Tested in 18.04, and Wallch's icon is properly sized. Neither Clementine nor Skype are displayed as indicators, but appear as classic tray icons.
I could not test with Google Music Manager because it does not show any tray icon unless you actually sign in with a Google account.
Tested in 18.04, and Wallch's icon is properly sized. Neither Clementine nor Skype are displayed as indicators, but appear as classic tray icons.
I could not test with Google Music Manager because it does not show any tray icon unless you actually sign in with a Google account.