v27.1.0-rc.1

🦖 Deprecations

• The Browserify artifact is being deprecated, scheduled for removal in the October 10th release cycle. (#3189)

✨ Features

• ElementR: Add CryptoApi.getCrossSigningKeyId (#3619). Contributed by @florianduros.
• ElementR: Stub CheckOwnCrossSigningTrust, import cross signing keys and verify local device in bootstrapCrossSigning (#3608). Contributed by @florianduros.
• Specify /preview_url requests as low priority (#3609). Fixes element-hq/element-web#7292.
• Element-R: support for displaying QR codes during verification (#3588). Fixes element-hq/crypto-internal#124.
• Add support for scanning QR codes during verification, with Rust crypto (#3565).
• Add methods to influence set_presence on /sync API calls (#3578).

🐛 Bug Fixes

• Fix threads ending up with chunks of their timelines missing (#3618). Fixes element-hq/element-web#24466.
• Ensure we do not clobber a newer RR with an older unthreaded one (#3617). Fixes element-hq/element-web#25806.
• Fix registration check your emails stage regression (#3616).
• Fix how Room::eventShouldLiveIn handles replies to unknown parents (#3615). Fixes element-hq/element-web#22603.
• Only send threaded read receipts if threads support is enabled (#3612).
• ElementR: Fix userId parameter usage in CryptoApi#getVerificationRequestsToDeviceInProgress (#3611). Contributed by @florianduros.
• Fix edge cases around non-thread relations to thread roots and read receipts (#3607).
• Fix read receipt sending behaviour around thread roots (#3600).
• Export typed event emitter key types (#3597). Fixes #3506.
• Element-R: ensure that userHasCrossSigningKeys uses up-to-date data (#3599). Fixes element-hq/element-web#25773.
• Fix sending auth: null due to broken types around UIA (#3594).