FULL PRODUCT VERSION :


ADDITIONAL OS VERSION INFORMATION :
Arch Linux x64 with GNOME desktop environment, this bug also shows in KDE, Unity and Cinnamon desktop environments

A DESCRIPTION OF THE PROBLEM :
The tray icon of an application which is supposed to have transparency has a light-gray background instead, this problem does not seem to happen on Windows or Linux with XFCE desktop environment though.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Use an application which has a tray icon with transparent background on a Linux distribution


REPRODUCIBILITY :
This bug can be reproduced always.