Security improvements in AMO upload tools
We are making some changes to the submission flow for all add-ons (both AMO- and self-hosted) to improve our ability to detect malicious activity. These changes, which will go into … Read more
Upcoming changes to extension sideloading
Sideloading is a method of installing an extension in Firefox by adding an extension file to a special location using an executable application installer. This installs the extension in all … Read more
Add-on Policies Update: Newtab and Search
As part of our ongoing work to make add-ons safer for Firefox users, we are updating our Add-on Policies to add clarification and guidance for developers regarding data collection. The … Read more
Firefox Preview/GeckoView Add-ons Support
Back in June, Mozilla announced Firefox Preview, an early version of the new browser for Android that is built on top of Firefox’s own mobile browser engine, GeckoView. We’ve gotten … Read more
Search Engine add-ons to be removed from addons.mozilla.org
For the last eleven years, Firefox Search Engine add-ons have been powered by OpenSearch. With the recent implementation of the search overrides API, a WebExtensions API that offers users more … Read more
Extensions in Firefox 70
Welcome to another round of new additions and changes to extensions, this time in Firefox 70. We have a new API, some improvements on existing APIs, and some great additions … Read more
Friend of Add-ons: B.J. Herbison
Please meet our newest Friend of Add-ons, B.J. Herbison! B.J. is a longtime Mozillian and joined add-on content review team for addons.mozilla.org two years ago, where he helps quickly respond … Read more
Community Involvement in Recommended Extensions
In July we launched the Recommended Extensions program, which entailed a complete reboot of our editorial process on addons.mozilla.org (AMO). Previously we placed a priority on regularly featuring new extensions … Read more
Mozilla’s Manifest v3 FAQ
What is Manifest v3? Chrome versions the APIs they provide to extensions, and the current format is version 2. The Firefox WebExtensions API is nearly 100% compatible with version 2, … Read more