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 ...

On November 14 Mozilla will take the biggest gamble in its long history when the organization will ship Firefox 57, the first version of its browser that will stop supporting legacy Firefox add-ons.

On October 25, the development team said that in early June, Firefox discovered add-ons that were misusing the browser's proxy API, used by software to manage how the browser connects to the internet.

Mozilla has acknowledged an issue with its Firefox browser that has caused add-ons to become disabled or fail to install altogether. The browser team is "actively working on a fix" for the issue.

The company will stop supporting Firefox ESR 52, the final release that is compatible with legacy add-ons, in two weeks. Mozilla this week laid out the roadmap for ending Firefox support for all ...

Mozilla has launched a verified badge and a 'By Firefox' badge to help users find trusted add-ons. Add-on developers must pay a fee to get their add-on reviewed before they can get a badge. Mozilla ...