Wait, the AQL changes for ath10k aren't in 19.07? I'm seeing the aqm/airtime fairness controls/stats, but don't know what to look for in /sys/kernel to see if AQL is present (if it's visible there at all), or if I'm going to have to run side-by-side tests...
Relatedly, the current 80211 queue setup is still using the 4 traffic-class queues per station, correct? Is there any way to turn that off without building your own kernel?
(I recently upgraded my "main" AP to an Archer A7 v5 (ath10k), and moved the WRT1900AC out to a place where it will see fewer simultaneous clients (and inserted a dedicated router for WAN, but that's a separate thread).