[Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v3.6.1...v3.7.0-rc.1) * Upgrade JS SDK to 9.0.0-rc.1 * Update Weblate URL [\#5346](https://github.com/matrix-org/matrix-react-sdk/pull/5346) * Translations update from Weblate [\#5347](https://github.com/matrix-org/matrix-react-sdk/pull/5347) * Left Panel Widget support [\#5247](https://github.com/matrix-org/matrix-react-sdk/pull/5247) * Pinned widgets work [\#5266](https://github.com/matrix-org/matrix-react-sdk/pull/5266) * Convert resizer to Typescript [\#5343](https://github.com/matrix-org/matrix-react-sdk/pull/5343) * Hide filtering microcopy when left panel is minimized [\#5338](https://github.com/matrix-org/matrix-react-sdk/pull/5338) * Skip editor confirmation of upgrades [\#5344](https://github.com/matrix-org/matrix-react-sdk/pull/5344) * Spec compliance, /search doesn't have to return results [\#5337](https://github.com/matrix-org/matrix-react-sdk/pull/5337) * Fix excessive hosting link padding [\#5336](https://github.com/matrix-org/matrix-react-sdk/pull/5336) * Adjust for new widget messaging APIs [\#5341](https://github.com/matrix-org/matrix-react-sdk/pull/5341) * Fix case where sublist context menu missed an update [\#5339](https://github.com/matrix-org/matrix-react-sdk/pull/5339) * Add analytics to VoIP [\#5340](https://github.com/matrix-org/matrix-react-sdk/pull/5340) * Fix Jitsi OpenIDC auth [\#5334](https://github.com/matrix-org/matrix-react-sdk/pull/5334) * Support rejecting calls [\#5324](https://github.com/matrix-org/matrix-react-sdk/pull/5324) * Don't show admin tooling if we're not in the room [\#5330](https://github.com/matrix-org/matrix-react-sdk/pull/5330) * Show Integrations error if iframe failed to load too [\#5328](https://github.com/matrix-org/matrix-react-sdk/pull/5328) * Add security customisation points [\#5327](https://github.com/matrix-org/matrix-react-sdk/pull/5327) * Discard all mx_fadable legacy cruft which is totally useless [\#5326](https://github.com/matrix-org/matrix-react-sdk/pull/5326) * Fix background-image: url(null) for backdrop filter [\#5319](https://github.com/matrix-org/matrix-react-sdk/pull/5319) * Make the ACL update message less noisy [\#5316](https://github.com/matrix-org/matrix-react-sdk/pull/5316) * Fix aspect ratio of avatar before clicking Save [\#5318](https://github.com/matrix-org/matrix-react-sdk/pull/5318) * Don't supply popout widgets with widget parameters [\#5323](https://github.com/matrix-org/matrix-react-sdk/pull/5323) * Changed rainbow algorithm [\#5301](https://github.com/matrix-org/matrix-react-sdk/pull/5301) * Renamed TagPanel and TagOrderStore [\#5309](https://github.com/matrix-org/matrix-react-sdk/pull/5309) * Fix/clarify boolean logic for reaction previews [\#5321](https://github.com/matrix-org/matrix-react-sdk/pull/5321) * Support glare for VoIP calls [\#5311](https://github.com/matrix-org/matrix-react-sdk/pull/5311) * Round of Typescript conversions [\#5314](https://github.com/matrix-org/matrix-react-sdk/pull/5314) * Fix broken rendering of Room Create when showHiddenEvents enabled [\#5317](https://github.com/matrix-org/matrix-react-sdk/pull/5317) * Improve LHS resize performance and tidy stale props&classes [\#5313](https://github.com/matrix-org/matrix-react-sdk/pull/5313) * event-index: Pass the user/device id pair when initializing the event index. [\#5312](https://github.com/matrix-org/matrix-react-sdk/pull/5312) * Fix various aspects of (jitsi) widgets [\#5315](https://github.com/matrix-org/matrix-react-sdk/pull/5315) * Fix rogue (partial) call bar [\#5310](https://github.com/matrix-org/matrix-react-sdk/pull/5310) * Rewrite call state machine [\#5308](https://github.com/matrix-org/matrix-react-sdk/pull/5308) * Convert `src/SecurityManager.js` to TypeScript [\#5307](https://github.com/matrix-org/matrix-react-sdk/pull/5307) * Fix templating for v1 jitsi widgets [\#5305](https://github.com/matrix-org/matrix-react-sdk/pull/5305) * Use new preparing event for widget communications [\#5303](https://github.com/matrix-org/matrix-react-sdk/pull/5303) * Fix parsing issue in event tile preview for appearance tab [\#5302](https://github.com/matrix-org/matrix-react-sdk/pull/5302) * Track replyToEvent along with Cider state & history [\#5284](https://github.com/matrix-org/matrix-react-sdk/pull/5284) * Roving Tab Index should not interfere with inputs [\#5299](https://github.com/matrix-org/matrix-react-sdk/pull/5299) * Visual tweaks from 2020-10-06 polishing [\#5298](https://github.com/matrix-org/matrix-react-sdk/pull/5298) * Convert auth lifecycle to TS, remove dead ILAG code [\#5296](https://github.com/matrix-org/matrix-react-sdk/pull/5296)