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 ...

In context: Root certificates are an essential element for modern browser security. They protect users by verifying signed web pages, extensions, and other types of content. However, developers must ...

As we’ve mentioned previously, Firefox’s vast library of add-ons makes it easy to build the browser into a productivity juggernaut. We uncovered a few more must-have customizations for improving your ...

If your Firefox browser add-ons have suddenly stopped working, are now “unsupported” without any warning, or you can’t install any new ones, don’t worry: Mozilla is aware of these bugs and is working ...

One quick path to better productivity is a browser that’s customized with all the tools you need close at hand. Firefox is arguably the most customizable browser, with a well-stocked library of ...

Used by an estimated 360 million worldwide internet users, Mozilla Firefox is the fourth most popular web browser on the planet. It's also thought to be one of the more secure options available, ...