I have an RT-AC5300 as the AiMesh router, and then multiple RT-AC68U AiMesh nodes.
F/W: 3.0.0.4.384_32799
All nodes were factory reset and installed per instructions, with wired backhaul
the 2.4Ghz band has Roaming Assistant, Airtime Fairness, Multi-User MIMO, Universal Beamforming off
Nearly...