master
[lab] Add TypeScript deprecations (#38833)
[code-infra] Bring batch of changes from vitest PR (#46795)
[core] Apply React 19 type changes that don't require upcoming `@types/` packages (#42346)
[code-infra] a few fixes uncovered during ESM updates (#45031)
[internal] Prepare libraries for v9 stable release (#48206)
[code-infra] Bump to latest code-infra packages (#48672)
[code-infra] Setup flat build for packages (#47670)
Bump prettier to v3.9.5 (#48808)
[material-ui][TimelineItem] Fix extra ::before spacing when TimelineOppositeContent is present (#46663)
[code-infra] Remove React import requirement for jsx (#47146)
[code-infra] Enable undefined addition to optional properties (#47750)
[lab] Remove @mui/base dependency (#45602)
[material-ui] Add `DefaultPropsProvider` for Pigment CSS integration (#42638)
[lab] Remove components which were moved from lab to material (#45232)
[core] Import new line convention (#33068)