v0.13.4-rc.1

Full Changelog

• Error on splash screen if sync is failing
  #2155
• Do full registration if HS doesn't support ILAG
  #2150
• Re-apply "Don't rely on room members to query power levels"
  #2152
• s/DidMount/WillMount/ in MessageComposerInput
  #2151
• Revert "Don't rely on room members to query power levels"
  #2149
• Don't rely on room members to query power levels
  #2145
• Correctly mark email as optional
  #2148
• guests trying to join communities should fire the ILAG flow.
  #2059
• Fix DM avatars, part 3
  #2146
• Fix: show spinner again while recovering from connection error
  #2143
• Fix: infinite spinner on trying to create welcomeUserId room without consent
  #2147
• Show spinner in member list while loading members
  #2139
• Slash command to discard megolm session
  #2140