Upgraded to 388.8 on an AX86U Pro and have none of the issues I posted about here when I was on 388.7.
https://www.snbforums.com/threads/asuswrt-merlin-3004-388-7-is-now-available.89811/page-16#post-908005
My trouble devices work just fine on 388.8 without any of the suggested changes from the...
Upgraded from 3004.388.6_2 and had problems specifically with Roomba J7 devices. I have two of them. They would not stay connected to the 2.4 Ghz AP. They would connect and disconnect in an endless loop every few seconds. Showing only 1Mbps TX and RX rate when connected. A factory reset was done...