I have my panel transparent, and liferea icon is not been drawn transparent.
Created attachment 332596 [details] Screenshot 1
Created attachment 332597 [details] Screenshot 2
Thank you for the bug report. This issue needs to be addressed by the upstream developers. Please submit a report at http://liferea.sourceforge.net. You are requested to add the bugzilla link here for tracking purposes. Please make sure the bug isn't already in the upstream bug tracker before filing it.
The information we've requested above is required in order to review this problem report further and diagnose or fix the issue if it is still present. Since it has been thirty days or more since we first requested additional information, we're assuming the problem is either no longer present in the current Fedora release, or that there is no longer any interest in tracking the problem. Setting status to "CLOSED: INSUFFICIENT_DATA". If you still experience this problem after updating to our latest Fedora release and can provide the information previously requested, please feel free to reopen the bug report. Thank you in advance.