I opened a ticket as well and zero response so the pattern seems to be repeating.

Glad it worked out for you. I wish I could say the same for me. I'm still having some Chromecast Discovery dropouts. It fixed some other issues though.

Just bought 3 Unifi NanoHDs. Goodbye TPLink. I was a great customer until this experience. Never again.

Arrrrgh, I am so pissed off. Cast discovery is acting up again. This updated completely wrecked my network and there's no way out of this.

After more time than I care to admit, I have found my issue. Turning off "Mesh Technology" on every device exhibiting strange behavior seems to have fixed all of my issues. (Device list, click each...

Wired backhaul here and just running in AP mode. I take back what I said about beamforming. This system is effing garbage. I'll be sure to tell everyone I know never to buy another TP Link product...