A big thanks to the 25 contributors who made this release possible. Here are some highlights ✨:

• 💫 Added Slider component using the new Material You design language (#37520) @DiegoAndai.
• 📚 Added examples showcasing how you can use Material UI with next.js's app directory (#37315) @smo043

@mui/material@5.13.6

• ​[Autocomplete] Fixed autocomplete's existing option selection (#37012) @bencevoros
• ​[Autocomplete] Add hint demos to Material UI and Joy UI docs (#37496) @sai6855
• ​[Masonry] Fix ResizeObserver loop limit exceeded error (#37208) @hbjORbj
• ​[Tooltip][material] Improve warning when Tooltip receives string child (#37530) @DiegoAndai
• ​[Modal] Add missing members to ModalOwnProps (#37568) @ivp-dev
• ​[Slider] Arrow keys control does not work with float numbers (#37071) @gitstart
• ​[SvgIcon] allow svg as a child (#37231) @siriwatknp
• ​[Timeline] Add alternate reverse position (#37311) @abhinavkmrru
• ​[Tooltip] Fix type of sx prop in slotProps (#37550) @SuperKXT
• ​[TouchRipple] perf: avoid calling clearTimeout() (#37512) @romgrk

@mui/material-next@6.0.0-alpha.90

• ​[Material You] Add Slider component with Material You design (#37520) @DiegoAndai

@mui/joy@5.0.0-alpha.85

• ​[ButtonGroup][joy] Missing border when spacing is more than zero (#37577) @siriwatknp
• ​[CardActions][joy] Add CardActions component (#37441) @siriwatknp
• ​[Menu][joy] Fix closing of Menu in demos (#36917) @sai6855

@mui/base@5.0.0-beta.5

• ​[Menu][base] Add the resetHighlight action (#37392) @michaldudak
• ​[Select][base] Expose the areOptionsEqual prop (#37615) @michaldudak

@mui/utils@5.13.2

• ​[utils] Allow nested imports in @mui/utils to speed up build (#37586) @flaviendelangle

Docs

• ​[docs][base] Improve Base UI all components images (#37590) @danilo-leal
• ​[docs][base] Add pages for coming soon components (#37575) @danilo-leal
• ​[docs][base] Add a Snackbar introduction demo (#37602) @danilo-leal
• ​[docs][base] Add page for all Base UI components (#37536) @danilo-leal
• ​[docs] Fix scrollbar on snackbar page (#37657) @oliviertassinari
• ​[docs] Switch order of snackbar buttons in demos (#37389) @Primajin
• ​[docs] Add support for Tailwind CSS and plain CSS demos (#37319) @mnajdova
• ​[docs] Tree view color fix for dark mode in Gmail example (#37051) @PunitSoniME
• ​[docs] Inline the Base UI demo (#37603) @oliviertassinari
• ​[docs] Fix typo in themed components page (#37598) @vinayr
• ​[docs] Fix render inline code in CSS description generation (#37448) @alexfauquette
• ​[docs] Add styles to styled argument list (#37558) @DiegoAndai
• ​[docs] Improve awkward wording in READMEs of example projects (#37110) @DIWAKARKASHYAP
• ​[docs] Fix small base -> base-ui migration issue (#37594) @oliviertassinari
• ​[docs] Fix GitHub typo (#37578) @oliviertassinari
• ​[docs] Improve release guide (#37547) @DiegoAndai
• ​[docs] Review fixes to the Material UI's "Example projects" page (#37444) @danilo-leal
• ​[docs][joy] Add a messages template (#37546) @sernstberger
• ​[docs][joy] Add pages for coming soon Joy UI components (#36920) @danilo-leal
• ​[docs][joy] Add design and consistency tweaks to the Playground (#37580) @danilo-leal
• ​[docs] Add and revise Base UI + Create React App examples (#36825) @samuelsycamore
• ​[docs-infra] Fix demos border radius (#37658) @oliviertassinari
• ​[docs-infra] Add analyticsTags to Algolia (#37600) @Janpot
• ​[docs-infra] Simplify product id handling (#37593) @oliviertassinari
• ​[CHANGELOG] Add missing release date for v5.13.5 @oliviertassinari
• ​[examples] Shell command fix in the readme file of material-next-app-router-ts example (#37675) @bablukpik
• ​[examples] Next.js v13 app router with Material UI (#37315) @smo043

Core

• ​[core] Update to Node.js v18 for test-dev CI (#37604) @ZeeshanTamboli
• ​[core] Add priority support issue template (#37671) @DanailH
• ​[website] Update roadmap page (#37587) @cherniavskii
• ​[website] Add CSP to limit iframes to self @oliviertassinari
• ​[website] Link mui-x Stack Overflow in footer link (#37509) @richbustos