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You'll see a warning in Firefox for Android when you try to install unverified or unsigned add-ons. Learn more about add-on signing.
As of Firefox 68 this plugin will no longer be available for new installations of Firefox on Android. Mozilla is considering future options.
If you see blank web pages or a white screen when you open Firefox on your Android device, try these steps to fix the problem.
Some popular video websites have changed their settings on the server side so that videos will no longer play in the background.
If you're using Firefox on your Nexus 6 or Nexus 9, you might experience temporary issues with video and audio files. Learn how to fix them.
The Firefox feature that enables you to run Firefox Marketplace apps will be removed from Firefox in version 47. There are a few ways to work around the change.