99% of the add-ons that are hosted on http://addons.mozilla.org are compatible and had been automatically updated to be compatible. Can you list which ones you use that are not?
> it was quite eye-opening when I learned that only 25% of the 600 million add-ons in use every day in Firefox 4 and later are active on AMO.
http://blog.fligtar.com/2011/09/26/add-on-compatibility-prog...
https://addons.mozilla.org/en-US/firefox/addon/roboform-onli...