RGB controller is greatly improved. Color fades now keep the same color all the way to off instead of dropping uneven color channels early, improving Reactive Advanced and Random Raindrop mode quite nicely over the Shine 5/YOTG. This is undocumented.
LED demo mode ignores the onboard USB2 and USB3 power modes and uses its own mode, between USB2 and USB3 power mode. Using USB3 power mode on the Shine 5/YOTG in LED demo mode could potentially cause basic USB2 AC/wall chargers to overheat after awhile, if the keyboard were set to white LED at high brightness.