Support for extension sideloading has ended
Today marks the release of Firefox 74 and as we announced last fall, developers will no longer be able to install extensions without the user taking an action. This installation … Read more
Articles in “developers”
Extensions in Firefox 74
Welcome to another round of updates from Firefox Add-ons in Firefox 74. Here is what our community has been up to: Keyboard shortcuts using the commands API can now be … Read more
FAQ for extension support in new Firefox for Android
Dec. 12, 2023 UPDATE: Please see this post for the most updated information around extensions on Firefox for Android. ************************************* What add-ons are supported on the new Firefox for Android? … Read more
Extensions in Firefox 73
As promised, the update on changes in Firefox 73 is short: There is a new sidebarAction.toggle API that will allow you to open and close the sidebar. It requires being … Read more
Extensions in Firefox 72
After the holiday break we are back with a slightly belated update on extensions in Firefox 72. Firefox releases are changing to a four week cycle, so you may notice … Read more
Test the new Content Security Policy for Content Scripts
As part of our efforts to make add-ons safer for users, and to support evolving manifest v3 features, we are making changes to apply the Content Security Policy (CSP) to … Read more
Secure your addons.mozilla.org account with two-factor authentication
Accounts on addons.mozilla.org (AMO) are integrated with Firefox Accounts, which lets you manage multiple Mozilla services from one login. To prevent unauthorized people from accessing your account, even if they … Read more
2019 Add-ons Community Meetup in London
At the end of October, the Firefox add-ons team hosted a day-long meetup with a group of privacy extension developers as part of the Mozilla Festival in London, UK. With … Read more
Extensions in Firefox 71
Firefox 71 is a light release in terms of extension changes. I’d like to tell you about a few interesting improvements nevertheless. Thanks to Nils Maier, there have been various … Read more