mui · siriwatknp · May 7, 2026 · May 6, 2026 · May 6, 2026 · May 6, 2026
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,132 @@
 # [Versions](https://mui.com/material-ui/getting-started/versions/)
 
+## 9.0.1
+
+<!-- generated comparing v9.0.0..master -->
+
+_May 6, 2026_
+
+A big thanks to the 25 contributors who made this release possible.
+
+### `@mui/material@9.0.1`
+
+- [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/system@9.0.1`
+
+- [system] Fix theme mutation when using responsive typography shorthand in sx (#48266) @tomups
+
+### `@mui/codemod@9.0.1`
+
+- [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/utils@9.0.1`
+
+- [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
+
 ## 9.0.0
 
 <!-- generated comparing v9.0.0-beta.1..master -->

diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/monorepo",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "private": true,
   "scripts": {
     "preinstall": "npx only-allow pnpm",

diff --git a/packages-internal/api-docs-builder/package.json b/packages-internal/api-docs-builder/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/internal-api-docs-builder",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "scripts": {
     "test": "pnpm --workspace-root test:unit --project \"*:@mui/internal-api-docs-builder\"",
     "typescript": "tsc -p tsconfig.json",

diff --git a/packages-internal/core-docs/package.json b/packages-internal/core-docs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/internal-core-docs",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "author": "MUI Team",
   "description": "MUI Docs - Documentation building blocks.",
   "license": "MIT",
@@ -31,16 +31,16 @@
     "@babel/runtime": "^7.29.2",
     "@mui/internal-markdown": "workspace:^",
     "clipboard-copy": "^4.0.1",
-    "lz-string": "^1.5.0",
     "clsx": "^2.1.1",
     "es-toolkit": "^1.46.1",
     "fg-loadcss": "^3.1.0",
+    "lz-string": "^1.5.0",
     "nprogress": "^0.2.0",
     "stylis": "catalog:docs"
   },
   "devDependencies": {
-    "@mui/internal-api-docs-builder": "workspace:*",
     "@mui/icons-material": "workspace:*",
+    "@mui/internal-api-docs-builder": "workspace:*",
     "@mui/material": "workspace:*",
     "@types/chai": "5.2.3",
     "@types/fg-loadcss": "3.1.3",

diff --git a/packages-internal/docs-utils/package.json b/packages-internal/docs-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/internal-docs-utils",
-  "version": "3.0.3",
+  "version": "3.0.4",
   "author": "MUI Team",
   "description": "Utilities for MUI docs. This is an internal package not meant for general use.",
   "repository": {

diff --git a/packages-internal/markdown/package.json b/packages-internal/markdown/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/internal-markdown",
-  "version": "3.0.7",
+  "version": "3.0.8",
   "author": "MUI Team",
   "description": "MUI markdown parser. This is an internal package not meant for general use.",
   "main": "./index.mjs",

diff --git a/packages-internal/scripts/package.json b/packages-internal/scripts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/internal-scripts",
-  "version": "3.0.6",
+  "version": "3.0.7",
   "author": "MUI Team",
   "description": "Utilities supporting MUI libraries build and docs generation. This is an internal package not meant for general use.",
   "license": "MIT",

diff --git a/packages/mui-codemod/package.json b/packages/mui-codemod/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/codemod",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "author": "MUI Team",
   "description": "Codemod scripts for Material UI.",
   "license": "MIT",

diff --git a/packages/mui-core-downloads-tracker/package.json b/packages/mui-core-downloads-tracker/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/core-downloads-tracker",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "author": "MUI Team",
   "description": "Internal package to track number of downloads of our design system libraries.",
   "license": "MIT",

diff --git a/packages/mui-envinfo/package.json b/packages/mui-envinfo/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/envinfo",
-  "version": "2.0.48",
+  "version": "2.0.49",
   "author": "MUI Team",
   "description": "Logs info about the environment relevant to @mui/*.",
   "license": "MIT",

diff --git a/packages/mui-icons-material/package.json b/packages/mui-icons-material/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/icons-material",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "author": "MUI Team",
   "description": "Material Design icons distributed as SVG React components.",
   "license": "MIT",

diff --git a/packages/mui-lab/package.json b/packages/mui-lab/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@mui/lab",
   "//": "version should be 'alpha' at all time",
-  "version": "9.0.0-beta.2",
+  "version": "9.0.0-beta.3",
   "author": "MUI Team",
   "description": "Laboratory for new Material UI modules.",
   "license": "MIT",

diff --git a/packages/mui-material-nextjs/package.json b/packages/mui-material-nextjs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/material-nextjs",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "author": "MUI Team",
   "description": "Collection of utilities for integration between Material UI and Next.js.",
   "license": "MIT",

diff --git a/packages/mui-material-pigment-css/package.json b/packages/mui-material-pigment-css/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/material-pigment-css",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "author": "MUI Team",
   "description": "A wrapper over Pigment CSS that provides the same styled and theming APIs as Material UI.",
   "license": "MIT",

diff --git a/packages/mui-material/package.json b/packages/mui-material/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/material",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "author": "MUI Team",
   "description": "Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.",
   "license": "MIT",

diff --git a/packages/mui-private-theming/package.json b/packages/mui-private-theming/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/private-theming",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "author": "MUI Team",
   "description": "Private - The React theme context to be shared between `@mui/styles` and `@mui/material`.",
   "license": "MIT",

diff --git a/packages/mui-styled-engine-sc/package.json b/packages/mui-styled-engine-sc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/styled-engine-sc",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "author": "MUI Team",
   "description": "styled() API wrapper package for styled-components.",
   "license": "MIT",

diff --git a/packages/mui-stylis-plugin-rtl/package.json b/packages/mui-stylis-plugin-rtl/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/stylis-plugin-rtl",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "author": "MUI Team",
   "description": "A plugin for Material UI that provides RTL (right-to-left) support.",
   "license": "MIT",

diff --git a/packages/mui-system/package.json b/packages/mui-system/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/system",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "author": "MUI Team",
   "description": "MUI System is a set of CSS utilities to help you build custom designs more efficiently. It makes it possible to rapidly lay out custom designs.",
   "license": "MIT",

diff --git a/packages/mui-utils/package.json b/packages/mui-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/utils",
-  "version": "9.0.0",
+  "version": "9.0.1",
   "author": "MUI Team",
   "description": "Utility functions for React components.",
   "license": "MIT",

diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml