pitti: no, but if you've been upgrading/package testing, you might be seeing: bug #761289 ("Trash/ws switcher icon in unity resets to default icon theme on the event of a deletion or emptying the trash or after an upgrade").
pitti: no, but if you've been upgrading/package testing, you might be seeing: bug #761289 ("Trash/ws switcher icon in unity resets to default icon theme on the event of a deletion or emptying the trash or after an upgrade").