Strange Random Behavior Z-Wave Devices

Something strange has happened (Z-Wave only, C7) over the last few days.

I had a wall switch turn on in the middle of the night. Two days later, a wall dimmer did not turn off when it was supposed to (via RM). I really haven't changed anything or added any rules in at least a year except for periodic firmware upgrades.

I thought it was a switch going bad so I did a power down on the switch, then factory reset, and exclusion/inclusion. I also turned on text logging for every device to see if anyone is flooding the mesh. Everything looks fine- no repeating or chatty messages.

Thinking that the only thing that has changed in the hub was firmware, I went back from version 2.3.6.146 to version 2.3.5.152. It's been a week now and everything is working as it should.

I'm not saying there is something wrong with the latest version, I just want to know if anyone has experienced strange reliability issues after things have been running great for long periods of time.

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