This is a list of the experiments from the WebExtensions roadmap on Trello. In cases of discrepancy, bugzilla > trello > this page are the definitive sources.


  • Done: This experiment is done and merged into mozilla-central.
  • Experimenting: The experiment exists and is listed here, but isn’t ready into mozilla-central yet.
  • In development: Someone is working on it.
  • Approved: Sounds like a good idea, someone needs to work on it.
  • Thinking about: Still thinking if this a good idea.