There are two glitches here:
1. Selecting the Appearance tab for the first time causes the Dock to disappear briefly.
2. Toggling the "Auto-hide the Dock" setting causes the Dock (plus the Settings icon) and the Application menu to flash and re-render.
Screencasts are attached below. Pay attention to the Dock (plus the Settings icon) and the Application menu.
There are two glitches here:
1. Selecting the Appearance tab for the first time causes the Dock to disappear briefly.
2. Toggling the "Auto-hide the Dock" setting causes the Dock (plus the Settings icon) and the Application menu to flash and re-render.
Screencasts are attached below. Pay attention to the Dock (plus the Settings icon) and the Application menu.