v1.5.16-rc.1

Full Changelog

• Upgrade React SDK to 2.4.0-rc.1 and JS SDK to 5.3.0-rc.1
• Update from Weblate
  #13078
• Mention Jitsi support at the .well-known level in Jitsi docs
  #13047
• Add new default home page fallback
  #13049
• App load order tweaks for code splitting
  #13032
• Add some docs about Jitsi widgets and Jitsi configuration
  #13027
• Bump minimist from 1.2.2 to 1.2.3 in /electron_app
  #13030
• Fix Electron mac-specific shortcut being registered on Web too.
  #13020
• Add a console warning that errors from Jitsi Meet are fine
  #12968
• Fix popout support for jitsi widgets
  #12975
• Some grammar and clarifications
  #12925
• Don't immediately remove notifications from notification trays
  #12861
• Remove welcome user from config
  #12894