Rated 1 out of 5 stars

"Extras"/Test-Pilot"/"All your studies" shows permanently "Loading, please wait..." without ever finishing.
This doesn't change even after re-download an full re-install.

Disappointing - the user intends to support Mozilla, and then even the feedback software is broken. Not so great...

Đánh giá này là cho một phiên bản trước của tiện ích (1.3.4). 

This is fixed in 1.3.5.