[Full Changelog](https://github.com/vector-im/element-web/compare/v1.7.8...v1.7.9-rc.1) * Upgrade to React SDK 3.6.0-rc.1 and JS SDK 8.5.0-rc.1 * Update from Weblate [\#15406](https://github.com/vector-im/element-web/pull/15406) * Update Jest and JSDOM [\#15402](https://github.com/vector-im/element-web/pull/15402) * Add support for dehydration/fallback keys [\#15398](https://github.com/vector-im/element-web/pull/15398) * Remove riot-bot from sample config [\#15376](https://github.com/vector-im/element-web/pull/15376) * Switch to using the Widget API SDK for Jitsi widgets [\#15102](https://github.com/vector-im/element-web/pull/15102) * Remove workbox [\#15352](https://github.com/vector-im/element-web/pull/15352) * Disable workbox when running in webpack dev server, not in dev mode [\#15345](https://github.com/vector-im/element-web/pull/15345) * Update Riot -> Element in contribute.json [\#15326](https://github.com/vector-im/element-web/pull/15326) * Update Riot -> Element in redeploy.py [\#15336](https://github.com/vector-im/element-web/pull/15336) * Update Riot -> Element in docs/feature-flags.md [\#15325](https://github.com/vector-im/element-web/pull/15325) * Update Riot -> Element in element.io/README.md [\#15327](https://github.com/vector-im/element-web/pull/15327) * Update Riot -> Element in VectorAuthFooter [\#15328](https://github.com/vector-im/element-web/pull/15328) * Update Riot -> Element in VectorEmbeddedPage [\#15329](https://github.com/vector-im/element-web/pull/15329) * Update Riot -> Element in docs/review.md [\#15330](https://github.com/vector-im/element-web/pull/15330) * Update Riot -> Element in welcome.html [\#15332](https://github.com/vector-im/element-web/pull/15332) * Update Riot -> Element in issues-burndown.pl [\#15333](https://github.com/vector-im/element-web/pull/15333) * Update Riot -> Element in redeploy.py [\#15334](https://github.com/vector-im/element-web/pull/15334) * Update Riot -> Element in index.ts [\#15335](https://github.com/vector-im/element-web/pull/15335) * Update Riot -> Element Web in issue templates [\#15324](https://github.com/vector-im/element-web/pull/15324) * Give the Jitsi widget an icon to help with discovery [\#15316](https://github.com/vector-im/element-web/pull/15316) * Jitsi widget wrapper updates for hangup button [\#15219](https://github.com/vector-im/element-web/pull/15219) * Tidy up Service Worker, only run Workbox in production [\#15271](https://github.com/vector-im/element-web/pull/15271) * Remove conference handler [\#15274](https://github.com/vector-im/element-web/pull/15274) * Rebrand the webpack pipeline for Element [\#15266](https://github.com/vector-im/element-web/pull/15266) * Replace dummy sw.js with pre-caching and runtime-caching workbox SW [\#15196](https://github.com/vector-im/element-web/pull/15196)