“Maybe you’ve seen your favorite extensions fall behind when new Firefox releases roll out, but you haven’t known what to do about it. A new-ish Mozilla add-on not only enables technically incompatible extensions for testing, but makes reporting actual incompatibilities easy…”
via – Lifehacker
Add-On Compatibility Reporter Enables Incompatible Firefox Extensions, Reports If Still Not Working
Whenever you gets the updates of Firefox (for only browser),most of the time there is chance of incompatibility of any of your favorite add-on.
So here is simple and effective hack for this problem…
Check this link out for more detail & simple explanation along with images
Make Any Add-on Compatible To Any Firefox: ProBlogBooster