Every time I upgrade Firefox I get a notice that Pentadactyl isn't compatible, at which point it asks if I'd like to check for a newer version. Then it searches

Every time I upgrade Firefox I get a notice that Pentadactyl isn't compatible, at which point it asks if I'd like to check for a newer version. Then it searches and installs the latest snapshot and that's it. I've found nothing wrong with the nightly version.