[Full Changelog](https://github.com/vector-im/riot-web/compare/v1.6.2...v1.6.3-rc.1) * Upgrade to JS SDK 6.2.0-rc.1 and React SDK 2.7.0-rc.2 * Get rid of welcome.html's Chat with Riot Bot button [\#13842](https://github.com/vector-im/riot-web/pull/13842) * Update from Weblate [\#13886](https://github.com/vector-im/riot-web/pull/13886) * Allow deferring of Update Toast until the next morning [\#13864](https://github.com/vector-im/riot-web/pull/13864) * Give contextual feedback for manual update check instead of banner [\#13862](https://github.com/vector-im/riot-web/pull/13862) * Add app-load doc [\#13834](https://github.com/vector-im/riot-web/pull/13834) * Update Modular hosting link [\#13777](https://github.com/vector-im/riot-web/pull/13777) * Replace New Version Bar with a Toast [\#13776](https://github.com/vector-im/riot-web/pull/13776) * Remove webpack-build-notifier from lockfile [\#13814](https://github.com/vector-im/riot-web/pull/13814) * Add media queries and mobile viewport (#12142) [\#13818](https://github.com/vector-im/riot-web/pull/13818) * Fix @types/react conflict in matrix-react-sdk [\#13809](https://github.com/vector-im/riot-web/pull/13809) * Fix manual update checking, super in arrow funcs doesn't work [\#13808](https://github.com/vector-im/riot-web/pull/13808) * Update from Weblate [\#13806](https://github.com/vector-im/riot-web/pull/13806) * Convert platforms to Typescript [\#13756](https://github.com/vector-im/riot-web/pull/13756) * Fix EventEmitter typescript signature in node typings [\#13764](https://github.com/vector-im/riot-web/pull/13764) * Add docs and labs flag for new room list implementation [\#13675](https://github.com/vector-im/riot-web/pull/13675) * Add font scaling labs setting. [\#13352](https://github.com/vector-im/riot-web/pull/13352) * Add labs flag for alternate message layouts [\#13350](https://github.com/vector-im/riot-web/pull/13350) * Move dispatcher references in support of TypeScript conversion [\#13666](https://github.com/vector-im/riot-web/pull/13666) * Update from Weblate [\#13704](https://github.com/vector-im/riot-web/pull/13704) * Replace favico.js dependency with simplified variant grown from it [\#13649](https://github.com/vector-im/riot-web/pull/13649) * Remove Electron packaging scripts [\#13688](https://github.com/vector-im/riot-web/pull/13688) * Fix postcss order to allow mixin variables to work [\#13674](https://github.com/vector-im/riot-web/pull/13674) * Pass screenAfterLogin through SSO in the callback url [\#13650](https://github.com/vector-im/riot-web/pull/13650)