386.16

I cannot enable Adaptive QoS, the only options are "QoS"and Bandwidth Limiter, as shown in the image below: I have done a factory reset after installing.

Background: 10/100 cable Arris Modem with Linksys Orbi. Bufferbloat and lack of QOS on Orbi led me to purchase RT-AX58U and put Orbi in AP only mode. This is current state. Problem: When using stock firmware, AIProtection Web & Apps Filters/Time Scheduling works fine. When using Merlin 384.16...