From a large bug report on launchpad affecting many apps: https://bugs.launchpad.net/ubuntu/+source/banshee/+bug/403135?comments=all
Essentially, tray icons are being drawn with non-transparent backgrounds. This is usually from setting their (not always correct) color to bg_color rather than just transparent.
http://launchpadlibrarian.net/41246531/screen.png is a screenshot showing Spotify (and a few other, non-Wine apps) using the wrong background in the system tray.
From a large bug report on launchpad affecting many apps: https:/ /bugs.launchpad .net/ubuntu/ +source/ banshee/ +bug/403135? comments= all
Essentially, tray icons are being drawn with non-transparent backgrounds. This is usually from setting their (not always correct) color to bg_color rather than just transparent.
http:// launchpadlibrar ian.net/ 41246531/ screen. png is a screenshot showing Spotify (and a few other, non-Wine apps) using the wrong background in the system tray.