Some wrote a esp32 based controller that uses a language he wrote, it’s called FADE.
http://www.riderx.info/fade-an-esp32-animation-system/
The only interesting part is it basically allows time based setting of lights… So “turn on for X microseconds, turn off for X microseconds.”
In other news,
To light up COB white LEDs using ws2811, they use 2 PWM (2 color channels) to improve/smooth the low light values, essentially adding bits to the 8 bits normally found.
If you’re a PB user, these seem kinda meh… We’ve got 12 bit access for pixels that support it, and most (but not all) of the features of that new controller language… But hey, maybe this will give someone some new ideas or requests?