Description of problem: When I start and then minimize thunderbird, the icon in the task bar is the Generic X Window icon. How reproducible: Simple Steps to Reproduce: 1. Install and launch thunderbird 2. Minimize it to the task bar 3. Notice generic icon Actual results: It uses a generic icon Expected results: It uses the thunderbird icon Additional info: Other applications (see screenshot) work just fine. It just seems to be thunderbird that doesn't have the correct icon.
Created attachment 126442 [details] Screenshot
Just in case it wasn't clear, this is in KDE.
I'm seeing this too.
*** This bug has been marked as a duplicate of 177823 ***