master
[internal] Prepare libraries for v9 stable release (#48206)
[core] Change package manager to pnpm (#36287)
[material-ui][system] Remove deprecated system props from Box, Stack, Typography (#48072)
[test] Remove `componentsProp` from `describeConformance` tests (#48142)
[material-ui] Use direct import from utils package (#40254)
[material-ui][Box] Added boxClasses (#39889)
[core] Remove `'use client'` from index files and useAutocomplete reexport (#41956)