An expired certificate on the Mozilla Add-ons infrastructure is disabling Firefox add-ons for millions of users, and is also preventing users from re-activating or (re-)installing extensions. The ...

What is a Mozilla Firefox Addon or Extension? Mozilla Firefox addons or extensions are programs that can be installed into Firefox in order to change the browser's functionality. This includes adding ...

A Sunday afternoon browser update fixed the lapsed certificate, which Mozilla had used to digitally sign Firefox extensions. After the certificate expired, the browser add-ons stopped working. Mozilla ...

Unlock powerful extensions on Firefox Android to strip trackers, darken sites, and skip tedious sponsored segments ...

The misbehaving Firefox add-ons were misusing an API that controls how Firefox connects to the internet. Mozilla’s Firefox team has blocked add-ons that were abusing the proxy API in order to prevent ...

Since late last night, Firefox users have been plagued with a problem that meant no add-ons were working. Extensions were disabled and users were unable to re-enable them, causing confusion and ...

Mozilla has announced a pilot program, ostensibly to give developers an opportunity to boost the discoverability of their Firefox add-ons, by having them reviewed and recommended. During the pilot.

Mozilla is making it easier to choose the best Firefox add-ons from a sea of extensions you'd usually have to wade through. The latest version of Firefox for desktop now comes with a list of ...