4.16.6 - Update copyright year - tasklist: Fix scrolling through window buttons (Fixes #692) - tasklist: Do not duplicate menu item activation - clock: Fix sync timeout - libxfce4panel: Fix a memory leak - panel: Chain up to parent in constructed() - panel: Add missing sanity check - panel: Fix test likeliness - clock: Filter out 'posix' and 'right' directories. - clock: Fixed zone info directory. Fixes #646 - tasklist: Properly update fallback icon (Fixes #636) - panel: Chain-up to parent in style_updated() (Fixes #490) - Translation Updates: Asturian, Catalan, Chinese (China), Finnish, Greek, Hungarian, Interlingue, Korean, Lithuanian, Russian