Rated 1 out of 5 stars

I found another option now my Firefox and Thunderbird always goes to minimize no matter what!

Rated 5 out of 5 stars

Works perfect on Windows 10

Rated 5 out of 5 stars

Went back to Firefox 39 and now works fine!

Rated 3 out of 5 stars

Doesn't work with Firefox 40. :(