The new browser won't let new third-party add-ons run until users give the say-so, and it suggests old ones be disabled. Also: Twitter search and a tab tune-up. Stephen Shankland worked at CNET from ...

Firefox supports small programs, or plug-ins, that add extra functionality to the browser. These programs are called Add-ons. These programs can add a myriad of features ranging from a new toolbar ...

Over the coming year, Firefox will be putting the finishing touches on a plan it set in motion in 2015, which was to replace the aging Add-ons API with a new system called WebExtensions, based on the ...

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 ...

Firefox add-ons are a great way to add features and improve security in Mozilla’s browser, but they can seriously slow performance too. Now Mozilla is taking action against those speed-killing ...