Rated 4 out of 5 stars

Από τον/την Χρήστης Firefox 6fa24f στις Ιούν. 12, 2022 ·

The icons are very nice, but the addon itself often doesn't start with Thunderbird, why?
In that case, I always have to turn the addon off and then on to load it.

Αυτή η αξιολόγηση γράφτηκε για παλιότερη έκδοση του πρόσθετου (3.5). 

από τον Dillinger (δημιουργός) στις Ιούν. 14, 2022 ·

I can't reproduce this, what other add-ons do you have installed?
You can try to clear the startup cache:
Help > More Troubleshooting Information > Clear startup cache...

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