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Add-ons Update – 2016/10

Here’s the state of the add-ons world this month.

The Review Queues

In the past month, 1,755 listed add-on submissions were reviewed:

  • 1,438 (82%) were reviewed in fewer than 5 days.
  • 119 (7%) were reviewed between 5 and 10 days.
  • 198 (11%) were reviewed after more than 10 days.

There are 223 listed add-ons awaiting review.

If you’re an add-on developer and are looking for contribution opportunities, please consider joining us. Add-on reviewers are critical for our success, and can earn cool gear for their work. Visit our wiki page for more information.


The compatibility blog post for Firefox 50 is up, and the bulk validation was run recently. The compatibility blog post for Firefox 51 has published yesterday. It’s worth pointing out that the Firefox 50 cycle will be twice as long, so 51 won’t be released until January 24th, 2017.

Multiprocess Firefox is now enabled for users without add-ons, and add-ons will be gradually phased in, so make sure you’ve tested your add-on and either use WebExtensions or set the multiprocess compatible flag in your add-on manifest.

As always, we recommend that you test your add-ons on Beta and Firefox Developer Edition to make sure that they continue to work correctly. End users can install the Add-on Compatibility Reporter to identify and report any add-ons that aren’t working anymore.


We would like to thank Atique Ahmed Ziad, Surya Prashanth, freaktechnik, shubheksha, bjdixon, zombie, berraknil, Krizzu, rackstar17, paenglab, and Trishul Goel (long list!) for their recent contributions to the add-ons world. You can read more about their work in our recognition page.

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