MUI Release Notes

9 release notes curated from 1 source by the Releasebot Team. Last updated: May 17, 2026

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  • May 7, 2026
    • Date parsed from source:
      May 7, 2026
    • First seen by Releasebot:
      May 17, 2026
    MUI logo

    Material UI by MUI

    v9.0.1

    Material UI ships v9.0.1 with broad accessibility, autocomplete, input, drawer, select, tooltip, and docs fixes, plus codemod, system, and utils updates. It also adds High Contrast support and improves overall stability.

    A big thanks to the 25 contributors who made this release possible.

    @mui/[email protected]

    • [accessibility] HighContrast mode on Avatar, Badge, Slider and Switch (#48320) @silviuaavram
    • [autocomplete] Fix highlight sync and scroll preservation (#48322) @mj12albert
    • [autocomplete] Fix input value and clear (#48263) @mj12albert
    • [autocomplete] Fix iOS group scrollbar overflow (#48400) @oliviertassinari
    • [autocomplete] Fix popper rendering issues (#48327) @mj12albert
    • [autocomplete] Improve highlight tracking and selection state (#48219) @mj12albert
    • [button] Fix startIcon alignment (#48332) @mj12albert
    • [button][button base] Document type attribute (#48146) @mj12albert
    • [button][fab][menu item][list item button] Remove duplicated className entries (#48213) @silviuaavram
    • [checkbox] Set aria-checked=mixed when indeterminate (#48147) @mj12albert
    • [circularprogress][linearprogress] Improve accessibility (#48172) @silviuaavram
    • [dialog][drawer][focus trap] Fix initial focus target (#48280) @mj12albert
    • [drawer] Fix swipe close flicker (#48372) @mj12albert
    • [drawer] Fix transition jump (#48308) @mj12albert
    • [focus trap] Remove IE 11-specific focus safety check from FocusTrap cleanup (#48368) @ZeeshanTamboli
    • [form controls] Add internal useFormControlState hook (#48344) @mj12albert
    • [icon button] Remove unused color palette mapping in styles (#48353) @sai6855
    • [icons] Revert to using wildcard export paths (#48381) @brijeshb42
    • [input] Fix layout shift with display: flex (#43839) @oliviertassinari
    • [input] Prevent notched prop leaking into DOM (#48281) @mj12albert
    • [input base] Place aria-label on the input element (#48283) @silviuaavram
    • [inputs] Fix autofocus in SSR environment (#48290) @mj12albert
    • [List] Fix sticky subheader overlapping iOS scrollbar (#48375) @sandeshdamkondwar
    • [popper] Persist positioning styles when popperOptions changes reference (#48121) @mj12albert
    • [select] Stop using combobox element for labeling (#48251) @silviuaavram
    • [select] Support single-pointer-cycle selection and pointer cancellation (#48328) @mj12albert
    • [switch] Fix incorrect role with slotProps.input (#48469) @mj12albert
    • [tabs] Fix scrollable tabs blocking pointer events (#48166) @mj12albert
    • [textfield] Fix autofill styles always in dark mode when CSS variables is used (#48244) @ZeeshanTamboli
    • [tooltip] Simplify RTL styles using CSS logical properties (#48351) @sai6855
    • [tooltip] Close Tooltip when its child becomes disabled (#44507) @chudesno
    • [typography] Fix h4 variant when using responsiveFontSizes() (#48314) @mj12albert
    • [useMediaQuery] Fix crash in Firefox extension (#45196) @Mr-Quin

    @mui/[email protected]

    • [system] Fix theme mutation when using responsive typography shorthand in sx (#48266) @tomups

    @mui/[email protected]

    • [codemod] Add --jsx option to v9.0.0/system-props codemod (#48315) @siriwatknp
    • [codemod] Add packageName support to the v9 system props codemod (#48253) @franco-dias

    @mui/[email protected]

    • [utils] Add shadow dom utils (#48256) @mj12albert
    • [utils] Fix resolveProps receiving empty string className (#48289) @SAY-5
    • [utils] Remove unnecessary excludeKeys from extractEventHandlers (#48481) @ZeeshanTamboli

    Docs

    • [docs][autocomplete] Add demo with Tanstack Query useInfiniteQuery (#48356) @mj12albert
    • [docs] Add agent skills for styling, theming, Next.js, and Tailwind CSS integrations (#48187) @mapache-salvaje
    • [docs] Cleanup @mui/base (#48278) @mj12albert
    • [docs] Fix create-playground script (#48380) @imazizbohra
    • [docs] Fix date range calendar demo after MUI X v9 update (#48262) @LukasTy
    • [docs] Fix icon search modal (#48255) @mj12albert
    • [docs] Fix Material UI and MUI system "Upgrade to v9" docs (#48245) @ZeeshanTamboli
    • [docs] Fix Popover JSdoc (#48310) @nitzan-treg
    • [docs] Fix RTL toggle highlight in docs settings drawer (#48476) @sai6855
    • [docs] Fix typos (#48155) @ayushshukla1807
    • [docs] Fix typos (#48270) @pavan-sh
    • [docs] Fix versions page (#48261) @mnajdova
    • [docs] Fix vision grammar (#48477) @pavan-sh
    • [docs] Improve accessibility for select examples (#48250) @silviuaavram
    • [docs] Improve CSP guide with required directives (#48258) @Janpot
    • [docs] Link to agent skills in relevant docs (#48387) @mapache-salvaje
    • [docs] Make NumberField described by helper text (#48257) @silviuaavram
    • [docs] Remove esm.sh references and endorsement (#44649) (#48330) @starboyvarun
    • [docs] Remove generated CSS utility component doc (#48383) @mj12albert
    • [docs] Remove incorrect message from experiments page and hide /experiments from crawlers (#48297) @ZeeshanTamboli
    • [docs] Remove outdated references of .ttf and .woff (#48399) @oliviertassinari
    • [docs] Restore wider maxWidth for disableToc pages (#48260) @LukasTy
    • [docs] Show v9 announcement banner (#48242) @mnajdova
    • [docs] Sync team members from frontend-public endpoint (#48273) @Janpot
    • [docs] Update AGENTS.md testing section (#48392) @mj12albert
    • [docs] Update e2e test README and test error message (#48285) @ZeeshanTamboli
    • [docs] Update menu examples to always have aria-expanded (#48211) @silviuaavram
    • [docs] Update MUI Treasury links (#47760) @siriwatknp
    • [docs] Update MUI X dependencies to v9.0.0 (#48231) @siriwatknp
    • [docs] Update MUI X roadmap section (#48316) @siriwatknp
    • [docs] Update WCAG links and version from 2.1 to 2.2 (#48379) @mj12albert
    • [docs] Use React.useId() for demo IDs (#48300) @Janpot

    Core

    • [blog] Introducing Material UI and MUI X v9 (#48157) @joserodolfofreitas
    • [code-infra] bundle size check internal core docs (#48390) @Janpot
    • [code-infra] Deduplicate vale script (#48385) @brijeshb42
    • [code-infra] Fix type shadowing (#48389) @Janpot
    • [code-infra] Migrate to vite from webpack for e2e tests (#48248) @brijeshb42
    • [code-infra] Remove a few ts-ignore comments (#43265) @Janpot
    • [code-infra] Remove no longer needed eslint-import-resolver-webpack package (#48207) @ZeeshanTamboli
    • [code-infra] Remove references to @mui/base and @mui/joy (#48358) @brijeshb42
    • [code-infra] Use vale rules from code-infra package (#48173) @brijeshb42
    • [core] Remove next.mui.com links (#48240) @mnajdova
    • [core-docs] Use type-only imports for type-only references (#48386) @JCQuintas
    • [docs-infra] Add x-chat to MuiProductId type and product switcher (#48209) @hasdfa
    • [docs-infra] Fix duplicate JSDoc in proptypes generation (#48304) @brijeshb42
    • [docs-infra] Fix duplicate JSDoc in proptypes generation for merged declarations (#48296) @brijeshb42
    • [docs-infra] Fix import of cjs react-simple-code-editor in esm (#48349) @brijeshb42
    • [docs-infra] Fix tab index on Base UI tab (#48345) @brijeshb42
    • [docs-infra] Migrate docs app container/frame components (#48182) @brijeshb42
    • [docs-infra] Migrate MarkdownDocs component to docs package (#48227) @brijeshb42
    • [docs-infra] Re-apply changes from previous revert (#48243) @brijeshb42
    • [docs-infra] Remove infra around the i18n setup (#48360) @brijeshb42
    • [docs-infra] Rename package to @mui/internal-api-docs-builder (#48230) @brijeshb42
    • [docs-infra] Revert JSDoc in proptypes generation for merged declarations (#48301) @brijeshb42
    • [docs-infra] Revert Migrate docs app container/frame components (#48239) @brijeshb42
    • [docs-infra] Revert Migrate MarkdownDocs component to docs package (#48238) @brijeshb42
    • [internal] Add missing #host-reference (#48226) @silviuaavram
    • [internal] Move changelog and update security page for post v9 release (#48298) @siriwatknp
    • [internal] Remove outdated .woff files (#48398) @oliviertassinari
    • [test] Fix autocomplete test description (#48395) @ZeeshanTamboli

    All contributors of this release in alphabetical order: @ayushshukla1807, @brijeshb42, @chudesno, @franco-dias, @hasdfa, @imazizbohra, @Janpot, @JCQuintas, @joserodolfofreitas, @LukasTy, @mapache-salvaje, @mj12albert, @mnajdova, @Mr-Quin, @nitzan-treg, @oliviertassinari, @pavan-sh, @sai6855, @sandeshdamkondwar, @SAY-5, @silviuaavram, @siriwatknp, @starboyvarun, @tomups, @ZeeshanTamboli

    Original source
  • May 7, 2026
    • Date parsed from source:
      May 7, 2026
    • First seen by Releasebot:
      May 17, 2026
    MUI logo

    Material UI by MUI

    v7.3.11

    Material UI ships a maintenance release with autocomplete, button, checkbox, dialog, drawer, input, popper, and switch fixes, plus shadow DOM utilities and updated docs that announce v9.

    A big thanks to the 5 contributors who made this release possible.

    @mui/[email protected]

    • [autocomplete] Fix highlight sync and scroll preservation (#48350) @mj12albert
    • [autocomplete] Fix popper rendering issues (#48343) @mj12albert
    • [autocomplete] Improve highlight tracking and selection state (#48318) @mj12albert
    • [button] Fix startIcon alignment (#48339) @mj12albert
    • [button] Remove duplicated className entries (#48284) @silviuaavram
    • [checkbox] Set aria-checked=mixed when indeterminate (#48286) @mj12albert
    • [dialog][drawer][focus trap] Fix initial focus target (#48324) @mj12albert
    • [drawer] Fix transition jump (#48340) @mj12albert
    • [input] Fix layout shift with display: flex (#48359) @oliviertassinari
    • [inputs] Fix autofocus in SSR environment (#48307) @mj12albert
    • [popper] Persist positioning styles when popperOptions changes reference (#48302) @mj12albert
    • [switch] Fix incorrect role with slotProps.input (#48472) @mj12albert
    • [utils] Add shadow dom utils (#48309) @mj12albert

    Docs

    • [docs] Update banner to announce v9 (#48299) @siriwatknp
    • [docs] Add v9 in the versions select in v7.mui.com (#48233) @alexfauquette

    Core

    • [internal] Update some host-reference entries (#48225) @silviuaavram

    All contributors of this release in alphabetical order: @alexfauquette, @mj12albert, @oliviertassinari, @silviuaavram, @siriwatknp

    Original source
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  • Apr 9, 2026
    • Date parsed from source:
      Apr 9, 2026
    • First seen by Releasebot:
      May 17, 2026
    MUI logo

    Material UI by MUI

    v9.0.0

    Material UI releases v9.0, a stable major update that improves accessibility, boosts sx prop performance, and cleans up deprecated APIs. The release also includes pointer events, high contrast visibility improvements, and other fixes and internal updates.

    🥳 We're excited to announce the stable release of Material UI v9.0! This major release focuses on accessibility improvements, sx prop performance, and cleanup of deprecated APIs. See the Material UI v9.0 announcement blog posts for more details. Also see the MUI v9 announcement blog posts for the broad ecosystem updates.

    Check out the upgrade guide to see how you can move to this version.

    @mui/[email protected]

    • [slider] Use pointer events instead of mouse events (#48164) @mj12albert
    • [switch] Add border to make it visible in high contrast mode (#48180) @silviuaavram
    • [transitions] Performance improvements & misc fixes (#48151) @mj12albert
    • Remove unnecessary overridesResolvers from styled components (#48204) @sai6855

    Core

    • [code-infra] Setup workflow to publish internal packages (#47952) @brijeshb42
    • [core-docs] Add x-scheduler to MuiProductId type (#48185) @rita-codes
    • [docs-infra] Add scheduler to product switcher (#48208) @rita-codes
    • [internal] Prepare libraries for v9 stable release (#48206) @siriwatknp

    🙇‍♂️ We'd like to extend a big thank you to everyone involved who made this major release possible.

    Original source
  • Apr 8, 2026
    • Date parsed from source:
      Apr 8, 2026
    • First seen by Releasebot:
      May 17, 2026
    MUI logo

    Material UI by MUI

    v7.3.10

    Material UI ships accessibility fixes, autocomplete and select improvements, Menubar docs, and several theme, slider, switch, and transitions updates, while also refreshing migration docs and other documentation across the release.

    A big thanks to the 15 contributors who made this release possible. A few highlights ✨:

    📖 Added the Menubar component page to the docs.

    @mui/[email protected]

    • [alert][dialog] Accessibility improvements (#48161) @silviuaavram
    • [autocomplete] Add root slot (#47916) @GerardasB
    • [autocomplete] Fix helper text focusing input when clicked (#48162) @mj12albert
    • [autocomplete] Fix popup reopening on window focus regain with openOnFocus (#47914) @aman44444
    • [autocomplete] Optimize selected option lookup (#48027) @anchmelev
    • [autocomplete] Support full slots for clearIndicator and popupIndicator (#47913) @silviuaavram
    • [button-base] Fix native button detection (#47994) @mj12albert
    • [input] Fix high contrast cutoff on first character (#48160) @silviuaavram
    • [list item text][card header] Revert cleanup of duplicated CSS rules (#47938) @sai6855
    • [popper] Add missing classes export (#48033) @mj12albert
    • [select] Fix focus visible always set on menu item (#48022) @silviuaavram
    • [slider] Accept readonly array for the value prop (#47961) @pcorpet
    • [switch] Add border to make it visible in high contrast mode (#48210) @silviuaavram
    • [theme] Do not create channel tokens for custom colors when nativeColor is used (#48144) @ZeeshanTamboli
    • [transitions] Performance improvements & misc fixes (#48217) @mj12albert

    Docs

    • [codemod] Add v7 migration docs for deprecated Autocomplete APIs and Autocomplete codemod (#47954) @ZeeshanTamboli
    • [menubar] Add Menubar component page (#47942) @siriwatknp
    • [progress] Label all demo components (#48168) @mj12albert
    • [system] Update styled API docs for easier understanding (#47969) @olivier-lxo
    • Fix the dark mode footer row shadow for the Data Grid on the advanced components page (#48152) @arminmeh
    • Fix MUI X redirects (#47917) @cherniavskii
    • Use direct palette vars in Tailwind v4 snippet (#47955) @Ahmad-Alaziz

    Core

    • [blog] Blogpost for upcoming price changes for MUI X (#47820) @DanailH
    • [blog] Update the 2026 price changes blogpost (#47944) @DanailH
    • [code-infra] Add pkg-pr-new as dev dependency (#48023) @silviuaavram
    • [docs-infra] Update Release Instructions and Search Index v7 (#48109) @dav-is

    All contributors of this release in alphabetical order: @Ahmad-Alaziz, @aman44444, @anchmelev, @arminmeh, @cherniavskii, @DanailH, @dav-is, @GerardasB, @mj12albert, @olivier-lxo, @pcorpet, @sai6855, @silviuaavram, @siriwatknp, @ZeeshanTamboli

    Original source
  • Apr 2, 2026
    • Date parsed from source:
      Apr 2, 2026
    • First seen by Releasebot:
      May 17, 2026
    MUI logo

    Material UI by MUI

    v9.0.0-beta.1

    Material UI ships a 9.0.0 beta release with breaking cleanup, accessibility and input fixes, a new nativeButton prop for ButtonBase, icon and grid updates, and broader docs and test improvements across the library.

    A big thanks to the 11 contributors who made this release possible.

    @mui/[email protected]

    Breaking Changes

    [grid] Remove 'column' and 'column-reverse' options from direction prop (#47564) @sai6855
    [icons] Remove legacy *Outline icons (#48116) @mj12albert
    [list-item-icon] Use theme spacing instead of hardcoded minWidth (#46597) @adiitxa

    Changes

    [all components] Fix slotProps.transition types (#48153) @mj12albert
    [alert][dialog] Accessibility improvements (#48113) @silviuaavram
    [autocomplete] Fix helper text focusing input when clicked (#48156) @mj12albert
    [buttonbase] Add nativeButton prop (#47989) @mj12albert
    [input] Fix high contrast cutoff on first character (#48150) @silviuaavram
    [menu] Fix empty roving focus container (#48114) @mj12albert
    [utils] Explicitly register roving tab items with parent (#48122) @mj12albert

    Docs

    Fix HTML validation errors (#48107) @Janpot
    Fix duplicate IDs and HTML validation issues (#48095) @Janpot
    Fix the dark mode footer row shadow for the Data Grid on the advanced components page (#48149) @arminmeh
    Improve jsdom section (#48098) @oliviertassinari
    Update "Deprecated APIs removed" section to h2 in "Upgrade to v9" docs (#48115) @ZeeshanTamboli
    [progress] Label all demo components (#48143) @mj12albert
    [docs-infra] Add x-scheduler to component API URL resolver (#48097) @rita-codes
    [docs-infra] Resolve some redirects (#48165) @Janpot
    [docs-infra] Update v9 Search Index (#48028) @dav-is

    Core

    [code-infra] Discover exports for bundle size report (#48170) @Janpot
    [internal] Fix use of ellipsis (#48096) @oliviertassinari
    [test] Add screenshot test for Virtualized Table (#47947) @mnajdova
    [test] Remove componentsProp from describeConformance tests (#48142) @ZeeshanTamboli
    [theme] Do not create channel tokens for custom colors when nativeColor is used (#47765) @ZeeshanTamboli

    All contributors of this release in alphabetical order: @adiitxa, @arminmeh, @dav-is, @Janpot, @mj12albert, @mnajdova, @oliviertassinari, @rita-codes, @sai6855, @silviuaavram, @ZeeshanTamboli

    Original source
  • Mar 26, 2026
    • Date parsed from source:
      Mar 26, 2026
    • First seen by Releasebot:
      May 17, 2026
    MUI logo

    Material UI by MUI

    v9.0.0-beta.0

    Material UI ships a beta release for MUI Material with broad deprecation cleanup, removing old props and CSS classes across core components, plus a performance boost for the sx prop and updated codemod and upgrade guide links.

    A big thanks to the 8 contributors who made this release possible.

    @mui/[email protected]

    Breaking Changes

    [linear-progress] Remove deprecated CSS classes (#48068) @mj12albert
    [list-item, list-item-text] Remove deprecated props (#48042) @siriwatknp
    [button-group] Remove deprecated classes (#48043) @siriwatknp
    [card] Remove deprecated CardHeader props (#47995) @silviuaavram
    [checkbox][radio][switch] Remove deprecated inputProps and inputRef (#48059) @siriwatknp
    [chip] Remove deprecated classes (#48046) @silviuaavram
    [dialog][modal][drawer][swipeabledrawer] Remove deprecated props and classes (#48039) @silviuaavram
    [divider] Remove deprecated CSS classes (#48075) @siriwatknp
    [drawer] Remove deprecated CSS classes (#48077) @siriwatknp
    [image-list-item-bar] Remove deprecated CSS classes (#48064) @siriwatknp
    [inputs] Remove deprecated props & classes (#48071) @mj12albert
    [material-ui] Remove unnecessary overridesResolvers from styled components (#48082) @ZeeshanTamboli
    [material-ui][system] Remove deprecated system props from Box, Stack, Typography (#48072) @siriwatknp
    [pagination-item] Remove deprecated CSS classes (#48076) @siriwatknp
    [pagination-item] Remove deprecated props (#48038) @siriwatknp
    [rating] Remove deprecated IconContainerComponent (#48019) @siriwatknp
    [select] Remove deprecated CSS classes (#48065) @mj12albert
    [slider] Remove deprecated CSS classes (#48074) @siriwatknp
    [step-connector][step-content][step-label] Remove deprecated props and classes (#48058) @siriwatknp
    [tabs][tab] Remove deprecated CSS classes (#48078) @siriwatknp
    [table-pagination][table-sort-label] Remove deprecated props and classes (#48060) @siriwatknp
    [toggle-button-group] Remove deprecated classes (#48061) @siriwatknp

    Changes

    [system] Improve performance when using sx prop (#44254) @romgrk

    @mui/[email protected]

    [codemod] Add missing codemod links in upgrade guide (#48069) @silviuaavram

    Docs

    Mention all breaking changes in changelog (#48091) @silviuaavram

    Fix link to upgrade-to-v9 docs in release CHANGELOG (#48081) @ZeeshanTamboli

    Core

    Update browserslistrc (#48085) @silviuaavram

    [code-infra] Prevent major version updates of bundler/framework packages in bundling fixtures (#48062) @Copilot
    [code-infra][icons-material] Avoid material utils barrel in createSvgIcon (#48029) @anchmelev
    [docs-infra] Migrate more leaf components to mui-docs (#48018) @brijeshb42

    All contributors of this release in alphabetical order: @anchmelev, @brijeshb42, @Copilot, @mj12albert, @romgrk, @silviuaavram, @siriwatknp, @ZeeshanTamboli

    Original source
  • Mar 25, 2026
    • Date parsed from source:
      Mar 25, 2026
    • First seen by Releasebot:
      May 17, 2026
    MUI logo

    Material UI by MUI

    v9.0.0-alpha.3

    Material UI ships a new release with a Menubar component page, improved keyboard navigation and accessibility for Stepper, Tabs, and MenuList, plus Autocomplete updates, docs refinements, and core fixes.

    A big thanks to the 10 contributors who made this release possible. Here are some highlights ✨:

    • 📖 A new Menubar component page integrated with Base UI
    • ♿️ Improved the Roving TabIndex keyboard navigation for the Stepper, Tabs and MenuList components.

    @mui/[email protected]

    Breaking Changes

    • [stepper][menulist][tabs] Improve accessibility (#47687) @silviuaavram

    Changes

    • [autocomplete] Add root slot (#47852) @GerardasB
    • [autocomplete] Fix popup reopening on window focus regain with openOnFocus (#47790) @aman44444
    • [autocomplete] Support full slots for clearIndicator and popupIndicator (#47891) @silviuaavram
    • [material-ui] Partially revert "[material-ui] Clean up duplicated CSS rules (#47838)" (#47927) @sai6855

    Docs

    • [docs][codemod] Add v7 migration docs for deprecated Autocomplete APIs and Autocomplete codemod (#47945) @ZeeshanTamboli
    • [docs] Update faq about vendor chunks (#47747) @Janpot
    • [docs] Use direct palette vars in Tailwind v4 snippet (#47940) @Ahmad-Alaziz
    • [docs][menubar] Add Menubar component page (#47616) @siriwatknp

    Core

    • [core] Fix the release prepare steps (#47951) @silviuaavram
    • [core] Remove Joy UI code and docs (#47939) @mnajdova
    • [code-infra] Add previously missed export of themeCssVarsAugmentation (#47918) @brijeshb42
    • [docs-infra] Import font module for nextjs transpilation (#47935) @brijeshb42
    • [docs-infra] Migrate simpler modules from docs to mui-docs (#47897) @brijeshb42
    • [test] Fix detached anchorEl elements in tests (#47929) @Janpot

    All contributors of this release in alphabetical order: @Ahmad-Alaziz, @aman44444, @brijeshb42, @GerardasB, @Janpot, @mnajdova, @sai6855, @silviuaavram, @siriwatknp, @ZeeshanTamboli

    Original source
  • Mar 20, 2026
    • Date parsed from source:
      Mar 20, 2026
    • First seen by Releasebot:
      May 17, 2026
    MUI logo

    Material UI by MUI

    v9.0.0-alpha.4

    Material UI ships an alpha release with major breaking changes, cleanup of deprecated props and CSS classes, plus fixes for buttons, sliders, selects, poppers, and text fields. It also refreshes docs, codemods, and core tooling for the v9 upgrade path.

    A big thanks to the 11 contributors who made this release possible.

    @mui/[email protected]

    Breaking Changes

    [accordion] Remove deprecated props (#47963) @silviuaavram

    TransitionComponent

    TransitionProps

    [accordionsummary] Remove deprecated CSS class (#48006) @silviuaavram

    contentGutters

    [alert] Remove deprecated CSS classes (#48011) @silviuaavram

    standardSuccess

    standardInfo

    standardWarning

    standardError

    outlinedSuccess

    outlinedInfo

    outlinedWarning

    outlinedError

    filledSuccess

    filledInfo

    filledWarning

    filledError

    [alert] Remove deprecated props (#47965) @silviuaavram

    components

    componentsProps

    [autocomplete] Remove deprecated props (#47864) @ZeeshanTamboli

    ChipProps

    componentsProps

    ListboxComponent

    ListboxProps

    PaperComponent

    PopperComponent

    renderTags

    [avatar] Remove deprecated props (#47966) @silviuaavram

    imgProps

    [avatargroup] Remove deprecated props (#47968) @silviuaavram

    componentsProps

    [backdrop] Remove deprecated props (#47991) @silviuaavram

    components

    componentsProps

    TransitionComponent

    [badge] Remove deprecated props (#47993) @silviuaavram

    components

    componentsProps

    [button] Remove deprecated CSS classes (#48012) @silviuaavram

    Color variant classes: textInherit, outlinedPrimary, containedSecondary, etc.

    Size classes: textSizeSmall, iconSizeMedium, etc.

    [circularprogress] Remove deprecated CSS classes (#48014) @silviuaavram

    circleDeterminate

    circleIndeterminate

    [divider] Remove deprecated prop (#48013) @atharva3333

    light

    [formcontrollabel] Remove deprecated props (#48032) @atharva3333

    componentsProps

    [menu] Remove deprecated props (#48021) @siriwatknp

    MenuListProps

    PaperProps

    TransitionProps

    [mobilestepper] Remove deprecated props (#48041) @siriwatknp

    LinearProgressProps

    [popover] Remove deprecated props (#48021) @siriwatknp

    BackdropComponent

    BackdropProps

    PaperProps

    TransitionComponent

    TransitionProps

    [popper] Remove deprecated props (#48020) @siriwatknp

    components

    componentsProps

    [select] Remove deprecated props passed via MenuProps (#48021) @siriwatknp

    MenuListProps

    PaperProps

    TransitionProps

    [slider] Remove deprecated props (#47996) @siriwatknp

    components

    componentsProps

    [speeddial] Remove deprecated props (#47998) @siriwatknp

    TransitionComponent

    TransitionProps

    [speeddialaction] Remove deprecated props (#47998) @siriwatknp

    FabProps

    tooltipTitle

    tooltipPlacement

    tooltipOpen

    TooltipClasses

    [tabs] Remove deprecated props (#48017) @siriwatknp

    ScrollButtonComponent

    TabIndicatorProps

    TabScrollButtonProps

    slots.StartScrollButtonIcon

    slots.EndScrollButtonIcon

    [textfield] Remove deprecated props (#47878) @ZeeshanTamboli

    InputProps

    inputProps

    SelectProps

    InputLabelProps

    FormHelperTextProps

    [tooltip] Remove deprecated props (#47988) @siriwatknp

    components

    componentsProps

    PopperComponent

    PopperProps

    TransitionComponent

    TransitionProps

    [typography] Remove deprecated prop (#47986) @siriwatknp

    paragraph

    [buttonbase] Key handlers should not run on a disabled non-native button (#48003) @mj12albert

    [tablepagination] Format pagination numbers according to locale (#47803) @siriwatknp

    [textfield] Use non-native label for <TextField select/> (#47958) @mj12albert

    Check out the v9 upgrade guide.

    Changes

    [autocomplete] Optimize selected option lookup (#47953) @anchmelev

    [buttonbase] Fix native button detection (#47985) @mj12albert

    [inputbase] Fix test using removed InputProps on TextField (#48000) @siriwatknp

    [popper] Add missing classes export (#48031) @mj12albert

    [select] Fix focus visible always set on menu item (#47912) @silviuaavram

    [slider] Fix focus visible styles incorrectly applied by pointer (#47894) @mj12albert

    [slider] Accept readonly array for the value prop (#47936) @pcorpet

    @mui/[email protected]

    [codemod] Add slot key rename to tabs-props codemod and add to README (#48035) @siriwatknp

    [codemod] Add card-header-props migration guide (#48005) @siriwatknp

    Docs

    [blog] Lowercase 2026-MUI-X-price-changes blog post URL (#47871) @Janpot

    [docs] Wide docs layout (#47950) @noraleonte

    [docs] Mention the list of props removed in upgrade guide (#48010) @silviuaavram

    [docs] Update Autocomplete deprecated props removal migration guide docs (#47990) @ZeeshanTamboli

    [docs-infra] Extract shared App component from _app into @mui/docs (#47933) @brijeshb42

    [docs-infra] Expose global theme object (#47964) @Janpot

    [docs][system] Update styled API docs for easier understanding (#47957) @olivier-lxo

    Core

    [code-infra] Add pkg-pr-new as dev dependency (#47992) @Janpot

    [code-infra] Remove CI coverage collection and upload to Codecov (#47930) @Janpot

    [core] Migrate to ESLint 10 (#47872) @brijeshb42

    [core] Remove GridLegacy component (#47956) @siriwatknp

    All contributors of this release in alphabetical order: @anchmelev, @atharva3333, @brijeshb42, @Janpot, @mj12albert, @noraleonte, @olivier-lxo, @pcorpet, @silviuaavram, @siriwatknp, @ZeeshanTamboli

    Original source
  • Mar 5, 2026
    • Date parsed from source:
      Mar 5, 2026
    • First seen by Releasebot:
      May 17, 2026
    MUI logo

    Material UI by MUI

    v9.0.0-alpha.2

    Material UI ships alpha updates for Material UI and system, cleaning up duplicated CSS rules and refining container query sorting, while also moving shared components into the @mui/docs package and making a few docs and code-infra improvements.

    A big thanks to the 4 contributors who made this release possible.

    @mui/[email protected]

    Clean up duplicated CSS rules (#47838) @sai6855

    @mui/[email protected]

    Refactor sortContainerQueries to define regex outside of sort function (#47817) @sai6855

    Docs

    Move shared components to @mui/docs package (#47672) @Janpot

    Fix small typo in NumberField page (#47877) @arthur-plazanet

    Core

    [code-infra] Reduce paths for attw checks (#47896) @brijeshb42

    [docs-infra] Run syncTeamMembers (#47900) @Janpot

    All contributors of this release in alphabetical order: @arthur-plazanet, @brijeshb42, @Janpot, @sai6855

    Original source

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