master
[test] Remove `componentsProp` from `describeConformance` tests (#48142)
[code-infra] Convert leaf @mui/system .js+.d.ts pairs to TypeScript (part 1) (#48578)
[code-infra] Remove a few ts-ignore comments (#43265)
[material-ui][mui-system] Stabilize Grid v2 and deprecate Grid v1 (#43054)
[grid] Fix column spacing for nested containers (#43733)
[code-infra] Enable undefined addition to optional properties (#47750)
[Grid] Remove deeply nested imports (#43605)
[core] Replace `indexOf` with `includes` (#42883)