I never had that problem with my M5's but I only have Nest IQ OUTDOOR models and just 2 of them. Not sure which models you all have. Do you have the newer IQ models? I have since "upgraded" to M9s...

@Tony Well, checked the M9 support section and it seems the "Rev 2" M9 Plus has recent updates but my "Rev 1.8" has been left behind.

@Thijs @Tony that's probably why they didn't update the M9 to the 1.3.1 firmware that shows these connections. :) It probably caused too many people to question the same thing. I sold my M5's for...

@DannyS Since pricing is dropping like a rock on M9's all over (Costco 3-pack for $199, Walmart 2-Pack for $179, best buy was $199 but now back up to $249) something seems to tell me these have been...

@Jacobyvvyv6 Didn't mean to imply you were a spammer just that there were about 40 messages around yours that were. I simply wouldn't be concerned and I DEFINATELY wouldn't buy new hardware. Just...

@Carl Not sure why, but it has become stable after a couple full resets,