master
[code-infra] Convert leaf @mui/system .js+.d.ts pairs to TypeScript (part 1) (#48578)
[code-infra] Enable undefined addition to optional properties (#47750)
[InitColorSchemeScript] Fix script tag warning in Next.js 16 dev mode (#48671)
[core] Remove leftover Joy UI references (#48719)
Bump prettier to v3.9.5 (#48808)
[system] Prevent prototype pollution in cssVarsParser (#48822)
[internal] perf: sx (#44254)
[code-infra] Low-hanging ts conversion (#46903)
[useMediaQuery] Fix crash in Firefox extension (#45196)
[material-ui][mui-system] Simplify version prerelease export (#43699)
Bump prettier to ^3.7.4 (#47481)
[system] Fix `@mui/system` types organization (#45860)
[code-infra] Bring batch of changes from vitest PR (#46795)
[material-ui][system] Use direct import (#40851)
[system] Pre-serialize & cache styles to improve performance (#43412)