[Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v1.7.2...v1.7.3-rc.1) * Fix positioning, size, and colour of the composer e2e icon [\#3641](https://github.com/matrix-org/matrix-react-sdk/pull/3641) * upgrade nunito from 3.500 to 3.504 [\#3639](https://github.com/matrix-org/matrix-react-sdk/pull/3639) * Wire up the widget permission prompt to the cross-platform setting [\#3630](https://github.com/matrix-org/matrix-react-sdk/pull/3630) * Get theme automatically from system setting [\#3637](https://github.com/matrix-org/matrix-react-sdk/pull/3637) * Update code style for our 90 char life [\#3636](https://github.com/matrix-org/matrix-react-sdk/pull/3636) * use general warning icon instead of e2e one for room status [\#3633](https://github.com/matrix-org/matrix-react-sdk/pull/3633) * Add support for platform specific event indexing and search [\#3550](https://github.com/matrix-org/matrix-react-sdk/pull/3550) * Update from Weblate [\#3635](https://github.com/matrix-org/matrix-react-sdk/pull/3635) * Use a settings watcher to set the theme [\#3634](https://github.com/matrix-org/matrix-react-sdk/pull/3634) * Merge the `feature_user_info_panel` flag into `feature_dm_verification` [\#3632](https://github.com/matrix-org/matrix-react-sdk/pull/3632) * Fix some styling regressions in member panel [\#3631](https://github.com/matrix-org/matrix-react-sdk/pull/3631) * Add a bit more safety around breadcrumbs [\#3629](https://github.com/matrix-org/matrix-react-sdk/pull/3629) * Ensure widgets always have a sender associated with them [\#3628](https://github.com/matrix-org/matrix-react-sdk/pull/3628) * re-add missing case of codepath [\#3627](https://github.com/matrix-org/matrix-react-sdk/pull/3627) * Implement the bulk of the new widget permission prompt design [\#3622](https://github.com/matrix-org/matrix-react-sdk/pull/3622) * Relax identity server discovery error handling [\#3588](https://github.com/matrix-org/matrix-react-sdk/pull/3588) * Add cross-signing feature flag [\#3626](https://github.com/matrix-org/matrix-react-sdk/pull/3626) * Attempt number two at ripping out Bluebird from rageshake.js [\#3624](https://github.com/matrix-org/matrix-react-sdk/pull/3624) * Update from Weblate [\#3625](https://github.com/matrix-org/matrix-react-sdk/pull/3625) * Remove Bluebird: phase 2.1 [\#3618](https://github.com/matrix-org/matrix-react-sdk/pull/3618) * Add better error handling to Synapse user deactivation [\#3619](https://github.com/matrix-org/matrix-react-sdk/pull/3619) * New design for member panel [\#3620](https://github.com/matrix-org/matrix-react-sdk/pull/3620) * Show server details on login for unreachable homeserver [\#3617](https://github.com/matrix-org/matrix-react-sdk/pull/3617) * Add a function to get the "base" theme for a theme [\#3615](https://github.com/matrix-org/matrix-react-sdk/pull/3615) * Remove Bluebird: phase 2 [\#3616](https://github.com/matrix-org/matrix-react-sdk/pull/3616) * Remove Bluebird: phase 1 [\#3612](https://github.com/matrix-org/matrix-react-sdk/pull/3612) * Move notification count to in front of the room name in the page title [\#3613](https://github.com/matrix-org/matrix-react-sdk/pull/3613) * Add some logging/recovery for lost rooms [\#3614](https://github.com/matrix-org/matrix-react-sdk/pull/3614) * Add Mjolnir ban list support [\#3585](https://github.com/matrix-org/matrix-react-sdk/pull/3585) * Improve room switching performance with alias cache [\#3610](https://github.com/matrix-org/matrix-react-sdk/pull/3610) * Fix draw order when hovering composer format buttons [\#3609](https://github.com/matrix-org/matrix-react-sdk/pull/3609) * Use a ternary operator instead of relying on AND semantics in EditHistoryDialog [\#3606](https://github.com/matrix-org/matrix-react-sdk/pull/3606) * Update from Weblate [\#3608](https://github.com/matrix-org/matrix-react-sdk/pull/3608) * Fix HTML fallback in replies [\#3607](https://github.com/matrix-org/matrix-react-sdk/pull/3607) * Fix rounded corners for the formatting toolbar [\#3605](https://github.com/matrix-org/matrix-react-sdk/pull/3605) * Check for a message type before assuming it is a room message [\#3604](https://github.com/matrix-org/matrix-react-sdk/pull/3604) * Remove lint comments about no-descending-specificity [\#3603](https://github.com/matrix-org/matrix-react-sdk/pull/3603) * Show verification requests in the timeline [\#3601](https://github.com/matrix-org/matrix-react-sdk/pull/3601) * Match identity server registration to the IS r0.3.0 spec [\#3602](https://github.com/matrix-org/matrix-react-sdk/pull/3602) * Restore thumbs after variation selector removal [\#3600](https://github.com/matrix-org/matrix-react-sdk/pull/3600) * Fix breadcrumbs so the bar is a toolbar and the buttons are buttons. [\#3599](https://github.com/matrix-org/matrix-react-sdk/pull/3599) * Now that part of spacing is padding, make it smaller when collapsed [\#3597](https://github.com/matrix-org/matrix-react-sdk/pull/3597) * Remove variation selectors from quick reactions [\#3598](https://github.com/matrix-org/matrix-react-sdk/pull/3598) * Fix linkify imports [\#3595](https://github.com/matrix-org/matrix-react-sdk/pull/3595)