i have GT-AX11000 main router and ZenWiFi AX (XT8) as a aimesh node. After update ZenWIFI to 3.0.0.4.388.22068 is completely unusable, every few hours it disconnects and is non-functional. After returning FW: 3.0.0.4.388_21617 everything is fine. For me is 3.0.0.4.388.22068 complete garbage.