mui/mui-x v9.1.0

on GitHub

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