I am experiencing something similar.
I first physically turned the switch on, then physically increased the brightness 3 times, then physically turned the light off. That all reported properly.
I then, through the device page in Hubitat, turned the light on, turned the brightness down 3 times, then turned the light off. Turning the light on was reported as a [physical] on, although it was a digital from the device page, the digital change in brightness wasn't logged and then turning the light off digitally was accurately reported.