@ScottinHTown Replying for those who may find this via search. It was definitely "fast roaming" as the issue. It's been off for a week and no issues. Turn it on, and they return immediately. The Deco...

@jzchen Thanks. It says for my Decos that my firmware is the latest. That being said, I think disabling Fast Roaming seems to have fixed my issues... which is odd. But at least workable for now.

@ScottinHTown Shocked to get NO response. Wow.

I've seen similar threads with no real fix and it seems to be an issue across different Deco Mesh hardware options. I bought the XE5300 from Costco. I bought two 3-packs as I have a large-ish home,...