Without someone porting their code to the new WebExtensions API, these add-ons will be forcibly discontinued and removed from users' browsers in Firefox 57. Since Firefox isn't the fastest browser ...

Mozilla recently announced the discontinuation of Pocket and Fakespot features in Firefox as the organization wants to focus ...

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.

Many Firefox users around the world are browsing without their usual set of extensions after they suddenly stopped working earlier this evening. The event occurred as the clock rolled over on UTC ...

Over the past two weeks, Mozilla's add-on review team has banned 197 Firefox add-ons that were caught executing malicious code, stealing user data, or using obfuscation to hide their source code.

Mozilla released Firefox 8 today, a version that weeds out some add-ons and that will shoulder more responsibility for the organization's new fast-development process. "These add-ons installed by ...

Mozilla announced today that Firefox users have downloaded more than two billion browser add-ons. To mark the occasion, Mozilla has created a special list of the top 25 add-ons. Although Firefox ...

If you want to know what a chorus of angry Firefox users sounds like, just make them think you're taking away their browser add-ons. A blog post from Mozilla's Mike Connor, one of the company's ...

Just two weeks in, we're already huge fans of Firefox 4. It's a noticeable improvement over the previous version in speed, design, and customizable options. But customizing has its downside too.