* Fix CSS stacking context order determinism ([#26840](https://github.com/element-hq/element-web/pull/26840)). Contributed by @t3chguy.
## ✨ Features
* Accessibility improvements around aria-labels and tooltips ([#12062](https://github.com/matrix-org/matrix-react-sdk/pull/12062)). Contributed by @t3chguy.
* Add RoomKnocksBar to RoomHeader ([#12077](https://github.com/matrix-org/matrix-react-sdk/pull/12077)). Contributed by @charlynguyen.
* Adjust tooltip side for DecoratedRoomAvatar to not obscure room name ([#12079](https://github.com/matrix-org/matrix-react-sdk/pull/12079)). Contributed by @t3chguy.
* Iterate landmarks around the app in order to improve a11y ([#12064](https://github.com/matrix-org/matrix-react-sdk/pull/12064)). Contributed by @t3chguy.
* Update element call embedding UI ([#12056](https://github.com/matrix-org/matrix-react-sdk/pull/12056)). Contributed by @toger5.
* Use Compound tooltips instead of homegrown in TextWithTooltip \& InfoTooltip ([#12052](https://github.com/matrix-org/matrix-react-sdk/pull/12052)). Contributed by @t3chguy.
## 🐛 Bug Fixes
* Fix regression around CSS stacking contexts and PIP widgets ([#12094](https://github.com/matrix-org/matrix-react-sdk/pull/12094)). Contributed by @t3chguy.
* Fix Identity Server terms accepting not working as expected ([#12109](https://github.com/matrix-org/matrix-react-sdk/pull/12109)). Contributed by @t3chguy.
* fix: microphone and camera dropdown doesn't work In legacy call ([#12105](https://github.com/matrix-org/matrix-react-sdk/pull/12105)). Contributed by @muratersin.
* Revert "Set up key backup using non-deprecated APIs (#12005)" ([#12102](https://github.com/matrix-org/matrix-react-sdk/pull/12102)). Contributed by @BillCarsonFr.
* Fix regression around read receipt animation from refs changes ([#12100](https://github.com/matrix-org/matrix-react-sdk/pull/12100)). Contributed by @t3chguy.
* Added meaning full error message based on platform ([#12074](https://github.com/matrix-org/matrix-react-sdk/pull/12074)). Contributed by @Pankaj-SinghR.
* Fix editing event from search room view ([#11992](https://github.com/matrix-org/matrix-react-sdk/pull/11992)). Contributed by @t3chguy.
* Fix timeline position when moving to a room and coming back ([#12055](https://github.com/matrix-org/matrix-react-sdk/pull/12055)). Contributed by @florianduros.
* Fix threaded reply playwright tests ([#12070](https://github.com/matrix-org/matrix-react-sdk/pull/12070)). Contributed by @dbkr.
* Element-R: fix repeated requests to enter 4S key during cross-signing reset ([#12059](https://github.com/matrix-org/matrix-react-sdk/pull/12059)). Contributed by @richvdh.
* Fix position of thumbnail in room timeline ([#12016](https://github.com/matrix-org/matrix-react-sdk/pull/12016)). Contributed by @anoopw3bdev.