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 ...

Mozilla announced today plans to remove all Firefox legacy add-ons from the official Mozilla add-ons portal later this year, in early October. The move comes after Mozilla updated the Firefox core to ...

Mozilla is revamping the way Firefox add-ons are tested. The changes will ensure that fans of the new Aurora and Beta early release channels can test future versions of Firefox and have working ...

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 is ...

Wouldn't it be nice if you could click one link and have all your favorite add-ons automatically installed on a new copy of Firefox? Mozilla makes it so with Collections, the newest feature of a ...

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 ...

Mozilla says a pair of malicious Firefox add-ons slipped by its security checks and infected approximately 4,600 Windows computers over the last five months. The browser add-ons, described my Mozilla ...

Mozilla late Thursday confirmed that it had failed to detect malware in a pair of Firefox add-ons, which may have infected up to 4,600 users. The add-ons have been removed from Firefox’s official ...

Mozilla began an aggressive campaign earlier this year to trim Firefox’s memory footprint with a new initiative called MemShrink. The first fruits of that effort landed in Firefox 7, which was ...

As we reported yesterday, Google had to address an issue with Chrome and tainted browser extensions “Add to Feedly” and “Tweet This Page” that began to spit out unwanted ads, prompting a backlash from ...

Back in July, Mozilla disclosed plans to modernize its Firefox browser. Today, the organization made those plans more concrete, with a tentative timeline for introducing long-desired improvements such ...

Mozilla blocked malicious Firefox add-ons installed by roughly 455,000 users after discovering in early June that they were abusing the proxy API to block Firefox updates. The add-ons (named Bypass ...