Today Mozilla Labs has released an early version of a new add-on for Firefox – Rainbow – that will enable web developers to access local video and audio recording capabilities in the browser.

Previously exclusive to Firefox Nightly, add-ons have been available on the main Firefox browser app since 2022. These add-ons let you install any web browser extension on the Firefox Android app ...

If you are using the Firefox browser, and have encountered with this annoying YouTube sound issue, we recommend using a Firefox add-on called SoundFixer to fix the problem on the web.

Mozilla sets plan to dump Firefox add-ons, move to Chrome-like extensions Developers will have until mid-2017 to switch to the new programming model.

On the desktop, Firefox also now has tab audio indicators, so you can find which sites are being noisy and mute them in one click, without leaving your current tab.

Firefox users report having add-ons disabled, being unable to re-activate or (re)-install extensions.