master
[test] Remove `componentsProp` from `describeConformance` tests (#48142)
[internal] Prepare libraries for v9 stable release (#48206)
[code-infra] Enable undefined addition to optional properties (#47750)
[code-infra] Add "use client" directive to files with React APIs (#45036)
[code-infra] Setup flat build for packages (#47670)
[material-ui] Use direct import from utils package (#40254)