v9.0.0

🥳 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/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

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