I've successfully used SK6812-MINI-E LEDs in several projects recently, and I'm considering using lots of them in the near future. I'll be using this little board to verify performance and power requirements before scaling to thousands of LEDs.
sndsgd/sk6812-mini-e-test
PCB for verifying SK6812-MINI-E performance and power consumption
MakefileCERN-OHL-P-2.0