Check if Firefox Add-On is Compatible with Latest Firefox Version
Firefox add-on incompatiblity is an issue that every Firefox user will deal with everytime a new version of Firefox is released. You have to wait until the developers update the add-ons if you still want to be able to keep using it with the new Firefox. The problem is, if you do have more than just a number of plugins installed, then it will probably take much of your time to check one by one to find out if each is compatible with the latest Firefox version.

The solution is to install a Firefox add-on called Is It Compatible?. With this add-on, you can find out instantly which version is supported by each add-on as you can see in the screenshot above. If your favorite add-ons support the newest version of Firefox, then you can perform the update without worry.
Download and install Is It Compatible? Firefox add-on
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