[Full Changelog](https://github.com/matrix-org/matrix-react-sdk/compare/v3.4.1...v3.5.0-rc.1) * Upgrade JS SDK to 8.4.0-rc.1 * Update from Weblate [\#5246](https://github.com/matrix-org/matrix-react-sdk/pull/5246) * Upgrade sanitize-html, set nesting limit [\#5245](https://github.com/matrix-org/matrix-react-sdk/pull/5245) * Add a note to use the desktop builds when seshat isn't available [\#5225](https://github.com/matrix-org/matrix-react-sdk/pull/5225) * Add some permission checks to the communities v2 prototype [\#5240](https://github.com/matrix-org/matrix-react-sdk/pull/5240) * Support HS-preferred Secure Backup setup methods [\#5242](https://github.com/matrix-org/matrix-react-sdk/pull/5242) * Only show User Info verify button if the other user has e2ee devices [\#5234](https://github.com/matrix-org/matrix-react-sdk/pull/5234) * Fix New Room List arrow key management [\#5237](https://github.com/matrix-org/matrix-react-sdk/pull/5237) * Fix Room Directory View & Preview actions for federated joins [\#5235](https://github.com/matrix-org/matrix-react-sdk/pull/5235) * Add a UI feature to disable advanced encryption options [\#5238](https://github.com/matrix-org/matrix-react-sdk/pull/5238) * UI Feature Flag: Communities [\#5216](https://github.com/matrix-org/matrix-react-sdk/pull/5216) * Rename apps back to widgets [\#5236](https://github.com/matrix-org/matrix-react-sdk/pull/5236) * Adjust layout and formatting of notifications / files cards [\#5229](https://github.com/matrix-org/matrix-react-sdk/pull/5229) * Fix Search Results Tile undefined variable access regression [\#5232](https://github.com/matrix-org/matrix-react-sdk/pull/5232) * Fix Cmd/Ctrl+Shift+U for File Upload [\#5233](https://github.com/matrix-org/matrix-react-sdk/pull/5233) * Disable the e2ee toggle when creating a room on a server with forced e2e [\#5231](https://github.com/matrix-org/matrix-react-sdk/pull/5231) * UI Feature Flag: Disable advanced options and tidy up some copy [\#5215](https://github.com/matrix-org/matrix-react-sdk/pull/5215) * UI Feature Flag: 3PIDs [\#5228](https://github.com/matrix-org/matrix-react-sdk/pull/5228) * Defer encryption setup until first E2EE room [\#5219](https://github.com/matrix-org/matrix-react-sdk/pull/5219) * Tidy devDeps, all the webpack stuff lives in the layer above [\#5179](https://github.com/matrix-org/matrix-react-sdk/pull/5179) * UI Feature Flag: Hide flair [\#5214](https://github.com/matrix-org/matrix-react-sdk/pull/5214) * UI Feature Flag: Identity server [\#5218](https://github.com/matrix-org/matrix-react-sdk/pull/5218) * UI Feature Flag: Share dialog QR code and social icons [\#5221](https://github.com/matrix-org/matrix-react-sdk/pull/5221) * UI Feature Flag: Registration, Password Reset, Deactivate [\#5227](https://github.com/matrix-org/matrix-react-sdk/pull/5227) * Retry joinRoom up to 5 times in the case of a 504 GATEWAY TIMEOUT [\#5204](https://github.com/matrix-org/matrix-react-sdk/pull/5204) * UI Feature Flag: Disable VoIP [\#5217](https://github.com/matrix-org/matrix-react-sdk/pull/5217) * Fix setState() usage in the constructor of RoomDirectory [\#5224](https://github.com/matrix-org/matrix-react-sdk/pull/5224) * Hide Analytics sections if piwik config is not provided [\#5211](https://github.com/matrix-org/matrix-react-sdk/pull/5211) * UI Feature Flag: Disable feedback button [\#5213](https://github.com/matrix-org/matrix-react-sdk/pull/5213) * Clean up UserInfo to not show a blank Power Selector for users not in room [\#5220](https://github.com/matrix-org/matrix-react-sdk/pull/5220) * Also hide bug reporting prompts from the Error Boundaries [\#5212](https://github.com/matrix-org/matrix-react-sdk/pull/5212) * Tactical improvements to 3PID invites [\#5201](https://github.com/matrix-org/matrix-react-sdk/pull/5201) * If no bug_report_endpoint_url, hide rageshaking from the App [\#5210](https://github.com/matrix-org/matrix-react-sdk/pull/5210) * Introduce a concept of UI features, using it for URL previews at first [\#5208](https://github.com/matrix-org/matrix-react-sdk/pull/5208) * Remove defunct "always show encryption icons" setting [\#5207](https://github.com/matrix-org/matrix-react-sdk/pull/5207) * Don't show Notifications Prompt Toast if user has master rule enabled [\#5203](https://github.com/matrix-org/matrix-react-sdk/pull/5203) * Fix Bridges tab crashing when the room does not have bridges [\#5206](https://github.com/matrix-org/matrix-react-sdk/pull/5206) * Don't count widgets which no longer exist towards pinned count [\#5202](https://github.com/matrix-org/matrix-react-sdk/pull/5202) * Fix crashes with cannot read isResizing of undefined [\#5205](https://github.com/matrix-org/matrix-react-sdk/pull/5205) * Prompt to remove the jitsi widget when pressing the call button [\#5193](https://github.com/matrix-org/matrix-react-sdk/pull/5193) * Show verification status in the room summary card [\#5195](https://github.com/matrix-org/matrix-react-sdk/pull/5195) * Fix user info scrolling in new card view [\#5198](https://github.com/matrix-org/matrix-react-sdk/pull/5198) * Fix sticker picker height [\#5197](https://github.com/matrix-org/matrix-react-sdk/pull/5197) * Call jitsi widgets 'group calls' [\#5191](https://github.com/matrix-org/matrix-react-sdk/pull/5191) * Don't show 'unpin' for persistent widgets [\#5194](https://github.com/matrix-org/matrix-react-sdk/pull/5194) * Split up cross-signing and secure backup settings [\#5182](https://github.com/matrix-org/matrix-react-sdk/pull/5182) * Fix onNewScreen to use replace when going from roomId->roomAlias [\#5185](https://github.com/matrix-org/matrix-react-sdk/pull/5185) * bring back 1.2M style badge counts rather than 99+ [\#5192](https://github.com/matrix-org/matrix-react-sdk/pull/5192) * Run the rageshake command through the bug report dialog [\#5189](https://github.com/matrix-org/matrix-react-sdk/pull/5189) * Account for via in pill matching regex [\#5188](https://github.com/matrix-org/matrix-react-sdk/pull/5188) * Remove now-unused create-react-class from lockfile [\#5187](https://github.com/matrix-org/matrix-react-sdk/pull/5187) * Fixed 1px jump upwards [\#5163](https://github.com/matrix-org/matrix-react-sdk/pull/5163) * Always allow widgets when using the local version [\#5184](https://github.com/matrix-org/matrix-react-sdk/pull/5184) * Migrate RoomView and RoomContext to Typescript [\#5175](https://github.com/matrix-org/matrix-react-sdk/pull/5175)