master
[code-infra] Enable undefined addition to optional properties (#47750)
[system] Polish @mui/material-nextjs (#40473)
[material-ui] Add new Next.js integration package (#39947)
Support Next 15.0.0 in @mui/material-nextjs (#42428)
[material-nextjs] Support Next.js 16 (#47134)
[nextjs] Add warnings to nextjs router integration (#45778)