Changelog

9.4.0

Jun 4, 2026

We'd like to extend a big thank you to the 21 contributors who made this release possible. Here are some highlights ✨:

🎉 Scheduler is now in Beta shipping with Timeline vitualization and lazy loading
📆 Implement Event Timeline virtualization (#22339)
🫧 Introduce bubble charts (#22537)
🐞 Bugfixes
📚 Documentation improvements

Special thanks go out to these community members for their valuable contributions: @imxv, @mixelburg, @mustafajw07

The following team members contributed to this release: @aemartos, @alexfauquette, @arminmeh, @bernardobelchior, @cherniavskii, @flaviendelangle, @hasdfa, @Janpot, @JCQuintas, @joserodolfofreitas, @LukasTy, @MBilalShafi, @michelengelen, @mj12albert, @noraleonte, @oliviertassinari, @rita-codes, @romgrk, @sai6855

Data Grid

`@mui/x-data-grid@9.4.0`

[DataGrid] Fix avg aggregation when the average is zero (#22652) @mj12albert
[DataGrid] Inherit icon fontSize from baseIconButton size (#22187) @imxv
[DataGrid] Fix noRowsOverlay flicker between dataSource re-fetches (#22465) @LukasTy

`@mui/x-data-grid-pro@9.4.0`

Same changes as in @mui/x-data-grid@9.4.0.

`@mui/x-data-grid-premium@9.4.0`

This release includes a version bump of the @mui/x-internal-exceljs-fork package to address the vulnerable dependencies. The following CVEs are fixed:

https://github.com/advisories/GHSA-ph9p-34f9-6g65

https://github.com/isaacs/minimatch/security/advisories/GHSA-23c5-xmqv-rm74

https://github.com/advisories/GHSA-w5hq-g745-h8pq

To make this security update possible, we bumped the node version requirement from >=14.0.0 to >=14.17.0. Node.js 14.17.0 was released in May 2021, so we consider it safe to bump the requirement without causing issues for our users.

Same changes as in @mui/x-data-grid-pro@9.4.0, plus:

[DataGridPremium] Nested Lazy Loading (#21043) @MBilalShafi
[DataGridPremium] Update exceljs fork (#22658) @cherniavskii

Date and Time Pickers

`@mui/x-date-pickers@9.4.0`

Internal changes.

`@mui/x-date-pickers-pro@9.4.0`

Same changes as in @mui/x-date-pickers@9.4.0.

Charts

`@mui/x-charts@9.4.0`

[charts] Add functionality to hide elements during chart export (#22525) @sai6855
[charts] Add option to show marks only on the first/last values (#22645) @alexfauquette
[charts] Add text customization section and demo for axis labels (#22597) @sai6855
[charts] Allow axes to scale according to the visible series only (#22566) @alexfauquette
[charts] Correctly handle different identifiers for each series (#22556) @sai6855
[charts] Fix inverted Y axis zoom/pan on ordinal scales (#22654) @JCQuintas
[charts] Introduce bubble charts (#22537) @alexfauquette
[charts] Let scatter chart tooltip ignore hidden series (#22614) @alexfauquette
[charts] Make 'sqrt' size mapping the default (#22683) @alexfauquette
[charts] Remove unused proptypes (#22618) @alexfauquette
[charts] Support module augmentation for slots (#22519) @sai6855
[charts] Support multiple marker size in findClosestPoint (#22622) @alexfauquette
[charts] Upgrade bezier-easing to v3 and use it for line chart hit-detection (#22608) @sai6855
[charts] Use useLayoutEffect with ResizeObserver (#22646) @JCQuintas

`@mui/x-charts-pro@9.4.0`

Same changes as in @mui/x-charts@9.4.0, plus:

[charts-pro] Auto-select range button matching current zoom (#22137) @JCQuintas
[charts-pro] Support range values in initialZoom (#22563) @JCQuintas

`@mui/x-charts-premium@9.4.0`

Same changes as in @mui/x-charts-pro@9.4.0, plus:

[charts-premium] Support range-bar series in WebGL bar renderer (#22607) @JCQuintas
[charts-premium] Fix onAxisClick for radial bar and lines (#22522) @alexfauquette

Tree View

`@mui/x-tree-view@9.4.0`

Internal changes.

`@mui/x-tree-view-pro@9.4.0`

Same changes as in @mui/x-tree-view@9.4.0.

Scheduler

Breaking changes

The theme styleOverrides slots for the skeleton and the error container were renamed and unified. The CSS utility class names (for example .MuiEventCalendar-eventSkeleton) are not affected — only theme.components.* overrides need updating.

Event skeleton

Before	After
`MuiEventCalendar` slot `EventSkeleton`	`MuiEventSkeleton` slot `Root`
`MuiEventTimeline` slot `EventSkeleton`	`MuiEventSkeleton` slot `Root`

Error container

Before	After
`MuiEventCalendar` / `MuiEventTimeline` slot `ErrorContainer`	`MuiEventErrorContainer` slot `Root`
`MuiEventCalendar` / `MuiEventTimeline` slot `ErrorAlert`	`MuiEventErrorContainer` slot `Alert`
`MuiEventCalendar` / `MuiEventTimeline` slot `ErrorMessage`	`MuiEventErrorContainer` slot `Message`

If you customized these through the theme, update the component name and slot names accordingly:

 components: {
-  MuiEventCalendar: {
+  MuiEventSkeleton: {
     styleOverrides: {
-      EventSkeleton: { /* ... */ },
+      Root: { /* ... */ },
     },
    },
  },
 }

`@mui/x-scheduler@9.0.0-beta.0`

[scheduler] Add a prop to control whether the resource of an event can be cleared (#22464) @rita-codes
[scheduler] Add week number labels to agenda, day and week views (#22594) @mustafajw07
[scheduler] Add weekStartsOn preference and update date functions to support custom week start (#22426) @mustafajw07
[scheduler] Export premium version of the standalone views (#22621) @flaviendelangle
[scheduler] Implement timeline virtualization (#22339) @romgrk
[scheduler] Split scheduler overview (#22453) @joserodolfofreitas
[scheduler] Unify EventSkeleton and ErrorContainer between EventCalendar and EventTimeline (#22676) @noraleonte

`@mui/x-scheduler-premium@9.0.0-beta.0`

Same changes as in @mui/x-scheduler@9.0.0-beta.0.

Docs

[docs] Add a performance docs page for charts (#22656) @alexfauquette
[docs] Add real dataset for maps documentation (#22599) @alexfauquette
[docs] Add spacing between selects on charts overview demo (#22589) @bernardobelchior
[docs] Reorganize existing chat docs navigation (#22478) @hasdfa
[docs] Switch to visionscarto's world atlas dataset (#22669) @cherniavskii
[docs] Update TreeView domstructure docs and add demo (#22420) @mj12albert
[docs] Fix indexation of Scheduler (#22567) @oliviertassinari
[docs] Fix wide layout on event timeline lazy loading and Import title (#22604) @rita-codes
[docs] Derive class name owners for shared charts classes (#22674) @JCQuintas

Core

[code-infra] Drop unused and now-transitive deps from docs/package.json (#22549) @LukasTy
[code-infra] Refresh CI Node pins to 22.22.3 (#22598) @LukasTy
[code-infra] Skip empty product sections in changelog (#22541) @rita-codes
[code-infra] Stabilize DataGridScrollRestoration visual regression test (#22553) @Janpot
[internal] Add license to the x-data-grid-generator (#22240) @arminmeh
[internal] Express default value for resource_class (#22569) @oliviertassinari
[internal] Fix use of ellipsis (#21852) @oliviertassinari
[internal] useLayoutEffect with ResizeObserver (#22428) @romgrk

Miscellaneous

[chat-headless] Add built-in chat adapters (#22479) @hasdfa
[chat-headless] Harden runtime model and message errors (#22480) @hasdfa
[core] Prepare for TypeScript 6 bump (#22551) @LukasTy
[core] Use CircleCI Gen2 resource classes (#22610) @LukasTy
[infra] Fix broken tag retrieval on master during release (#22174) @michelengelen
[infra] Group Base UI renovate updates (#22590) @LukasTy
[pnpm] Add security settings to pnpm-workspace.yaml (#22611) @Janpot
[release] Fix release PR scripts (#22680) @JCQuintas
[test] Add a Tree View regression test for lazy loading with getChildrenCount returning -1 (#22605) @mixelburg
[test] Disable LCD subpixel antialiasing in regression screenshots (#22602) @Janpot
[test] Fix flaky Data Grid Pro data source tree data tests (#22659) @LukasTy
[test] Remove stale form-submit TODO from e2e suite (#22564) @LukasTy
[x-license] Exclude test keys from the published npm package (#22647) @aemartos
[test] Fix flaky WebGL benchmark by polling for canvas content (#22535) @JCQuintas

9.3.0

May 21, 2026

We'd like to extend a big thank you to the 16 contributors who made this release possible. Here are some highlights ✨:

📆 Refactor Calendar Range drag editing to use Pointer Events instead of drag and touch events combination (#22279)
✨ Apply lazy loading to EventTimelinePremium (#22308)
🐞 Bugfixes
📚 Documentation improvements
🌎 Added Norwegian bokmål (nb-NO) locale to the Scheduler
🌎 Improved Swedish (sv-SE) locale on the Data Grid

Special thanks go out to these community members for their valuable contributions: @Anexus5919, @jvskriubakken, @oscar-b, @rin, @viktormelin

The following team members contributed to this release: @aemartos, @alexfauquette, @arminmeh, @Janpot, @JCQuintas, @LukasTy, @mj12albert, @oliviertassinari, @rita-codes, @romgrk, @sai6855

Data Grid

`@mui/x-data-grid@9.3.0`

[DataGrid] Fix scrollbar disappearing after multiple resizes (#22512) @LukasTy
[DataGrid] Revert "Add support for pinned columns in GridVirtualScroller" (#22467) @oliviertassinari
[l10n] Improve Swedish (svSE) locale (#21851) @viktormelin

`@mui/x-data-grid-pro@9.3.0`

Same changes as in @mui/x-data-grid@9.3.0.

`@mui/x-data-grid-premium@9.3.0`

Same changes as in @mui/x-data-grid-pro@9.3.0.

Date and Time Pickers

`@mui/x-date-pickers@9.3.0`

[pickers] Fix disabled state styling for PickersTextField standard and filled variants (#22189) @LukasTy
[pickers] Fix previous month disabled state calculation (#22524) @mj12albert
[pickers] Merge slotProps.sectionContent in PickersInputBase (#22324) @rin

`@mui/x-date-pickers-pro@9.3.0`

Same changes as in @mui/x-date-pickers@9.3.0, plus:

[DateRangeCalendar] Use Pointer Events for drag editing (#22279) @LukasTy

Charts

`@mui/x-charts@9.3.0`

[charts] Add data-series to elements of radar chart (#22523) @alexfauquette
[charts] Add environment check for warning messages in axis and radar hooks (#22506) @sai6855
[charts] Chart seriesConfig deduplication for lines and bars (#22257) @sai6855
[charts] Fix highlighted item crash (#22539) @oscar-b
[charts] Fix the line and mark class (#22526) @alexfauquette
[charts] Fix use of deprecated API in docs (#22469) @oliviertassinari
[charts] Improve performance of evaluateCurveY function (#22407) @sai6855

`@mui/x-charts-pro@9.3.0`

Same changes as in @mui/x-charts@9.3.0.

`@mui/x-charts-premium@9.3.0`

Same changes as in @mui/x-charts-pro@9.3.0, plus:

[charts-premium] Add closePath option to the radial line series (#22517) @alexfauquette

Tree View

`@mui/x-tree-view-pro@9.3.0`

Internal changes.

Scheduler

`@mui/x-scheduler@9.0.0-alpha.7`

[I10n] Add Norwegian bokmål (nb-NO) locale (#22415) @jvskriubakken

`@mui/x-scheduler-premium@9.0.0-alpha.7`

Same changes as in @mui/x-scheduler@9.0.0-alpha.7, plus:

[scheduler] Apply lazy loading to EventTimelinePremium (#22308) @rita-codes
[scheduler] Deduplicate staged ranges within the debounce window (#22476) @Anexus5919
[scheduler] Pass full event objects to dataSource.updateEvents (#22462) @rita-codes

Docs

[docs] Automatically update supported versions (#21850) @arminmeh
[docs] Fix New label on bar charts docs (#22473) @oliviertassinari
[docs] Improve premium page header for charts (#22474) @oliviertassinari
[docs] Sync README with licensing/licensing.md in scheduler (#22468) @oliviertassinari

Core

[code-infra] Cover docs overview composites with Argos (#22283) @LukasTy
[code-infra] Enable mui/no-presentation-role lint rule (#22360) @Janpot
[code-infra] Make generated propTypes union order deterministic (#22521) @JCQuintas
[code-infra] Make screenshots stable across different ordering of the tests (#22449) @Janpot
[code-infra] Optimize visual regression testing (#22447) @Janpot
[code-infra] Replace markdownlint with remark from code-infra (#22255) @Janpot

Miscellaneous

[virtualizer] Improve controlled mode performance (#22123) @romgrk
[data-grid-generator] Include tree-data params in useDemoData cache key (#22456) @Janpot
[test] Fix flaky browser tests and optimize (#22431) @Janpot
[test] Speed up test_types job (#22442) @Janpot
[test] Trim ffmpeg install in test_regressions (#22459) @Janpot
[test] Add WebGL performance benchmarks for charts (#22471) @JCQuintas
[test] Expand chart performance benchmarks for charts (#22472) @JCQuintas
[x-license] use workspace dep for v9 in cross-major compat tests (#22504) @aemartos

9.2.0

May 13, 2026

We'd like to extend a big thank you to the 9 contributors who made this release possible. Here are some highlights ✨:

⚡️ Add a WebGL renderer to the Bar chart
📊 Add a radial charts with the radial line, radial bar, and the radial grid and axes
🐞 Bugfixes
📚 Documentation improvements

Special thanks go out to these community members for their valuable contributions: @Anexus5919, @mustafajw07

The following team members contributed to this release: @aemartos, @alexfauquette, @bernardobelchior, @JCQuintas, @oliviertassinari, @sai6855, @siriwatknp

Data Grid

`@mui/x-data-grid@9.2.0`

[data grid] Add support for pinned columns in GridVirtualScroller (#22347) @sai6855
[data grid] Remove unused CSS (#22390) @oliviertassinari

`@mui/x-data-grid-pro@9.2.0`

Same changes as in @mui/x-data-grid@9.2.0.

`@mui/x-data-grid-premium@9.2.0`

Same changes as in @mui/x-data-grid-pro@9.2.0.

Date and Time Pickers

`@mui/x-date-pickers@9.2.0`

[pickers] Trim test helpers' default load graph (#22421) @JCQuintas

`@mui/x-date-pickers-pro@9.2.0`

Same changes as in @mui/x-date-pickers@9.2.0.

Charts

`@mui/x-charts@9.2.0`

Internal changes.

`@mui/x-charts-pro@9.2.0`

Same changes as in @mui/x-charts@9.2.0.

`@mui/x-charts-premium@9.2.0`

Same changes as in @mui/x-charts-pro@9.2.0, plus:

[charts-premium] Add Highlight support to RadialBarChart (#22322) @alexfauquette
[charts-premium] Add WebGL renderer to BarChartPremium (#22354) @JCQuintas
[charts-premium] Add mark shape support to the radial line (#22242) @alexfauquette
[charts-premium] RadialBarChart support axis interaction with layout horizontal (#22319) @alexfauquette

Tree View

`@mui/x-tree-view@9.1.0`

Internal changes.

`@mui/x-tree-view-pro@9.1.0`

Same changes as in @mui/x-tree-view@9.1.0.

Scheduler

`@mui/x-scheduler@9.0.0-alpha.6`

[scheduler] Complete ARIA grid semantics on EventTimeline and EventCalendar (#22266) @Anexus5919
[scheduler] Improve UX for recurrence tab (#22287) @mustafajw07

`@mui/x-scheduler-premium@9.0.0-alpha.6`

Same changes as in @mui/x-scheduler@9.0.0-alpha.6.

Codemod

`@mui/x-codemod@9.1.0`

Internal changes.

Docs

[docs] Document the RadialBarChart (#22320) @alexfauquette
[docs] Add histogram demo to bar-demo page (#22373) @siriwatknp
[docs] Add radial bar to the nav bar (#22429) @alexfauquette
[docs] Split radial grid and radial line pages (#22238) @alexfauquette

Miscellaneous

[test] Disable animations in chart benchmarks (#22433) @bernardobelchior
[test] Move x-internal-gestures vitest isolate flag to test block (#22427) @JCQuintas
[test] Reduce flakiness in MobileTimeRangePicker multi-input describeValue tests (#22422) @JCQuintas
[x-license] Exclude compat test pins from Renovate major bumps (#22414) @aemartos
[x-license] Add cross-major license format compatibility tests (#22335) @aemartos

9.1.0

May 8, 2026

We'd like to extend a big thank you to the 14 contributors who made this release possible. Here are some highlights ✨:

⚡️ Add a WebGL renderer to the Scatter chart, and apply the same WebGL performance patterns to the candlestick and heatmap [Premium]
🐞 Bugfixes
📚 Documentation improvements

Special thanks go out to these community members for their valuable contributions: @Anexus5919, @gaetanodanelli, @imazizbohra, @mustafajw07

The following team members contributed to this release: @alexfauquette, @brijeshb42, @flaviendelangle, @JCQuintas, @LukasTy, @mapache-salvaje, @MBilalShafi, @michelengelen, @oliviertassinari, @rita-codes

Data Grid

`@mui/x-data-grid@9.1.0`

[DataGrid] Fix accessibility violation in detail panel toggle column header (#22178) @michelengelen
[DataGrid] Fix active filter detection for array values (#22340) @MBilalShafi
[DataGrid] Fix crash when grouping/tree-data values match Object.prototype property names (#22312) @LukasTy
[DataGrid] Position overlays below top pinned rows (#22341) @MBilalShafi
[l10n] Improve Italian (it-IT) locale (#22290) @gaetanodanelli

`@mui/x-data-grid-pro@9.1.0`

Same changes as in @mui/x-data-grid@9.1.0, plus:

[DataGridPro] Fix column unpin restoring stale position after reorder (#22250) @michelengelen

`@mui/x-data-grid-premium@9.1.0`

Same changes as in @mui/x-data-grid-pro@9.1.0, plus:

[DataGridPremium] Fix aggregation column header title truncation without ellipsis (#22248) @michelengelen

Date and Time Pickers

`@mui/x-date-pickers@9.1.0`

[pickers] Fix duplicate hour label in MultiSectionDigitalClock on DST day (#22110) @LukasTy
[l10n] Improve Italian (it-IT) locale (#22290) @gaetanodanelli

`@mui/x-date-pickers-pro@9.1.0`

Same changes as in @mui/x-date-pickers@9.1.0.

Charts

`@mui/x-charts@9.1.0`

[charts] Add ChartsAxisHighlightValue component (#21803) @Copilot
[charts] Create ChartsRadialAxisHighlight (#22241) @alexfauquette
[charts] Remove useless extends (#22313) @alexfauquette
[charts] Use PolarAxisConfig in polar plugin internals (#22315) @alexfauquette

`@mui/x-charts-pro@9.1.0`

Same changes as in @mui/x-charts@9.1.0.

`@mui/x-charts-premium@9.1.0`

Same changes as in @mui/x-charts-pro@9.1.0, plus:

[charts-premium] Add WebGL renderer to ScatterChartPremium (#22157) @JCQuintas
[charts-premium] Add highlight to the RadialLineChart (#22156) @alexfauquette
[charts-premium] Apply WebGL perf patterns to candlestick + heatmap (#22223) @JCQuintas
[charts-premium] Introduce the RadialBarChart (#22268) @alexfauquette

Tree View

`@mui/x-tree-view@9.1.0`

[tree view] Fix stale Tree View apiRef after keyed remount (#22342) @MBilalShafi

`@mui/x-tree-view-pro@9.1.0`

Same changes as in @mui/x-tree-view@9.1.0.

Scheduler

`@mui/x-scheduler@9.0.0-alpha.5`

[scheduler] Make EventItem interactive by integrating button props for keyboard accessibility (#22160) @mustafajw07
[scheduler] Migrate color switch to Base UI ToggleGroup (#22254) @flaviendelangle
[scheduler] Rename Scheduler headless packages (#22273) @rita-codes
[scheduler] Use TreeView for the resource sidebar (#22261) @flaviendelangle
[scheduler] Use fieldset/legend instead of headings for form sections in the event dialog (#22095) @Anexus5919
[scheduler] Added position: relative for consistent layout (#22284) @mustafajw07
[l10n] Improve Italian (it-IT) locale (#22290) @gaetanodanelli

`@mui/x-scheduler-premium@9.0.0-alpha.5`

Same changes as in @mui/x-scheduler@9.0.0-alpha.5, plus:

[scheduler] Replace per-view headers with a generic EventTimelinePremiumHeader in the EventTimeline (#22222) @rita-codes

Codemod

`@mui/x-codemod@9.1.0`

Internal changes.

Docs

[docs] Migrate FlightPicker overview demo to v9 slotProps shape (#22272) @LukasTy
[docs] Standardize Scheduler docs style and formatting (#22161) @mapache-salvaje
[docs] Add feedback form to the scheduler docs (#22237) @rita-codes
[docs] Fix GridToolbarCustom demo crash in DataGrid (#21950) @MBilalShafi
[docs] Do not resolve axes in charts (#22307) @alexfauquette
[docs] Fix no longer valid link (#22371) @LukasTy
[docs] Replace broken CodeSandbox iframes in migration guides (#22352) @LukasTy

Core

[code-infra] Bump browser testTimeout to absorb React 19 slowness (#22236) @LukasTy
[code-infra] Use vale rules from code-infra package (#22256) @brijeshb42
[code-infra] Fix broken valelint and docs build (#22362) @LukasTy
[internal] Prepare renaming LICENSE file to LICENSE.md (#22055) @imazizbohra
[internal] Remove outdated .woff files (#22286) @oliviertassinari
[internal] Replace Codspeed with @mui/internal-benchmark for charts (#22243) @JCQuintas

Miscellaneous

[internal-gestures] Add passive option to TurnWheelGesture (#22349) @JCQuintas
[internal-gestures] Enforce pointer-type filter in ShadowRoot branch (#22327) @JCQuintas
[internal-gestures] Improve passive event listener handling (#22329) @JCQuintas
[internal-gestures] Inline wheel-delta clamp per axis (#22331) @JCQuintas
[internal-gestures] Return read-only pointer map without copy (#22330) @JCQuintas
[internal-gestures] Track multi-tap reset timeout to prevent leak (#22326) @JCQuintas

9.0.4

Apr 28, 2026

We'd like to extend a big thank you to the 4 contributors who made this release possible. Here are some highlights ✨:

Fix Pickers previous (v9.0.3) release ensuring the latest @mui/x-internals version usage

The following team members contributed to this release: @alexfauquette, @JCQuintas, @LukasTy, @mj12albert

Data Grid

`@mui/x-data-grid@9.0.4`

Internal changes.

`@mui/x-data-grid-pro@9.0.4`

Same changes as in @mui/x-data-grid@9.0.4.

`@mui/x-data-grid-premium@9.0.4`

Same changes as in @mui/x-data-grid-pro@9.0.4.

Date and Time Pickers

`@mui/x-date-pickers@9.0.4`

Internal changes.

`@mui/x-date-pickers-pro@9.0.4`

Same changes as in @mui/x-date-pickers@9.0.4.

Charts

`@mui/x-charts@9.0.4`

[charts] Exclude hidden series and items from keyboard navigation (alt approach) (#22221) @JCQuintas
[charts] Fix line interaction with area and conectNulls (#22227) @alexfauquette
[charts] Implement the continuous case of getAxisIndex for rotation axis (#22230) @alexfauquette

`@mui/x-charts-pro@9.0.4`

Same changes as in @mui/x-charts@9.0.4.

`@mui/x-charts-premium@9.0.4`

Same changes as in @mui/x-charts-pro@9.0.4 plus:

[charts-premium] Add showMark and shape properties to radial line (#22226) @alexfauquette

Tree View

`@mui/x-tree-view@9.0.4`

Internal changes.

`@mui/x-tree-view-pro@9.0.4`

Same changes as in @mui/x-tree-view@9.0.4.

Scheduler

`@mui/x-scheduler@9.0.4`

Internal changes.

`@mui/x-scheduler-premium@9.0.4`

Same changes as in @mui/x-scheduler@9.0.4.

Codemod

`@mui/x-codemod@9.0.4`

Internal changes.

Docs

[docs] Update WCAG links (#22234) @mj12albert

Core

[code-infra] Avoid overriding renovate ignoredPaths (#22228) @LukasTy

9.0.3

Apr 27, 2026

We'd like to extend a big thank you to the 16 contributors who made this release possible. Here are some highlights ✨:

⌨️ Keyboard support for creating events in the Scheduler

Special thanks go out to these community members for their valuable contributions: @supunsathsara, @ZAKIURREHMAN

The following team members contributed to this release: @aemartos, @alexfauquette, @arminmeh, @brijeshb42, @Janpot, @JCQuintas, @LukasTy, @MBilalShafi, @michelengelen, @oliviertassinari, @rita-codes, @romgrk, @sai6855, @siriwatknp

Data Grid

`@mui/x-data-grid@9.0.3`

[DataGrid] Fix :first-child SSR warning when MuiDataGrid.styleOverrides is set (#22081) @siriwatknp
[DataGrid] Fix row reordering when filter hides rows (#22096) @siriwatknp
[DataGrid] Remove unused LayoutDataGridLegacy class (#22009) @romgrk
[DataGrid] Remove unused code, clean up grid-related utilities and deprecate GridPanelHeader (#22112) @sai6855
[DataGrid] Fix columns cutting off after resizing (#22088) @ZAKIURREHMAN

`@mui/x-data-grid-pro@9.0.3`

Same changes as in @mui/x-data-grid@9.0.3.

`@mui/x-data-grid-premium@9.0.3`

Same changes as in @mui/x-data-grid-pro@9.0.3, plus:

[DataGridPremium] Fix row grouping model updates not being reflected (#22122) @MBilalShafi

Date and Time Pickers

`@mui/x-date-pickers@9.0.3`

[pickers] Fix DateRangeCalendar drag with AdapterDayjs plain-constructor values (#22165) @LukasTy
[pickers] Fix disabled state not overriding error border color (#21169) @supunsathsara
[pickers] Forward data-* and aria-* attributes to the root (#22147) @LukasTy
[pickers] Support K and k hour format tokens (#22108) @michelengelen

`@mui/x-date-pickers-pro@9.0.3`

Same changes as in @mui/x-date-pickers@9.0.3, plus:

[DateRangeCalendar] Ensure date dragging triggers regardless of trigger element (#21868) @michelengelen

Charts

`@mui/x-charts@9.0.3`

[charts] Centralize WebGL clear/render cycle (context-based) (#22127) @JCQuintas
[charts] Fix closest series detection for line charts (#22168) @alexfauquette
[charts] Fix radius grid lines when axis uses point scale (#22134) @alexfauquette
[charts] Use cubic solver for berzier intersection (#22152) @alexfauquette

`@mui/x-charts-pro@9.0.3`

Same changes as in @mui/x-charts@9.0.3, plus:

[charts-pro] Fix wheel zoom clamping with custom minStart/maxEnd (#22159) @JCQuintas

`@mui/x-charts-premium@9.0.3`

Same changes as in @mui/x-charts-pro@9.0.3, plus:

[charts] Create a 'radialLine' series type (#22066) @alexfauquette
[charts] Plot radial line (#22133) @alexfauquette
[charts] Remove HeatmapWebGLRenderer indirection (#22169) @JCQuintas

Tree View

`@mui/x-tree-view@9.0.2`

Internal changes.

`@mui/x-tree-view-pro@9.0.2`

Same changes as in @mui/x-tree-view@9.0.2.

Scheduler

Breaking changes

The views of EventTimelinePremium have been renamed to presets, with names that describe the header layout. The props view/defaultView/views/onViewChange are now preset/defaultPreset/presets/onPresetChange, and the type EventTimelinePremiumView is now EventTimelinePremiumPreset.

Old	New
`time`	`dayAndHour`
`days`	`day`
`weeks`	`dayAndWeek`
`months`	`monthAndYear`
`years`	`year`

CSS variables (--time-cell-width, etc.) and headless store state (state.view, setView) follow the same rename. The presets array is now sorted internally against a canonical zoom order.

`@mui/x-scheduler@9.0.0-alpha.3`

[scheduler] Allow creating events via keyboard - EventCalendar (#21967) @rita-codes
[scheduler] Prefix element IDs with a unique Scheduler instance ID (#22109) @rita-codes

`@mui/x-scheduler-premium@9.0.0-alpha.3`

Same changes as in @mui/x-scheduler@9.0.0-alpha.3.

[scheduler] Allow creating events via keyboard - EventTimeline (#22119) @rita-codes
[scheduler] Rename EventTimeline views to ordered presets (#22130) @rita-codes

Docs

[docs] Cleanup generated llm md files for chat (#22163) @brijeshb42
[docs] Fix highlightScope description (#22154) @alexfauquette
[docs] Remove obsolete v7 deprecation warning for dayOfWeekFormatter (#22111) @LukasTy
[docs] Use mui.com for broken links checker known targets (#22129) @JCQuintas
[docs] Document picker behavior inside MUI Dialog and provide recommended solutions (#22144) @michelengelen
[docs] Improve v9 license key version mismatch error guidance (#22180) @aemartos

Core

[code-infra] Reduce concurrency for package build to 5 (#22115) @Janpot
[code-infra] Rename docsx alias to docs (#22155) @brijeshb42
[docs-infra] Remove monorepo dependency (#22025) @brijeshb42
[docs-infra] Use latest published packages (#22086) @brijeshb42
[test] Refactor Pickers tests to async user-event (#22043) @LukasTy
[test] Remove redundant explicit unmount() calls from Pickers tests (#22118) @LukasTy

Miscellaneous

[infra] Update .gitignore to exclude .claude/worktrees (#22145) @michelengelen
[infra] Enable branch tracking when creating release branch (#22177) @michelengelen
[license] Add MIT license to x-virtualizer package (#22164) @michelengelen
[website] Fix outdated MUI logos (#22117) @oliviertassinari
[internal] Try avoiding store update when virtualization is disabled (#22093) @arminmeh

9.0.2

Apr 15, 2026

We'd like to extend a big thank you to the 12 contributors who made this release possible. Here are some highlights ✨:

📊 Added valueGetter to axes and series configurations, which allow for dynamically getting data out of a dataset.
🐞 Bugfixes
📚 Docs updates

Special thanks go out to these community members for their valuable contributions: @Anexus5919, @nk10nikhil

The following team members contributed to this release: @aemartos, @alexfauquette, @brijeshb42, @Janpot, @JCQuintas, @LukasTy, @MBilalShafi, @michelengelen, @rita-codes, @sai6855

Data Grid

`@mui/x-data-grid@9.0.2`

[DataGrid] Fix skeleton overlay backdrop issue (#21951) @MBilalShafi
[DataGrid] Make overridesResolver of ResizablePanelHandle dynamic (#21724) @sai6855

`@mui/x-data-grid-pro@9.0.2`

Same changes as in @mui/x-data-grid@9.0.2.

`@mui/x-data-grid-premium@9.0.2`

Same changes as in @mui/x-data-grid-pro@9.0.2.

Date and Time Pickers

`@mui/x-date-pickers@9.0.2`

[fields] Allow openPickerButtonPosition on single-input range fields (#22011) @LukasTy
[pickers] Fix spurious onBlur/onFocus firing during field focus transitions (#22098) @LukasTy
[pickers] Use convertToMeridiem utility in transferDateSectionValue (#22062) @michelengelen

`@mui/x-date-pickers-pro@9.0.2`

Same changes as in @mui/x-date-pickers@9.0.2.

Charts

`@mui/x-charts@9.0.2`

[charts] Add valueGetter to axes and series (#21963) @JCQuintas
[charts] Create a ChartsRadialDataProvider (#22047) @alexfauquette
[charts] Create a ChartsRadialGrid (#22085) @alexfauquette
[charts] Deprecate Scatter component (#22060) @JCQuintas
[charts] Remove duplicate useThemeProps call (#22045) @alexfauquette
[charts] Simplify focus state handling in BarElement component (#22101) @sai6855

`@mui/x-charts-pro@9.0.2`

Same changes as in @mui/x-charts@9.0.2, plus:

[charts-pro] Add range buttons to toolbar (#21964) @JCQuintas

`@mui/x-charts-premium@9.0.2`

Same changes as in @mui/x-charts-pro@9.0.2.

Tree View

`@mui/x-tree-view@9.0.2`

Internal changes.

`@mui/x-tree-view-pro@9.0.2`

Same changes as in @mui/x-tree-view@9.0.2, plus:

[tree view] Move lazyLoadedItems initialization to state initializer (#22073) @michelengelen

Scheduler

`@mui/x-scheduler@9.0.0-alpha.2`

[scheduler] Add recurrence icon to recurring events in EventTimeline (#22019) (#22046) @nk10nikhil
[scheduler] Reset scroll position when navigating to a new time period (#22036) @Anexus5919
[l10n] Improve German (de-DE) locale (#21944) @rita-codes
[l10n] Improve Portuguese - Portugal (pt-PT) locale & Improve Portuguese - Brazil (pt-BR) locale (#21943) @rita-codes

`@mui/x-scheduler-premium@9.0.0-alpha.2`

Same changes as in @mui/x-scheduler@9.0.0-alpha.2.

Chat

`@mui/x-chat@9.0.0-alpha.1`

Internal changes.

`@mui/x-chat-headless@9.0.0-alpha.1`

Internal changes.

Docs

[docs] Add data grid isAnyOf paste recipe (#21961) @MBilalShafi
[docs] Add @mui/material upgrade requirement to v9 migration guides (#22068) @LukasTy
[docs] Fix pages width with disableToc (#22051) @LukasTy
[docs] Split charts axis page (#22069) @alexfauquette
[docs] Update ChartsRadialDataProvider API page imports (#22072) @JCQuintas

Core

[code-infra] Fix lock file (#22053) @JCQuintas
[code-infra] Limit release:build lerna concurrency to 6 (#22077) @Janpot
[docs-infra] Update monorepo dependency with relevant migration (#22041) @brijeshb42

Miscellaneous

[telemetry] Skip runtime resolution when telemetry is disabled (#22078) @aemartos
[test] Remove v7 suffix from test helpers and stale comments (#22023) @LukasTy
[scheduler] Fix README for published packages (#22042) @rita-codes

9.0.1

Apr 8, 2026

We'd like to extend a big thank you to the 8 contributors who made this release possible. Here are some highlights ✨:

Docs updates 📚
Chat release 🥳

Special thanks go out to community member @mixelburg for their valuable contribution.

The following team members contributed to this release: @alexfauquette, @cherniavskii, @hasdfa, @Janpot, @LukasTy, @MBilalShafi, @rita-codes

Data Grid

`@mui/x-data-grid@9.0.1`

[DataGrid] Fix processRowUpdate invoked when cancelling edit for non-existent rows (#21990) @mixelburg
[DataGrid] Remove flaky argos tests (#22034) @MBilalShafi

`@mui/x-data-grid-pro@9.0.1`

Same changes as in @mui/x-data-grid@9.0.1.

`@mui/x-data-grid-premium@9.0.1`

Same changes as in @mui/x-data-grid-pro@9.0.1.

Charts

`@mui/x-charts@9.0.1`

[charts] Small code cleanup (#22031) @alexfauquette

`@mui/x-charts-pro@9.0.1`

Same changes as in @mui/x-charts@9.0.1.

`@mui/x-charts-premium@9.0.1`

Same changes as in @mui/x-charts-pro@9.0.1.

Tree View

`@mui/x-tree-view@9.0.1`

Internal changes.

`@mui/x-tree-view-pro@9.0.1`

Same changes as in @mui/x-tree-view@9.0.1.

Scheduler

`@mui/x-scheduler@9.0.0-alpha.1`

Internal changes.

`@mui/x-scheduler-premium@9.0.0-alpha.1`

Same changes as in @mui/x-scheduler@9.0.0-alpha.1.

Chat

`@mui/x-chat@9.0.0-alpha.0`

[chat] Add x-chat package family (#21666) @hasdfa

`@mui/x-chat-headless@9.0.0-alpha.0`

[chat] Add x-chat package family (#21666) @hasdfa

Docs

[docs] Add charts a11y page in the menu (#22028) @alexfauquette
[docs] Signal BC severity in v8 to v9 pickers migration guide (#22026) @LukasTy
[docs] Use the same heading level data grid packages (#22024) @cherniavskii

Core

[code-infra] Fix changelog generator for Premium-without-Pro products (#22029) @LukasTy
[code-infra] Remove @mui/x-charts-vendor check in ci (#22030) @alexfauquette
[code-infra] Remove push to remote fallback in release script (#22021) @Janpot

Miscellaneous

[code] Fix few typos in JSDocs and error messages (#22032) @alexfauquette
[core] Post stable release changes (#22033) @LukasTy
[core-infra] Update monorepo hash and remove temporary patch (#22038) @rita-codes

9.0.0

Apr 8, 2026

🥳 We're excited to announce the stable release of MUI X v9! This major release includes many new features and improvements. Here are some highlights ✨:

Data Grid – Charts integration [Premium]
Data Grid – AI Assistant [Premium]
Data Grid – Undo and redo [Premium]
Data Grid – Drag fill [Premium]
Data Grid – longText column type
Charts – Interaction and accessibility
Charts – Candlestick [Premium]
Charts – Range bar charts [Premium]
Charts – WebGL Heatmap renderer [Premium]
Tree View – Virtualization [Pro]
New Scheduler packages [Alpha]

We'd like to extend a big thank you to the 5 contributors who made this release possible. The following team members contributed to this release: @DanailH, @LukasTy, @MBilalShafi, @oliviertassinari, @siriwatknp

Data Grid

`@mui/x-data-grid@9.0.0`

Internal changes.

`@mui/x-data-grid-pro@9.0.0`

Same changes as in @mui/x-data-grid@9.0.0, plus:

[DataGridPro] Preserve parent selection for non-selectable children (#21132) @MBilalShafi

`@mui/x-data-grid-premium@9.0.0`

Same changes as in @mui/x-data-grid-pro@9.0.0, plus:

[DataGridPremium] Drag fill (#21717) @MBilalShafi

Date and Time Pickers

Breaking changes

Removed the legacy Pickers and Field TextField props (for example: InputProps) in favor of the nested slotProps. Read more
The utils field in PickersAdapterContextValue has been removed in favor of the adapter field. This should no longer affect you, as the context export has also been removed.
MuiPickersAdapterContext export has been removed. Prefer using the usePickerAdapter hook. Read more.

`@mui/x-date-pickers@9.0.0`

[pickers] Refactor PickersTextField to use slotProps approach (#22002) @LukasTy
[pickers] Remove deprecated LocalizationProvider legacy API (#22010) @LukasTy

`@mui/x-date-pickers-pro@9.0.0`

Same changes as in @mui/x-date-pickers@9.0.0.

Charts

`@mui/x-charts@9.0.0`

Internal changes.

`@mui/x-charts-pro@9.0.0`

Same changes as in @mui/x-charts@9.0.0.

`@mui/x-charts-premium@9.0.0`

Same changes as in @mui/x-charts-pro@9.0.0.

Tree View

`@mui/x-tree-view@9.0.0`

Internal changes.

`@mui/x-tree-view-pro@9.0.0`

Same changes as in @mui/x-tree-view@9.0.0.

Scheduler

`@mui/x-scheduler@9.0.0-alpha.0`

Internal changes.

`@mui/x-scheduler-premium@9.0.0-alpha.0`

Same changes as in @mui/x-scheduler@9.0.0-alpha.0.

Codemod

`@mui/x-codemod@9.0.0`

Internal changes.

Docs

[docs] Add explanation for v8 -> v9 license migration (#22004) @DanailH

Core

[code-infra] Optimize dependency definition (#22006) @LukasTy
[internal] Prepare v9 stable (#22018) @siriwatknp
[internal] Remove 'conf' from codebase (#21989) @oliviertassinari

9.0.0-rc.0

Apr 7, 2026

We'd like to extend a big thank you to the 18 contributors who made this release possible.

Special thanks go out to these community members for their valuable contributions: @mixelburg, @sibananda485, @youjin-hong

The following team members contributed to this release: @aemartos, @alexfauquette, @arminmeh, @brijeshb42, @flaviendelangle, @JCQuintas, @LukasTy, @mapache-salvaje, @MBilalShafi, @michelengelen, @noraleonte, @rita-codes, @romgrk, @siriwatknp, @ZeeshanTamboli

Data Grid

`@mui/x-data-grid@9.0.0-rc.0`

[DataGrid] Rename filter panel Columns label to singular Column (#21935) @youjin-hong
[DataGrid] Export GridColumnUnsortedIconProps for custom column icon slots (#21658) @mixelburg
[DataGrid] Remove x-virtualizer's virtualScroller from public API (#21936) @romgrk
[DataGrid][virtualizer] Scrolling without render gaps (#21616) @romgrk

`@mui/x-data-grid-pro@9.0.0-rc.0`

Same changes as in @mui/x-data-grid@9.0.0-rc.0, plus:

[DataGridPro] Improve trigger for nested row reordering (#21642) @MBilalShafi
[DataGridPro] Undeprecate onRowsScrollEnd prop (#21912) @MBilalShafi

`@mui/x-data-grid-premium@9.0.0-rc.0`

Same changes as in @mui/x-data-grid-pro@9.0.0-rc.0, plus:

[DataGridPremium] Fix clipboard paste issue in portal (#21931) @sibananda485

Date and Time Pickers

Breaking changes

Accessible DOM structure is now the only default. Read more
The PickerDay2 and DateRangePickerDay2 components were propagated to stable while removing the previous defaults. Read more

`@mui/x-date-pickers@9.0.0-rc.0`

[pickers] Remove PickersDay and DateRangePickerDay and promote their 2 versions as replacements (#21739) @michelengelen

`@mui/x-date-pickers-pro@9.0.0-rc.0`

Same changes as in @mui/x-date-pickers@9.0.0-rc.0.

Charts

`@mui/x-charts@9.0.0-rc.0.0`

[charts] Make line visibility toggle start from the baseline (#21893) @alexfauquette
[charts] Remove the container overflow (#21955) @alexfauquette
[charts] Revert theme.alpha for non-channel token (#21965) @siriwatknp

`@mui/x-charts-pro@9.0.0-rc.0.0`

Same changes as in @mui/x-charts@9.0.0-rc.0.0, plus:

[charts-pro] Zoom slider touch improvements (#21832) @JCQuintas
[charts-pro] Add seriesIds filter to zoom slider preview (#21933) @JCQuintas
[charts-pro] Fix zoom slider preview with discard filter mode (#21883) @JCQuintas

`@mui/x-charts-premium@9.0.0-rc.0.0`

Same changes as in @mui/x-charts-pro@9.0.0-rc.0.0, plus:

[charts-premium] Add series valueFormatter to candlestick chart (#21905) @JCQuintas
[charts-premium] Add zoom slider preview support for candlestick charts (#21914) @JCQuintas
[charts-premium] Allow color customization in Candlestick chart (#21838) @JCQuintas
[charts-premium] Support hide/show for OHLC (candlestick) series (#21807) @Copilot
[charts-premium] Add dataset support to Candlestick chart (#21872) @JCQuintas
[charts-premium] Add candlestick page to sidebar navigation (#21834) @JCQuintas

Tree View

`@mui/x-tree-view@9.0.0-rc.0`

Internal changes.

`@mui/x-tree-view-pro@9.0.0-rc.0`

Same changes as in @mui/x-tree-view@9.0.0-rc.0, plus:

[RichTreeViewPro] Allow to auto-expand lazy loaded items (#21759) @flaviendelangle

Scheduler

`@mui/x-scheduler@9.0.0-alpha.0`

[scheduler] Add locale files, adapt l10n scripts, and add localization table to docs (#21870) @rita-codes
[scheduler] Add planned features to the docs (#21705) @rita-codes
[scheduler] Add scheduler to docs introduction (#21845) @rita-codes
[scheduler] Add wide docs to scheduler (#21860) @noraleonte
[scheduler] All day event bugfixes (#21884) @noraleonte
[scheduler] Autofocus title field (#21947) @noraleonte
[scheduler] Change default event creation trigger to single click (#21979) @rita-codes
[scheduler] Change order of the views on the view selector (#21904) @rita-codes
[scheduler] Disabled border color for the repeat day picker in dark mode (#21987) @rita-codes
[scheduler] Drop unused dependency (#21956) @flaviendelangle
[scheduler] Fix all-day event shifting to previous day in negative UTC offsets (#21994) @rita-codes
[scheduler] Fix dark theme localization demos (#21992) @noraleonte
[scheduler] Fix licensing confusion in docs (#21939) @rita-codes
[scheduler] Fix preferences menu width shift when toggling options + Improve preferences menu accessibility (#21902) @rita-codes
[scheduler] Prepare for the alpha launch (#21859) @rita-codes
[scheduler] Sync Base UI internals and apply good practices (#21946) @flaviendelangle
[scheduler] Update close modal aria label translation (#21940) @rita-codes
[scheduler] Add Spanish (es-ES) locale (#21900) @rita-codes
[scheduler] Improve French (fr-FR) locale (#21941) @rita-codes
[scheduler] Improve Romanian (ro-RO) locale (#21942) @rita-codes

`@mui/x-scheduler-premium@9.0.0-alpha.0`

Same changes as in @mui/x-scheduler@9.0.0-alpha.0.

Codemod

`@mui/x-codemod@9.0.0-rc.0`

Internal changes.

Docs

[docs] Fix JSDOM → jsdom casing (#21907) @JCQuintas
[docs] Remove Joy UI references and dependency (#21937) @siriwatknp
[docs] Remove none generated files (#21886) @alexfauquette
[docs] Remove unused interactive demo code (#21945) @LukasTy
[docs] Revise the Funnel doc (#21677) @mapache-salvaje
[docs] Revise the Line chart docs (#21554) @mapache-salvaje
[docs] Revise the Radar doc (#21674) @mapache-salvaje
[docs] Revise the Sankey doc (#21678) @mapache-salvaje
[docs] Revise the Scatter chart docs (#21564) @mapache-salvaje

Core

[docs-infra] Update to the latest monorepo (#21971) @brijeshb42
[internal] Remove checks for materialVersion >= 6 (#21975) @LukasTy

Miscellaneous

[core] Bump @mui/material to v9.0.0-beta.1 (#21858) @siriwatknp
[core] Update browserslistrc (#21974) @siriwatknp
[deps] Bump minimum core packages to 7.3.0 to adopt theme color manipulator (#21892) @siriwatknp
[telemetry] Prefer upstream remote over origin for projectId (#21882) @aemartos
[telemetry] Send repoHash, [x]packageNameHash, and rootPathHash alongside projectId (#21896) @aemartos
[test] Exclude flaky DataGrid argos test (#21977) @MBilalShafi
[test] Fix flaky DataGrid test (#22000) @arminmeh
[test] Remove componentsProp test from describeConformance (#21897) @ZeeshanTamboli
[x-license] Change orderId type from number to string (#21885) @aemartos

9.0.0-beta.0

Mar 27, 2026

We'd like to extend a big thank you to the 10 contributors who made this release possible. Here are some highlights ✨:

🔊 New Charts voiceover component for improved screen reader support
⌨️ Charts keyboard navigation improvements: axis tooltip now shows when navigating with the keyboard
📊 Charts axes now can be set to automatically resize to fit their content
📝 New rowCheckbox slot in Data Grid for easier checkbox column customization
⚡️ fetchRows() API in Data Grid Pro now defaults start and end based on scroll position with lazy loading
🐞 Bugfixes and internal improvements

The following team members contributed to this release: @aemartos, @alexfauquette, @arminmeh, @cherniavskii, @Janpot, @JCQuintas, @mapache-salvaje, @michelengelen, @noraleonte, @rita-codes

Data Grid

`@mui/x-data-grid@9.0.0-beta.0`

[DataGrid] Add rowCheckbox slot for easier customization (#21797) @michelengelen
[DataGrid] Prevent repeated hasScrollbar state updates (#21820) @arminmeh

`@mui/x-data-grid-pro@9.0.0-beta.0`

Same changes as in @mui/x-data-grid@9.0.0-beta.0, plus:

[DataGridPro] fetchRows() API's default start and end params based on scroll position with lazy loading (#21742) @arminmeh

`@mui/x-data-grid-premium@9.0.0-beta.0`

Same changes as in @mui/x-data-grid-pro@9.0.0-beta.0.

Date and Time Pickers

`@mui/x-date-pickers@9.0.0-beta.0`

Internal changes.

`@mui/x-date-pickers-pro@9.0.0-beta.0`

Same changes as in @mui/x-date-pickers@9.0.0-beta.0.

Charts

`@mui/x-charts@9.0.0-beta.0`

[charts] Add className prop to Pro chart plot components (#21793) @JCQuintas
[charts] Add experimental position-based pointer interaction for line series (#21809) @JCQuintas
[charts] Add l10n to the bar accessibility (#21815) @alexfauquette
[charts] Add localization for the basic charts (#21822) @alexfauquette
[charts] Add voiceover component (#21344) @alexfauquette
[charts] Allow axes to automatically resize to content (#21087) @JCQuintas
[charts] Document multiple use-cases for references (#21768) @alexfauquette
[charts] Remove compatibility layer for React vs native events (#21780) @JCQuintas
[charts] Remove deprecated barLabel props (#21783) @alexfauquette
[charts] Show axis tooltip when navigating with keyboard (#21689) @Copilot

`@mui/x-charts-pro@9.0.0-beta.0`

Same changes as in @mui/x-charts@9.0.0-beta.0.

`@mui/x-charts-premium@9.0.0-beta.0`

Same changes as in @mui/x-charts-pro@9.0.0-beta.0.

Tree View

`@mui/x-tree-view@9.0.0-alpha.4`

Internal changes.

`@mui/x-tree-view-pro@9.0.0-alpha.4`

Same changes as in @mui/x-tree-view@9.0.0-alpha.4.

Codemod

`@mui/x-codemod@9.0.0-alpha.4`

Internal changes.

Docs

[docs] Document how to customize voiceover announcement (#21833) @alexfauquette
[docs] Remove Discord mention from docs (#21855) @mapache-salvaje
[docs] Remove stabilized experimental feature from demo (#21869) @JCQuintas
[docs] Update telemetry guide to reflect pseudonymous data collection and license compliance (#21812) @aemartos
[docs] Revise the Sparkline doc (#21614) @mapache-salvaje
[docs] Revise the Gauge doc (#21673) @mapache-salvaje
[docs] Revise the Heatmap doc (#21676) @mapache-salvaje

Core

[code-infra] Remove unused deps and unify es-toolkit via catalog (#21840) @Janpot
[code-infra] Update @mui/internal-bundle-size-checker to canary.68 (#21836) @Janpot
[code-infra] Update next (#21837) @Janpot
[internal] Remove headless data grid packages (#21843) @cherniavskii

Miscellaneous

Add @romgrk to CODEOWNERS for x-virtualizer and x-internals (#21819) @Copilot
[x-license] add 2022 plan version (#21814) @aemartos

9.0.0-alpha.4

Mar 19, 2026

We'd like to extend a big thank you to the 12 contributors who made this release possible. Here are some highlights ✨:

🐞 Bugfixes and internal improvements

The following team members contributed to this release: @aemartos, @alexfauquette, @bernardobelchior, @Janpot, @JCQuintas, @LukasTy, @mapache-salvaje, @michelengelen, @noraleonte, @rita-codes, @sai6855, @siriwatknp

Data Grid

`@mui/x-data-grid@9.0.0-alpha.4`

[DataGrid] Mark charts integration as stable (#21764) @JCQuintas
[DataGrid] Move elementOverrides to constants and remove duplicates (#21618) @sai6855
[DataGrid] Migrate from deprecated Material UI APIs (#21682) @siriwatknp

`@mui/x-data-grid-pro@9.0.0-alpha.4`

Same changes as in @mui/x-data-grid@9.0.0-alpha.4.

`@mui/x-data-grid-premium@9.0.0-alpha.4`

Same changes as in @mui/x-data-grid-pro@9.0.0-alpha.4.

Date and Time Pickers

`@mui/x-date-pickers@9.0.0-alpha.4`

[pickers] Avoid stealing focus on click away (#13434) @LukasTy
[pickers] Promote fieldRef to stable and add clearValue method (#21655) @michelengelen

`@mui/x-date-pickers-pro@9.0.0-alpha.4`

Same changes as in @mui/x-date-pickers@9.0.0-alpha.4.

Charts

`@mui/x-charts@9.0.0-alpha.4`

[charts] Add v9 chart series types and helper functions migration (#21009) @bernardobelchior
[charts] Extract event listener to the layer container (#21751) @alexfauquette
[charts] Fix WebGL print export canvas stretching (#21738) @JCQuintas
[charts] Improve deprecation warnings (#21760) @alexfauquette
[charts] Improve type safety in identifierCleaner (#21719) @bernardobelchior
[charts] Make preferStrictDomainInLineCharts the default (#21744) @JCQuintas
[charts] Move title and description to the layer container (#21757) @alexfauquette
[charts] Refactor FunnelChart classes structure (#21652) @JCQuintas
[charts] Refactor Heatmap classes structure (#21653) @JCQuintas
[charts] Refactor RadarChart classes structure (#21650) @JCQuintas
[charts] Refactor SankeyChart classes structure (#21654) @JCQuintas
[charts] Refactor legend getters to use utility functions (#21628) @sai6855
[charts] Remove deprecated ChartContainer and ChartDataProvider (#21777) @alexfauquette
[charts] Remove deprecated itemId from SeriesLegendItemContext (#21788) @alexfauquette
[charts] Remove deprecated useMouseTracker() (#21787) @alexfauquette
[charts] Remove deprecated classes (#21775) @alexfauquette
[charts] Remove deprecated props from PieArcLabel animation (#21789) @alexfauquette
[charts] Remove get*UtilityClass from public exports (#21769) @JCQuintas
[charts] Remove the deprecated disableHover property (#21785) @alexfauquette
[charts] Remove the deprecated message prop (#21784) @alexfauquette
[charts] Remove deprecated props about voronoi (#21796) @alexfauquette
[charts] Remove deprecated pieArcClasses (#21795) @alexfauquette
[charts] Rename data-series-id by data-series (#21761) @alexfauquette
[charts] Rename voronoiMaxRadius/disableVoronoi to hitAreaRadius/disableHitArea (#21750) @bernardobelchior
[charts] Update pt-PT locale (#21296) @bernardobelchior
[charts] Use different shape per series by default (#21713) @alexfauquette
[charts] Add className prop to Radar components (#21794) @JCQuintas
[charts] Add className prop to shared chart components (#21792) @JCQuintas
[charts] Add className prop to BarPlot (#21791) @JCQuintas
[charts] Portal tooltip into ChartsLayerContainer (#21801) @JCQuintas

`@mui/x-charts-pro@9.0.0-alpha.4`

Same changes as in @mui/x-charts@9.0.0-alpha.4, plus:

[charts-pro] Allow brush interaction to accept requiredKeys/pointerMode (#21716) @JCQuintas
[charts-pro] Remove deprecated onAxisClick for Heatmap (#21786) @alexfauquette

`@mui/x-charts-premium@9.0.0-alpha.4`

Same changes as in @mui/x-charts-pro@9.0.0-alpha.4, plus:

[charts-premium] Add candlestick chart (#21129) @bernardobelchior

Tree View

`@mui/x-tree-view@9.0.0-alpha.4`

Internal changes.

`@mui/x-tree-view-pro@9.0.0-alpha.4`

Same changes as in @mui/x-tree-view@9.0.0-alpha.4.

Codemod

`@mui/x-codemod@9.0.0-alpha.4`

Internal changes.

Docs

[docs-infra] Exclude ServerSideLazyLoadingRevalidation from argos (#21734) @sai6855
[docs] Update charts v9 migration guide to include premium package (#21743) @bernardobelchior
[docs] Update v9 migration guides to install next tag (#21741) @bernardobelchior
[docs] Revise the Pie chart docs (#21565) @mapache-salvaje
[docs] Revise the Bar Chart docs (#21482) @mapache-salvaje
[docs] Removed a console.log from an aggregation demo (#21698) @michelengelen

Core

[code-infra] Add pkg-pr-new as dev dependency (#21754) @Janpot
[code-infra] Prevent combiner to have default parameters (#21707) @JCQuintas
[code-infra] Remove CI coverage collection and upload to Codecov (#21671) @Janpot
[internal] Remove @bernardobelchior from Charts CODEOWNERS (#21776) @Copilot

Miscellaneous

[x-license] Fix process.env.MUI_VERSION not being replaced during build (#21727) @aemartos
[x-license] Add new watermark license status message (#21720) @aemartos

9.0.0-alpha.3

Mar 12, 2026

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

🐞 Bugfixes and internal improvements

The following team members contributed to this release: @aemartos, @alexfauquette, @bernardobelchior, @brijeshb42, @cherniavskii, @flaviendelangle, @Janpot, @JCQuintas, @MBilalShafi, @michelengelen, @rita-codes, @sai6855, @siriwatknp

Data Grid

`@mui/x-data-grid@9.0.0-alpha.3`

[DataGrid] Fix crash when rows and rowModesModel are updated simultaneously (#21265) @michelengelen
[DataGrid] Add missing resizablePanelHandle classes to gridClasses object (#21538) @sai6855
[DataGrid] Refactor headerAlign style calls (#21541) @sai6855

`@mui/x-data-grid-pro@9.0.0-alpha.3`

Same changes as in @mui/x-data-grid@9.0.0-alpha.3, plus:

[DataGridPro] Add role="presentation" to detail panel toggle header content (#21634) @michelengelen
[DataGridPro] Fix sorting not reflected in nested server-side data (#21619) @MBilalShafi

`@mui/x-data-grid-premium@9.0.0-alpha.3`

Same changes as in @mui/x-data-grid-pro@9.0.0-alpha.3.

Date and Time Pickers

`@mui/x-date-pickers@9.0.0-alpha.3`

[pickers] Refactor DateRangePickerDay overrides to use a centralized elementOverrides object (#21426) @sai6855
[pickers] Migrate from deprecated props for PickersModalDialog (#21702) @siriwatknp

`@mui/x-date-pickers-pro@9.0.0-alpha.3`

Same changes as in @mui/x-date-pickers@9.0.0-alpha.3.

Charts

`@mui/x-charts@9.0.0-alpha.3`

[charts] Differentiate Line Plot roots classes (#21679) @JCQuintas
[charts] Enable keyboard navigation by default (#21675) @alexfauquette
[charts] Fix keyboard tooltip radar (#21667) @alexfauquette
[charts] Fix selector default parameter (#21638) @JCQuintas
[charts] Fix tooltip blink between node and pointer anchor (#21611) @alexfauquette
[charts] Let tooltip and legend reflect the line shape (#21475) @alexfauquette
[charts] Refactor BarChart classes structure (#21601) @JCQuintas
[charts] Refactor LineChart classes structure (#21648) @JCQuintas
[charts] Refactor ScatterChart classes structure (#21651) @JCQuintas
[charts] Refactor PieChart classes structure (#21649) @JCQuintas
[charts] Remove batch rendering checks in highlight selectors (#21646) @bernardobelchior
[charts] Standardize generic arg names to SeriesType (#21694) @alexfauquette
[charts] Simplify highlight hooks return types (#21695) @alexfauquette

`@mui/x-charts-pro@9.0.0-alpha.3`

Same changes as in @mui/x-charts@9.0.0-alpha.3, plus:

[charts-pro] Fix heatmap style override from arc to cell (#21693) @Copilot
[charts-pro] Fix image export truncated when page is zoomed out (#21685) @bernardobelchior
[charts-pro] Speed-up heatmap cell search with an index lookup (#21130) @alexfauquette
[charts-pro] Fix heatmap highlight not working (#21710) @Copilot

`@mui/x-charts-premium@9.0.0-alpha.3`

Same changes as in @mui/x-charts-pro@9.0.0-alpha.3, plus:

[charts-premium] Re-enable WebGL tests (#21708) @bernardobelchior

Tree View

Breaking changes

Remove TreeViewBaseItem type (use TreeViewDefaultItemModelProperties or a custom interface)
Remove useTreeViewApiRef hook (use useRichTreeViewApiRef, useSimpleTreeViewApiRef, or useRichTreeViewProApiRef)
Remove status from content slot props returned by getContentProps() (use data-* attributes; status on useTreeItem return value is unchanged)
Remove deprecated CSS state classes from treeItemClasses: expanded, selected, focused, disabled, editable, editing (use [data-expanded], [data-selected], etc.)
The <RichTreeViewPro /> component has now virtualization enabled by default.
The items used inside the <RichTreeViewPro /> now have a default height of 32px.
The items of the <RichTreeViewPro /> are now rendered as a flat list instead of a nested tree.

`@mui/x-tree-view@9.0.0-alpha.3`

[tree view] Remove deprecated APIs (#21591) @flaviendelangle
[tree view] Fix collapsed children not selected with selectionPropagation.descendants in SimpleTreeView (#21253) @flaviendelangle

`@mui/x-tree-view-pro@9.0.0-alpha.3`

Same changes as in @mui/x-tree-view@9.0.0-alpha.3, plus:

[RichTreeViewPro] Make the virtualization opt-out and port the layout doc from the data grid (#21461) @flaviendelangle

Codemod

`@mui/x-codemod@9.0.0-alpha.3`

Internal changes.

Docs

[docs] Fix AssistantWithDataSource demo crashing (#21555) @sai6855
[docs] Remove Preview pill from Sankey (#21623) @bernardobelchior
[docs] Migrate internal Material UI deprecated APIs (#21680) @siriwatknp
[docs] Remove New flag on Tree View and Date and Time Pickers features released before v9 alpha (#21585) @flaviendelangle

Core

[code-infra] Remove checkout step (#21688) @Janpot
[code-infra] Fix contributor generation in changelog (#21718) @brijeshb42
[docs-infra] Do not point to non-existent v8 subdomain (#21640) @cherniavskii

Miscellaneous

[test] Add missing tests for forwarding props to filter operators in DataGrid (#21441) @siriwatknp
[x-license] Export additional license types and constants (#21625) @aemartos
[x-license] Refactor license verification to accept package info object and add v9 version gating (#21690) @aemartos

9.0.0-alpha.2

Mar 5, 2026

We'd like to extend a big thank you to the 12 contributors who made this release possible. Here are some highlights ✨:

✅ Stabilize Sankey chart
🐞 Bugfixes and internal improvements

The following team members contributed to this release: @aemartos, @alelthomas, @alexfauquette, @arminmeh, @bernardobelchior, @brijeshb42, @Janpot, @JCQuintas, @mapache-salvaje, @michelengelen, @mj12albert, @sai6855, @siriwatknp

Data Grid

`@mui/x-data-grid@9.0.0-alpha.2`

[dataGrid] Fix keyboard nav with single-row checkbox selection (#21149) @mj12albert
[DataGrid] Add checkboxColDef prop to customize the selection column (#21331) @michelengelen
[DataGrid] Format pagination numbers by default (#21117) @siriwatknp
[DataGrid] Prevent unnecessary row selection checkbox rerendering (#21570) @arminmeh
[DataGrid] Make GridScrollArea overrides resolver dynamic (#21532) @sai6855

`@mui/x-data-grid-pro@9.0.0-alpha.2`

Same changes as in @mui/x-data-grid@9.0.0-alpha.2, plus:

[DataGridPro] Use getRowId prop to calculate the tree data row update (#21540) @arminmeh

`@mui/x-data-grid-premium@9.0.0-alpha.2`

Same changes as in @mui/x-data-grid-pro@9.0.0-alpha.2.

Date and Time Pickers

`@mui/x-date-pickers@9.0.0-alpha.2`

[pickers] Add keepOpenDuringFieldFocus prop (#20782) @michelengelen

`@mui/x-date-pickers-pro@9.0.0-alpha.2`

Same changes as in @mui/x-date-pickers@9.0.0-alpha.2.

Charts

`@mui/x-charts@9.0.0-alpha.2`

[charts] Add ChartsLayerContainer component (#21264) @bernardobelchior
[charts] Add codemod for ChartsContainer rename (#21504) @JCQuintas
[charts] Add codemod for ChartsDataProvider rename (#21552) @JCQuintas
[charts] Add codemod for ChartsZoomSlider rename (#21597) @JCQuintas
[charts] Base the highlight items on the item identifiers (#21161) @alexfauquette
[charts] Deprecate ChartDataProvider in favour of ChartsDataProvider (#21191) @JCQuintas
[charts] Deprecate highlighted and faded classes (#21476) @alexfauquette
[charts] Migrate to latest v8 warning (#21518) @JCQuintas
[charts] Rename ChartZoomSlider to ChartsZoomSlider (#21553) @JCQuintas
[charts] Rename WebGl to WebGL (#21524) @JCQuintas
[charts] Rename useSvgRef() by useChartsLayerContainerRef() (#21494) @alexfauquette
[charts] Restore focus on last focused item (#21522) @alexfauquette
[charts] Warn users when controlled tooltip state does not match the trigger (#21520) @Copilot
[charts] Fix controlled tooltip position (#21603) @bernardobelchior

`@mui/x-charts-pro@9.0.0-alpha.2`

Same changes as in @mui/x-charts@9.0.0-alpha.2, plus:

[charts-pro] Center the watermark (#21550) @alexfauquette
[charts-pro] Stabilize SankeyChart API (#21133) @Copilot

`@mui/x-charts-premium@9.0.0-alpha.2`

Same changes as in @mui/x-charts-pro@9.0.0-alpha.2.

Tree View

`@mui/x-tree-view@9.0.0-alpha.2`

Internal changes.

`@mui/x-tree-view-pro@9.0.0-alpha.2`

Same changes as in @mui/x-tree-view@9.0.0-alpha.2.

Codemod

`@mui/x-codemod@9.0.0-alpha.2`

Internal changes.

Docs

[docs] Add backticks and parentheses to all functions and hooks (DX-173) (#21496) @mapache-salvaje
[docs] Remove mentions of mySvgRef (#21559) @bernardobelchior
[docs] Update Roadmap section in the docs (#20892) @alelthomas
[docs] Add tutorial and example app for aggregation with row grouping (DX-162) (#21102) @mapache-salvaje
[docs] Fix missing codemod docs (#21604) @JCQuintas

Core

[code-infra] Add eslint rule to prevent Math.random in docs (#21505) @JCQuintas
[code-infra] Avoid static props for pageContent (#21038) @Janpot
[code-infra] Isolate date-pickers-pro in the browser tests (#21383) @Janpot
[code-infra] Remove --coverage (#21410) @Janpot
[code-infra] Remove unneeded skipIfs (#21569) @JCQuintas
[code-infra] Remove vale as a workspace dependency (#21489) @brijeshb42
[code-infra] Remove x-charts-vendor from nextjs processing (#21534) @brijeshb42
[code-infra] Set BASE_BRANCH env var in CircleCI config (#21548) @brijeshb42
[code-infra] Setup error code extraction (#21469) @brijeshb42
[code-infra] Setup flat build for packages (#21029) @brijeshb42
[code-infra] Upgrade test_unit to large resource class (#21558) @Janpot
[code-infra] Removed getTeamMembers function and usage from release script (#21605) @michelengelen

Miscellaneous

[x-license] Add Q1-2026 plan version with quantity and appType support (#21574) @aemartos
[x-license] Add v3 key format support, centralize test keys, and trim public API (#21485) @aemartos
[x-telemetry] telemetry opt-out by default, remove conf dependency (#21470) @aemartos
[x-telemetry] test: mock context module directly in sender tests (#21546) @aemartos

9.0.0-alpha.1

Feb 26, 2026

We'd like to extend a big thank you to the 18 contributors who made this release possible. Here are some highlights ✨:

⚡️ Improved dynamic data support and cache invalidation in lazy loading for Data Grid Pro
⌨️ Keyboard support for selecting day, month, and year in Date Pickers
📊 Axis tooltip sorting and control improvements in Charts
🐞 Bugfixes and internal improvements

Special thanks go out to these community members for their valuable contributions: @EllGree, @lion1963

The following team members contributed to this release: @alexfauquette, @arminmeh, @brijeshb42, @cherniavskii, @dav-is, @flaviendelangle, @Janpot, @JCQuintas, @mapache-salvaje, @MBilalShafi, @michelengelen, @noraleonte, @rita-codes, @sai6855, @siriwatknp, @ZeeshanTamboli

Data Grid

`@mui/x-data-grid@9.0.0-alpha.1`

[DataGrid] Forward rest props in GridFilterInputMultipleValue (#21407) @siriwatknp
[DataGrid] Preserve key input during row edit when using rowModesModel (#20759) @michelengelen
[DataGrid] Remove double rtl inversion logic for columns pinning (#21371) @siriwatknp

`@mui/x-data-grid-pro@9.0.0-alpha.1`

Same changes as in @mui/x-data-grid@9.0.0-alpha.1, plus:

[DataGridPro] Fix number input visibility in header filters (#21328) @michelengelen
[DataGridPro] Improve dynamic data support and cache invalidation in lazy loading (#21282) @MBilalShafi

`@mui/x-data-grid-premium@9.0.0-alpha.1`

Same changes as in @mui/x-data-grid-pro@9.0.0-alpha.1.

Date and Time Pickers

`@mui/x-date-pickers@9.0.0-alpha.1`

[DatePicker] Add keyboard support for selecting day, month, and year (#20859) @michelengelen

`@mui/x-date-pickers-pro@9.0.0-alpha.1`

Same changes as in @mui/x-date-pickers@9.0.0-alpha.1, plus:

[DateRangePicker] Fix timezone update issue leading to invalidRange error (#20863) @michelengelen

Charts

`@mui/x-charts@9.0.0-alpha.1`

[charts] Add sort props to the axis tooltip (#21293) @alexfauquette
[charts] Controll axis tooltip (#21351) @alexfauquette
[charts] De duplicate keyboard focus handler function (#21267) @sai6855
[charts] Make type optional in identifiers (#21311) @alexfauquette
[charts] Move ref to the root component (#21396) @alexfauquette
[charts] Refactor loading and no data overlays to use a shared OverlayText component (#21414) @sai6855
[charts] Require series ids to be unique (#21330) @alexfauquette
[charts] Set showMark as false by default (#21373) @alexfauquette
[charts] Use createGetNextIndexFocusedItem() util in Funnel and RangeBar charts (#21390) @sai6855
[charts] Remove unnecessary string concatenation (#21418) @sai6855

`@mui/x-charts-pro@9.0.0-alpha.1`

Same changes as in @mui/x-charts@9.0.0-alpha.1.

`@mui/x-charts-premium@9.0.0-alpha.1`

Same changes as in @mui/x-charts-pro@9.0.0-alpha.1.

Tree View

`@mui/x-tree-view@9.0.0-alpha.1`

[tree view] Focus item sibling on unmount instead of the 1st item (#21254) @flaviendelangle

`@mui/x-tree-view-pro@9.0.0-alpha.1`

Same changes as in @mui/x-tree-view@9.0.0-alpha.1.

Codemod

`@mui/x-codemod@9.0.0-alpha.1`

Internal changes.

Docs

[docs] Fix external 301s (#21377) @Janpot
[docs] Show premium in the overview (#21343) @alexfauquette
[docs][charts] Revise the useLegend hook doc (#21352) @mapache-salvaje
[docs][charts] Revise the axis hooks doc (#21317) @mapache-salvaje
[docs][charts] Revise the scale hooks doc (#21316) @mapache-salvaje
[docs][charts] Revise the series hooks doc (#21353) @mapache-salvaje
[docs][charts] Revise the useDataset doc (#21336) @mapache-salvaje
[docs][charts] Revise the useDrawingArea doc (#21333) @mapache-salvaje

Core

[core] Update docs deploy script to the docs-next branch (#21341) @siriwatknp
[code-infra] Cleanup unused babel plugins (#21453) @brijeshb42
[code-infra] Do not append x to the last version for the compare API (#21408) @arminmeh
[code-infra] Upgrade react-docgen to v8 X (#21155) @JCQuintas
[code-infra] Modernize codemod (#21096) @JCQuintas
[docs-infra] Fix current version detection logic (#21417) @cherniavskii
[docs-infra] Reapply Cookie Banner (#21281) @dav-is
[internal] Headless filtering plugin (#21302) @arminmeh
[internal] Headless pagination plugin (#21183) @arminmeh
[internal] Headless virtualization followups (#21327) @cherniavskii
[internal] Keep cached data for disabled pipe processors (#21348) @arminmeh
[internal] Remove autoprefixer package (#21440) @ZeeshanTamboli

Miscellaneous

[l10n] Fix Czech (csCZ) locale: sort/filter labels are swapped (#21400) @EllGree
[l10n] Improve Ukrainian (uk-UA) locale (#21366) @lion1963

9.0.0-alpha.0

Feb 16, 2026

We'd like to extend a big thank you to the 21 contributors who made this release possible. Here are some highlights ✨:

Add support for virtualized items on <RichTreeViewPro />:

<RichTreeViewPro items={ITEMS} virtualization itemHeight={48} />

Add Thai (thTH) locale on the Data Grid and the Date and Time Pickers (#21116) @siriwatknp
Add a new AdapterDayjsBuddhist adapter for Date and Time Pickers (#20984) @siriwatknp
Add support for virtualization in the rich tree view (#20780) @flaviendelangle
Add WebGL renderer to Heatmap (#20756) @bernardobelchior

Special thanks go out to these community members for their valuable contributions: @jhe-iqbis

The following team members contributed to this release: @alexfauquette, @arminmeh, @bernardobelchior, @brijeshb42, @cherniavskii, @dav-is, @flaviendelangle, @Janpot, @JCQuintas, @mapache-salvaje, @MBilalShafi, @michelengelen, @mj12albert, @noraleonte, @oliviertassinari, @rita-codes, @romgrk, @sai6855, @siriwatknp

Data Grid

`@mui/x-data-grid@9.0.0-alpha.0`

[DataGrid] Update default logicOperator behavior in filtering docs (#21098) @michelengelen
[DataGrid] Add thTH locale (#21116) @siriwatknp
[DataGrid] Fix initial filter value state in CustomMultiValueOperator demo (#21217) @sai6855

`@mui/x-data-grid-pro@9.0.0-alpha.0`

Same changes as in @mui/x-data-grid@9.0.0-alpha.0, plus:

[DataGridPro] Cleanup outdated rows on dataSource reference update (#21138) @MBilalShafi

`@mui/x-data-grid-premium@9.0.0-alpha.0`

Same changes as in @mui/x-data-grid-pro@9.0.0-alpha.0.

Date and Time Pickers

`@mui/x-date-pickers@9.0.0-alpha.0`

[pickers] Add AdapterDayjsBuddhist adapter (#20984) @siriwatknp
[pickers] Add thTH locale (#21116) @siriwatknp

`@mui/x-date-pickers-pro@9.0.0-alpha.0`

Same changes as in @mui/x-date-pickers@9.0.0-alpha.0.

Charts

`@mui/x-charts@9.0.0-alpha.0`

[charts] Add Legend actions (#20404) @JCQuintas
[charts] Add Chart suffix to MUI Classes (#21042) @JCQuintas
[charts] Add axesGap props to put space between axes (#20904) @alexfauquette
[charts] Add cleanIdentifier function to charts series instance (#20832) @JCQuintas
[charts] Add initialHiddenItems prop to set initial state (#20894) @JCQuintas
[charts] Add useXAxisCoordinates and useYAxisCoordinates hooks (#20972) @bernardobelchior
[charts] Add axis slots and expose axis ticks hooks (#20935) @bernardobelchior
[charts] Change line legend marker to be a line (#21059) @JCQuintas
[charts] Codemod test pattern with function (#21111) @JCQuintas
[charts] Control the item tooltip (#20617) @alexfauquette
[charts] Enable keyboard navigation in radar chart (#20765) @alexfauquette
[charts] Export CartesianChartSeriesType and StackableChartSeriesType (#21012) @bernardobelchior
[charts] Export plugins from premium (#20866) @JCQuintas
[charts] Filter hidden series from axis tooltip (#21273) @Copilot
[charts] Filter hidden series from axis tooltip (#21273) @Copilot
[charts] Fix rename getSVGPoint to getChartPoint (#21335) @bernardobelchior
[charts] Fix cleanup function in useChartInteractionListener to correctly remove event listeners with options (#21218) @sai6855
[charts] Fix import rename in codemod (#21112) @JCQuintas
[charts] Fix multiple exports of HighlightScope (#21270) @bernardobelchior
[charts] Fix test inconsistency in charts (#20907) @JCQuintas
[charts] Fix tooltip position for stacked line series (#20901) @alexfauquette
[charts] Make Highlight scope a generic (#21189) @alexfauquette
[charts] Make LegendItemParams.type required (#21003) @alexfauquette
[charts] Make seriesId a string only (#20997) @alexfauquette
[charts] Make the useChartRootRef support typing parameter (#21023) @alexfauquette
[charts] Memoize HeatmapItem to avoid re-render when fading/highlighting (#20865) @bernardobelchior
[charts] Move axis id to data-axis-id attribute instead of class (#21037) @JCQuintas
[charts] Move cleanIdentifier and serializeIdentifier instance methods to useChartSeriesConfig plugin (#21025) @JCQuintas
[charts] Move seriesConfig to useChartSeriesConfig plugin (#21004) @JCQuintas
[charts] Move element refs to useChartElementRef plugin (#21099) @JCQuintas
[charts] Move types related to seriesConfig into the useChartSeriesConfig plugin folder (#21026) @JCQuintas
[charts] Remove data-has-focused-item from ChartsSurface (#21255) @bernardobelchior
[charts] Remove default generic of item identifiers (#21182) @alexfauquette
[charts] Remove deprecated id from LegendItemParams (#21055) @alexfauquette
[charts] Remove deprecated ChartApi export from ChartContainer (#20975) @JCQuintas
[charts] Remove deprecated useAxisTooltip in favor of useAxesTooltip (#20962) @Copilot
[charts] Remove deprecated series type helpers and functions (#20998) @alexfauquette
[charts] Rename ChartContainer to ChartsContainer (#21173) @JCQuintas
[charts] Rename getSVGPoint to getChartPoint (#21322) @bernardobelchior
[charts] Rename TickItemType to TickItem (#21008) @bernardobelchior
[charts] Replace props id by seriesId when necessary (#21057) @alexfauquette
[charts] Revert touch-action: pan-y removal when zoom is disabled (#20852) @bernardobelchior
[charts] The useXxxSeries([]) return empty array (#21001) @alexfauquette
[charts] Use NumberValue in domain limit function (#21054) @JCQuintas

`@mui/x-charts-pro@9.0.0-alpha.0`

Same changes as in @mui/x-charts@9.0.0-alpha.0, plus:

[charts-pro] Add border radius to heatmap (#20931) @bernardobelchior
[charts-pro] Add keyboard navigation to funnel (#20766) @alexfauquette
[charts-pro] Add keyboard navigation to heatmap (#20786) @alexfauquette
[charts-pro] Add keyboard navigation to sankey (#20777) @alexfauquette
[charts-pro] Fix Heatmap's onItemClick not triggering (#21016) @bernardobelchior
[charts-pro] Fix crash when two same-direction axes have a zoom preview (#20916) @bernardobelchior
[charts-pro] Handle edge case in export image (#21190) @bernardobelchior
[charts-pro] Prefer global pointer interaction tracker in Heatmap (#20697) @bernardobelchior
[charts-pro] Support composition for Sankey (#20604) @alexfauquette
[charts-pro] Update Heatmap identifier (#21124) @alexfauquette
[charts-pro] Update default value of hideLegend prop in Heatmap (#20961) @Copilot

`@mui/x-charts-premium@9.0.0-alpha.0`

Same changes as in @mui/x-charts-pro@9.0.0-alpha.0, plus:

[charts-premium] Add WebGL renderer to Heatmap (#20756) @bernardobelchior
[charts-premium] Add ChartContainerPremium (#20910) @bernardobelchior
[charts-premium] Add HeatmapPremium (#20930) @bernardobelchior
[charts-premium] Add keyboard navigation to range-bar (#21272) @alexfauquette
[charts-premium] Extract HeatmapSVGPlot from HeatmapPlot component (#21015) @bernardobelchior
[charts-premium] Fix ChartDataProviderPremium tests (#20868) @bernardobelchior
[charts-premium] Fix links in comments for chart containers and data providers (#21105) @bernardobelchior

Tree View

`@mui/x-tree-view@9.0.0-alpha.0`

No changes.

`@mui/x-tree-view-pro@9.0.0-alpha.0`

Same changes as in @mui/x-tree-view@9.0.0-alpha.0, plus:

[RichTreeViewPro] Add support for virtualization (#20780) @flaviendelangle

Codemod

`@mui/x-codemod@9.0.0-alpha.0`

[codemod] Document and Clean the codemod utils (#21014) @alexfauquette

Docs

[docs] Add focus highlight in composition snipets (#20614) @alexfauquette
[docs] Add simple candlestick chart demo (#20912) @bernardobelchior
[docs] Fix Waterfall Chart documentation badge from Pro to Premium (#20888) @Copilot
[docs] Fix broken links on Data Grid Editing sub-pages (#20911) @arminmeh
[docs] Fix docs API for HeatmapPremium (#21137) @alexfauquette
[docs] Fix horizontal overflow in heatmap docs (#20968) @bernardobelchior
[docs] Move Range Bar Chart to existing charts (#21120) @bernardobelchior
[docs] Prepare the scheduler doc for the alpha (#21268) @flaviendelangle
[docs] Rewording of the heatmap item click (#20987) @alexfauquette
[scheduler][docs] Create the Quickstart page (#20913) @flaviendelangle
[charts][docs] Revise the Charts CSP doc (#20906) @mapache-salvaje
[charts][docs] Revise the Charts Composition doc (#20032) @mapache-salvaje
[charts][docs] Revise the Charts Hooks Overview doc (#20921) @mapache-salvaje
[charts][docs] Revise the Charts Legend doc (#20821) @mapache-salvaje
[charts][docs] Revise the Charts Localization doc (#20800) @mapache-salvaje
[charts][docs] Revise the Charts Plugins doc (#20933) @mapache-salvaje
[charts][docs] Revise the Charts Stacking doc (#20830) @mapache-salvaje
[charts][docs] Revise the Charts Styling doc (#20835) @mapache-salvaje
[charts][docs] Revise the Charts Toolbar doc (#20867) @mapache-salvaje
[charts][docs] Revise the Charts Tooltip doc (#20869) @mapache-salvaje
[charts][docs] Revise the Charts Zoom and Pan doc (#20893) @mapache-salvaje
[DataGrid][docs] Add a recipe for handling long text cell (#20754) @siriwatknp
[DataGrid][docs] Add high-level competitor comparison to Overview doc (DX-117) (#20870) @mapache-salvaje
[DataGrid][docs] Remove Bundling section from quickstart (#21177) @MBilalShafi

Core

[code-infra] Add MUI_TEST_ENV global (#21187) @Janpot
[code-infra] Fix material-ui/disallow-react-api-in-server-components (#20909) @JCQuintas
[code-infra] Fix renameImports codemod not preserving comments (#20977) @JCQuintas
[code-infra] Fix the label comparison to use lower case (#20934) @brijeshb42
[code-infra] Github action to sync title and label (#20922) @brijeshb42
[code-infra] Ignore scheduler demo with random data (#20982) @JCQuintas
[code-infra] Improve codemod testing setup (#20981) @JCQuintas
[code-infra] Only ignore renovate[bot] in changelog generation script (#21185) @bernardobelchior
[code-infra] Prepare for v9 (#20860) @JCQuintas
[code-infra] Set rasterizehtml version in pnpm catalog (#21175) @bernardobelchior
[code-infra] Update codeowners (#20886) @JCQuintas
[code-infra] V9 preparation (#20928) @JCQuintas
[code-infra] eslint rule rename (#21172) @Janpot
[code-infra][docs] V9 charts migration doc kickoff (#20973) @JCQuintas
[docs-infra] Add Cookie Banner and Analytics Provider (#21228) @dav-is
[docs-infra] Fix missing slots section on API page (#20915) @Janpot
[docs-infra] Fix two broken links (#20914) @Janpot
[docs-infra] Port demo changes (#20971) @Janpot
[internal] Add information about codemods to AGENTS.md (#21011) @bernardobelchior
[internal] Fix codemod versioning instructions in AGENTS.md (#21024) @bernardobelchior
[internal] Fix missing generated props in master (#21142) @bernardobelchior
[internal] Headless sorting plugin (#21089) @arminmeh
[internal] Remove duplicate code (#20896) @oliviertassinari

Miscellaneous

Bump next to ^15.5.11 (#21171) @Copilot
[core] Fix CI (#21223) @flaviendelangle
[PoC] Headless data grid (#20645) @cherniavskii

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CHANGELOG.md

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Changelog

9.4.0

Data Grid

@mui/x-data-grid@9.4.0

@mui/x-data-grid-pro@9.4.0

@mui/x-data-grid-premium@9.4.0

Date and Time Pickers

@mui/x-date-pickers@9.4.0

@mui/x-date-pickers-pro@9.4.0

Charts

@mui/x-charts@9.4.0

@mui/x-charts-pro@9.4.0

@mui/x-charts-premium@9.4.0

Tree View

@mui/x-tree-view@9.4.0

@mui/x-tree-view-pro@9.4.0

Scheduler

Breaking changes

@mui/x-scheduler@9.0.0-beta.0

@mui/x-scheduler-premium@9.0.0-beta.0

Docs

Core

Miscellaneous

9.3.0

Data Grid

@mui/x-data-grid@9.3.0

@mui/x-data-grid-pro@9.3.0

@mui/x-data-grid-premium@9.3.0

Date and Time Pickers

@mui/x-date-pickers@9.3.0

@mui/x-date-pickers-pro@9.3.0

Charts

@mui/x-charts@9.3.0

@mui/x-charts-pro@9.3.0

@mui/x-charts-premium@9.3.0

Tree View

@mui/x-tree-view-pro@9.3.0

Scheduler

@mui/x-scheduler@9.0.0-alpha.7

@mui/x-scheduler-premium@9.0.0-alpha.7

Docs

Core

Miscellaneous

9.2.0

Data Grid

@mui/x-data-grid@9.2.0

@mui/x-data-grid-pro@9.2.0

@mui/x-data-grid-premium@9.2.0

Date and Time Pickers

@mui/x-date-pickers@9.2.0

@mui/x-date-pickers-pro@9.2.0

Charts

@mui/x-charts@9.2.0

@mui/x-charts-pro@9.2.0

@mui/x-charts-premium@9.2.0

Tree View

@mui/x-tree-view@9.1.0

@mui/x-tree-view-pro@9.1.0

Scheduler

@mui/x-scheduler@9.0.0-alpha.6

@mui/x-scheduler-premium@9.0.0-alpha.6

Codemod

@mui/x-codemod@9.1.0

Docs

Miscellaneous

9.1.0

Data Grid

@mui/x-data-grid@9.1.0

@mui/x-data-grid-pro@9.1.0

@mui/x-data-grid-premium@9.1.0

Date and Time Pickers

@mui/x-date-pickers@9.1.0

@mui/x-date-pickers-pro@9.1.0

Charts

`@mui/x-data-grid@9.4.0`

`@mui/x-data-grid-pro@9.4.0`

`@mui/x-data-grid-premium@9.4.0`

`@mui/x-date-pickers@9.4.0`

`@mui/x-date-pickers-pro@9.4.0`

`@mui/x-charts@9.4.0`

`@mui/x-charts-pro@9.4.0`

`@mui/x-charts-premium@9.4.0`

`@mui/x-tree-view@9.4.0`

`@mui/x-tree-view-pro@9.4.0`

`@mui/x-scheduler@9.0.0-beta.0`

`@mui/x-scheduler-premium@9.0.0-beta.0`

`@mui/x-data-grid@9.3.0`

`@mui/x-data-grid-pro@9.3.0`

`@mui/x-data-grid-premium@9.3.0`

`@mui/x-date-pickers@9.3.0`

`@mui/x-date-pickers-pro@9.3.0`

`@mui/x-charts@9.3.0`

`@mui/x-charts-pro@9.3.0`

`@mui/x-charts-premium@9.3.0`

`@mui/x-tree-view-pro@9.3.0`

`@mui/x-scheduler@9.0.0-alpha.7`

`@mui/x-scheduler-premium@9.0.0-alpha.7`

`@mui/x-data-grid@9.2.0`

`@mui/x-data-grid-pro@9.2.0`

`@mui/x-data-grid-premium@9.2.0`

`@mui/x-date-pickers@9.2.0`

`@mui/x-date-pickers-pro@9.2.0`

`@mui/x-charts@9.2.0`

`@mui/x-charts-pro@9.2.0`

`@mui/x-charts-premium@9.2.0`

`@mui/x-tree-view@9.1.0`

`@mui/x-tree-view-pro@9.1.0`

`@mui/x-scheduler@9.0.0-alpha.6`

`@mui/x-scheduler-premium@9.0.0-alpha.6`

`@mui/x-codemod@9.1.0`

`@mui/x-data-grid@9.1.0`

`@mui/x-data-grid-pro@9.1.0`

`@mui/x-data-grid-premium@9.1.0`

`@mui/x-date-pickers@9.1.0`

`@mui/x-date-pickers-pro@9.1.0`

`@mui/x-charts@9.1.0`

`@mui/x-charts-pro@9.1.0`

`@mui/x-charts-premium@9.1.0`

`@mui/x-tree-view@9.1.0`

`@mui/x-tree-view-pro@9.1.0`

`@mui/x-scheduler@9.0.0-alpha.5`

`@mui/x-scheduler-premium@9.0.0-alpha.5`

`@mui/x-codemod@9.1.0`

`@mui/x-data-grid@9.0.4`

`@mui/x-data-grid-pro@9.0.4`

`@mui/x-data-grid-premium@9.0.4`

`@mui/x-date-pickers@9.0.4`

`@mui/x-date-pickers-pro@9.0.4`

`@mui/x-charts@9.0.4`

`@mui/x-charts-pro@9.0.4`

`@mui/x-charts-premium@9.0.4`

`@mui/x-tree-view@9.0.4`

`@mui/x-tree-view-pro@9.0.4`

`@mui/x-scheduler@9.0.4`

`@mui/x-scheduler-premium@9.0.4`

`@mui/x-codemod@9.0.4`

`@mui/x-data-grid@9.0.3`

`@mui/x-data-grid-pro@9.0.3`

`@mui/x-data-grid-premium@9.0.3`

`@mui/x-date-pickers@9.0.3`

`@mui/x-date-pickers-pro@9.0.3`

`@mui/x-charts@9.0.3`

`@mui/x-charts-pro@9.0.3`

`@mui/x-charts-premium@9.0.3`

`@mui/x-tree-view@9.0.2`

`@mui/x-tree-view-pro@9.0.2`

`@mui/x-scheduler@9.0.0-alpha.3`

`@mui/x-scheduler-premium@9.0.0-alpha.3`

`@mui/x-data-grid@9.0.2`

`@mui/x-data-grid-pro@9.0.2`

`@mui/x-data-grid-premium@9.0.2`