mui · siriwatknp · Apr 7, 2026 · Apr 7, 2026 · Apr 7, 2026 · Apr 7, 2026
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,33 @@
 # [Versions](https://mui.com/versions/)
 
+## 9.0.0
+
+<!-- generated comparing v9.0.0-beta.1..master -->
+
+_Apr 7, 2026_
+
+A big thanks to the 7 contributors who made this release possible.
+
+🥳 We're excited to announce the stable release of Material UI v9! This major release focus on accessibility improvements, sx prop performance, and cleanup of deprecated APIs.
+
+For more details, check out the [upgrade guide](https://mui.com/material-ui/migration/upgrade-to-v9/).
+
+### `@mui/material@9.0.0`
+
+- [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
+
+All contributors of this release in alphabetical order: @brijeshb42, @mj12albert, @noraleonte, @rita-codes, @sai6855, @silviuaavram, @siriwatknp
+
 ## 9.0.0-beta.1
 
 <!-- generated comparing v9.0.0-beta.0..master -->

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

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-beta.1",
+  "version": "9.0.0",
   "author": "MUI Team",
   "description": "MUI Docs - Documentation building blocks.",
   "license": "MIT",

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": "3.0.2",
+  "version": "3.0.3",
   "author": "MUI Team",
   "description": "Utilities for MUI docs. This is an internal package not meant for general use.",
   "main": "./build/index.js",

diff --git a/packages-internal/markdown/package.json b/packages-internal/markdown/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/internal-markdown",
-  "version": "3.0.6",
+  "version": "3.0.7",
   "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": "3.0.5",
+  "version": "3.0.6",
   "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-beta.0",
+  "version": "9.0.0",
   "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-beta.1",
+  "version": "9.0.0",
   "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": "2.0.47",
+  "version": "2.0.48",
   "author": "MUI Team",
   "description": "Logs info about the environment relevant to @mui/*.",
   "license": "MIT",

diff --git a/packages/mui-icons-material/lib/package.json b/packages/mui-icons-material/lib/package.json
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-beta.1",
+  "version": "9.0.0",
   "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.1",
+  "version": "9.0.0-beta.2",
   "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-beta.0",
+  "version": "9.0.0",
   "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-beta.1",
+  "version": "9.0.0",
   "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-beta.1",
+  "version": "9.0.0",
   "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-beta.1",
+  "version": "9.0.0",
   "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-beta.0",
+  "version": "9.0.0",
   "author": "MUI Team",
   "description": "styled() API wrapper package for styled-components.",
   "license": "MIT",

diff --git a/packages/mui-styled-engine/package.json b/packages/mui-styled-engine/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/styled-engine",
-  "version": "9.0.0-beta.0",
+  "version": "9.0.0",
   "author": "MUI Team",
   "description": "styled() API wrapper package for emotion.",
   "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-beta.0",
+  "version": "9.0.0",
   "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-beta.1",
+  "version": "9.0.0",
   "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-types/package.json b/packages/mui-types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mui/types",
-  "version": "9.0.0-beta.0",
+  "version": "9.0.0",
   "author": "MUI Team",
   "description": "Utility types for Material UI.",
   "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-beta.1",
+  "version": "9.0.0",
   "author": "MUI Team",
   "description": "Utility functions for React components.",
   "license": "MIT",