As of November 3rd 2025, all new Firefox extensions will be required to specify if they collect or transmit personal data in their manifest.json file using the browser_specific_settings.gecko.data_collection_permissions key. This … Read more
“What if we did a Spotify Wrapped for your browser?” wondered a group of Cal State Monterey Bay computer science students. That was the initial spark of an idea that … Read more
In response to feedback we’ve heard from the community, AMO (addons.mozilla.org) just introduced a new feature allowing developers the ability to quickly roll back to a previously approved extension version. … Read more
At Firefox, we deeply value the incredible contributions of our add-ons developer community. Your creativity and innovation are instrumental in making Firefox a more personalized and powerful browsing experience for … Read more
The developer community should be aware we’ve detected a phishing campaign targeting AMO (addons.mozilla.org) accounts. Add-on developers should exercise extreme caution and scrutiny when receiving emails claiming to be from … Read more
POST UPDATED: 4 August, 2025 — Updated policies for addons.mozilla.org (AMO) are now in effect. We also added a new section about implicit consent for self-evident, single-use data transmission. Here’s … Read more
In a previous blog post I explained that we’re working to streamline the data consent experience for extensions and allow users to consent to sharing data with extensions directly in … Read more
Exciting news: with yesterday’s release of Firefox 138, tab groups are now available to all users! Tab groups have been a long standing feature request for users, so it’s wonderful … Read more
Hello, extension developers! I’m Alan, the Product Manager at Mozilla responsible for the Firefox add-ons ecosystem. I wanted to share news about a project we’re working on that will streamline … Read more