[Full Changelog](https://github.com/vector-im/riot-web/compare/v1.5.13...v1.5.14-rc.1) * Upgrade JS SDK to 5.2.0-rc.1 and React SDK to 2.3.0-rc.1 * Update from Weblate [\#12890](https://github.com/vector-im/riot-web/pull/12890) * App load tweaks [\#12869](https://github.com/vector-im/riot-web/pull/12869) * Add review policy doc [\#12730](https://github.com/vector-im/riot-web/pull/12730) * Fix artifact searching in redeployer [\#12875](https://github.com/vector-im/riot-web/pull/12875) * Fix Jitsi wrapper being large by getting the config from elsewhere [\#12845](https://github.com/vector-im/riot-web/pull/12845) * Add webpack stats which will be used by CI and stored to artifacts [\#12832](https://github.com/vector-im/riot-web/pull/12832) * Revert "Remove useless app preloading from Jitsi widget wrapper" [\#12842](https://github.com/vector-im/riot-web/pull/12842) * Remove useless app preloading from Jitsi widget wrapper [\#12836](https://github.com/vector-im/riot-web/pull/12836) * Update from Weblate [\#12829](https://github.com/vector-im/riot-web/pull/12829) * Fix version for Docker builds [\#12799](https://github.com/vector-im/riot-web/pull/12799) * Register Mac electron specific Cmd+, shortcut to User Settings [\#12800](https://github.com/vector-im/riot-web/pull/12800) * Use a local widget wrapper for Jitsi calls [\#12780](https://github.com/vector-im/riot-web/pull/12780) * Delete shortcuts.md [\#12786](https://github.com/vector-im/riot-web/pull/12786) * Remove remainders of gemini-scrollbar and react-gemini-scrollbar [\#12756](https://github.com/vector-im/riot-web/pull/12756) * Update electron to v7.1.14 [\#12762](https://github.com/vector-im/riot-web/pull/12762) * Add url tests to Modernizr [\#12735](https://github.com/vector-im/riot-web/pull/12735) * ElectronPlatform: Add support to remove events from the event index. [\#12703](https://github.com/vector-im/riot-web/pull/12703) * Bump minimist from 1.2.0 to 1.2.2 in /electron_app [\#12744](https://github.com/vector-im/riot-web/pull/12744) * Add docs and flag for custom theme support [\#12731](https://github.com/vector-im/riot-web/pull/12731) * Declare jsx in tsconfig for IDEs [\#12716](https://github.com/vector-im/riot-web/pull/12716) * Remove stuff that yarn install doesn't think we need [\#12713](https://github.com/vector-im/riot-web/pull/12713) * yarn upgrade [\#12691](https://github.com/vector-im/riot-web/pull/12691) * Support TypeScript for React components [\#12696](https://github.com/vector-im/riot-web/pull/12696)