2024 was a busy year for the Firefox Add-ons group. Attendees may be familiar with browser extension development but not up-to-date on every change across browsers, This talk examine some of the biggest changes that have landed in the past year including improvements to Manifest V3 support, add-on support in Firefox for Android, and a look at some cross-browser extension development patterns that have been unlocked.

Attendees are encouraged to share feedback on these features with Add-ons team members after the talk and over the course of the event.