master
[test] Remove `componentsProp` from `describeConformance` tests (#48142)
[core] Change package manager to pnpm (#36287)
[code-infra] Enable undefined addition to optional properties (#47750)
[material-ui][system] Use direct import (#40851)
[code-infra] Convert leaf @mui/system .js+.d.ts pairs to TypeScript (part 1) (#48578)