In Firefox 81, we have improved error messages for extension developers and updated user-facing notifications to provide more information on how extensions are modifying their settings. For developers, the menus.create … Read more
Today, we are launching a pilot program to give developers a way to promote their add-ons on addons.mozilla.org (AMO). This pilot program, which will run between the end of September … Read more
Dec. 12, 2023 UPDATE: Please see this post for the most updated information around extensions on Firefox for Android. ************************************* Last week, we finished rolling out the new Firefox for … Read more
Developers create extensions for a variety of reasons. Some are hobbyists who want to freely share their work with the world. Some find a way to turn their project into … Read more
Firefox 80 includes some minor improvements for developers using the downloads.download API: When using the saveAs option, the save dialog now shows a more specific file type filter appropriate for … Read more
Add-ons offer a powerful way for people to customize their web experience in Firefox. From content blocking and media enhancement to productivity tooling, add-ons allow third-party developers to create, remix, … Read more
We have a little more news this release: a new API method, a reminder about a recently announced change, a preview of some things to come, and a few interesting … Read more
Firefox 79, which will be released on July 28, includes changes to the storage.sync area. Items that extensions store in this area are automatically synced to all devices signed in … Read more
When an add-on is submitted to Firefox for validation, the add-ons linter checks its code and displays relevant errors, warnings, or friendly messages for the developer to review. JavaScript is … Read more