merlin 384.8

I have one of these devices and its constantly disconnecting from the network, sometimes it's totally unresponsive and I have to reboot it (like just now). Supposedly this is a supported device, but I'm wondering now. I have no problem supplying logs, but I'm not sure if the current logs would...

I just bought a new Asus RT-AC1900P (RT-AC68U variant) and installed Merlin 384.8 on it. I've faced an issue that have given me some headache before understanding the source of it. I wasn't able to setup my device to disable UPNP and some drop-down menus were empty. Each time I clicked on...