I didn’t see this thread before and was just hungry for the hap ac² and the cap ac by looking at the specs. they arrived yesterday.
for me the signal strength improved a bit on both devices. however, i confirm from my side that the throughput is much slower.
i am not using yet the RC firmware. i have the 6.41.4 running.
I really hope this will be solved very soon. I don’t want to be forced to return the devices, since the specs and price were exactly what my wet dreams were about the whole last year.