charts@v6.0.0-alpha.0

Changes

• [charts] Allow to customize colors based on the theme mode (#9006) @alexfauquette
• [charts] Prepare the charts release (#9361) @alexfauquette
• [charts] Various improvements of charts docs (#9341) @alexfauquette

Docs

• [docs] Add examples of using different time view renderers (#9360) @LukasTy
• [docs] Add recipe for single-click editing (#8365) @m4theushw
• [docs] Fix Base UI references (#9349) @oliviertassinari
• [docs] Fix random screenshot generation (#9364) @cherniavskii
• [docs] Remove random generation from chart doc example (#9343) @flaviendelangle
• [docs] Sync h1 with sidenav link (#9252) @oliviertassinari
• [docs] Use the mui-x Stack Overflow tag (#9352) @oliviertassinari

Core

• [core] Add PR template and update the contributions guide (#9329) @DanailH
• [core] Bump monorepo (#9420) @LukasTy
• [core] Fix file typo (#9421) @DanailH
• [core] Fix proptypes (#9396) @LukasTy
• [core] Move old release notes in CHANGELOG.old.md (#9269) @flaviendelangle
• [core] Add priority support issue template (#8928) @DanailH