@EJas As far as I know there weren't power outages involved. I finally returned home. Cycling power didn't fix the problem. I went through the relinking procedure with one device that had "lost it"...

I have a number of TP-link switches and outlets on my home Wi-Fi network which I control from my KASA app when I am not at home. I am not at home and one by one the devices are losing connectivity to...