In case it helps someone else.
Been using and loving a Netgear Nighthawk R7000 for a few years. No issues. Wanted to try something newer with WiFi6 and maybe mesh.
So I picked up the new Netgear MK62:
Installed it with no issues Friday evening. And by keeping the same SSID and password I didn’t need to reconnect any devices.
But over the weekend we noticed our iPhones and iPads would periodically drop off the wifi only to reconnect a minute or so later. But never any other devices that I could see. TV streaming for example was fine.
Googling I found this:
Enabled it last night (IPV6) and no drop outs since then. Hopefully it stays that way.