I can confirm this bug. When I rotate my screen 90 degrees the background of the dock moves appropriately, but the icons and launchers stay in the same location only rotated 90 degrees. Also, when a new app is loaded all of the icons readjust to the correct location.
I can confirm this bug. When I rotate my screen 90 degrees the background of the dock moves appropriately, but the icons and launchers stay in the same location only rotated 90 degrees. Also, when a new app is loaded all of the icons readjust to the correct location.