Hi jon, thanks for sharing it.
As I see it, the “circadian benefits” claim is partially dishonest marketing, as it seeks to differentiate the product in something that really is not different from almost any bulb below 3000K. While color temperature and light spectrum are different things, it won’t matter much as most LEDs will have very similar light spectrum at these color temperatures (i.e. the worst feature of cheap LEDs is that they have a very pronounced blue peak, but a cheap LED that is <3000K won’t have the blue peak anyway).
Apart from that, waveformlighting’s bulbs are much better than mainstream bulbs in regard to very high PWM frequencies (in the order of 40k-50k Hz) and light spectrum (again, mostly relevant at colder whites, as warm whites are pretty similar among LEDs). I’ve heard that their heat sink is horrible though, so I don’t expect their bulbs to last much, and would rather buy a more expensive bulb from SunLike (their cheaper models are around 30€) which have a great heat sink so that in theory will make up for it by lasting for many years, and also have better spectrum and controller too.