v2.0 Not Support ?? Rated 1 out of 5 stars

Why v2.0 Not Support Mobile 4.0 - 11.0a1, SeaMonkey 2.0 and later, Thunderbird 3.0a1 and later ??
Tragedy......

This review is for a previous version of the add-on (2.0).  This user has a previous review of this add-on.