v0.10.0-rc.2

Full Changelog

• Update from Weblate.
  #4150
• styling for webrtc settings
  #4019
• Update from Weblate.
  #4140
• add styles for compact layout
  #4132
• Various tweaks to fetch-develop-deps
  #4147
• Don't try to build with node 6.0
  #4145
• Support 12hr time on DateSeparator
  #4143
• Update from Weblate.
  #4137
• Update from Weblate.
  #4105
• Update from Weblate.
  #4094
• Update from Weblate.
  #4091
• Update from Weblate.
  #4089
• Update from Weblate.
  #4083