Leviton DW1KD-1BZ constantly unavailable as of a few weeks ago

I have a pair of Leviton DW1KD-1BZ wifi switches that have been working great for months and suddenly they disconnected and are unavailable in smartthings. I have updated their firmware with no avail, they work perfectly in the leviton app so I know they are online and functioning normally. I can completely remove both devices and reinstall the leviton app and they will connect for the better part of the day, but that isn’t sustainable.

Is there a recent update to smartthings I can roll back or something? Seems odd it was sudden.

Thanks,

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That looks like a bigger thread of my issue, thanks.

Ill start tracking there.