From the Pale Moon Facebook page:
“Since several people have been asking about this: Pale Moon is in no way associated or affiliated with the Mozilla Corporation.”
https://www.facebook.com/PaleMoonBrowser
Yeah, Randall pointed that out to me.. I have just installed it and about 99% of my add-ons are working ;^) I can’t even tell a difference now (Using Noia Skin, same as on FireFox :))
BUT, I am running the windows version on Linux. No problems so far, but will look into a Linux version later.