v40.2.0

🦖 Deprecations

• [MatrixRTC] Remove sending of deprecated notify event (we now use m.rtc.notification) (#5167). Contributed by @toger5.

✨ Features

• Use stable /auth_metadata endpoint where homeserver supports v1.15 (#5174). Contributed by @hughns.
• Support additional_creators in upgradeRoom (MSC4289) (#5173). Contributed by @andybalaam.
• [MatrixRTC] Minimal change to transition from "" to "ROOM" as the callId/slotId (#5166). Contributed by @toger5.
• [MatrixRTC] Do not send the livekit_alias in sticky events (#5165). Contributed by @toger5.
• Improve startup performance by using promise.all when processing rooms from sync (#5095). Contributed by @MidhunSureshR.
• Add OAuthGrantType enum for OAuth 2.0 API grant types (#5161). Contributed by @hughns.
• Add support for stable OAuth2.0 aware feature from MSC3824 (#5159). Contributed by @hughns.
• Give RoomWidgetClient the ability to send and receive sticky events (#5142). Contributed by @robintown.

🐛 Bug Fixes

• [js sdk embedded/widget] Fix race where this.syncApi.injectRoomEvents was called before the syncApi is instantiated (#5168). Contributed by @toger5.
• [MatrixRTC] Fix delayId not resetting on leave (#5156). Contributed by @toger5.