Starting November 21, 2022 add-on developers are welcome to upload their Firefox Manifest version 3 (MV3) compatible extensions to addons.mozilla.org (AMO) and have them signed as MV3 extensions. Getting an … Read more
Manifest V3 (MV3) is bringing new user-facing changes to Firefox, including an extensions button to manage installed and enabled browser extension permissions (origin controls), providing Firefox users control over extension … Read more
Early next year, Firefox will release Mozilla’s Manifest V3 (MV3). Therefore, it’s an ideal time to consider migrating your Manifest V2 extensions. One of our goals throughout our approach to … Read more
While MV3 is still in development, many major features are already included in the Developer Preview, which provides an opportunity to expose functionality for testing and feedback. With strong developer … Read more
It’s been about a year since our last update regarding Manifest v3. A lot has changed since then, not least of which has been the formation of a community group … Read more
The addons.mozilla.org (AMO) external API has offered add-on developers the ability to submit new add-on versions for signing for a number of years, in addition to being available to get … Read more
It’s been a year since we last added support for new JavaScript syntax to the add-ons linter. In that time we’ve used it to validate over 150,000 submissions to AMO … Read more
Update: The policies are now live, please see the main policy for details. From time to time, the Add-ons Team makes changes to the policies in order to provide more … Read more
There are multiple ways to find great add-ons on addons.mozilla.org (AMO). You can browse the content featured on the homepage, use the top navigation to drill down into add-on types … Read more