BUG Bewertet mit 5 von 5 Sternen

Hello

Since the update today the small icon no longer appears in the taskbar thunderbird can you tell me why and can you help me
thank you in advance for your reply
Cordially

Diese Bewertung wurde für eine vorherige Version des Add-ons (2.1.5.1-signed) abgegeben. 

Try right-clicking on the toolbar/statusbar area and select Customize... You should see a ReminderFox or ribbon icon that you can drag anywhere you want. Can you try that and see if that works any better?