Rated 5 out of 5 stars

per ZeBoxx el mar. 19, 2010 · enllaç permanent

on-topic: awesome extension!

off-topic-ish:
@AbandonInPlace and @Netscapist
Alternatively, download the "Nightly Tester Tools" add-on. This allows you to override the version check per-extension without the need for manual editing. YMMV.