VideoCardz came across a video that showcases the RGB LED effects of the new Wraith Max cooler that ships with some Ryzen processors. The RGB LED ring can be controlled via software, which supports many light effects.
The site also published a screenshot that reveals the new Downcore feature of Ryzen. This seems to be a new BIOS feature that gives you a great level of control over the number of cores the chip is allowed to use. You can disable up to six of the eight core of Ryzen 7 and you even have some control over which cores should be used.