@MikeP I have tried that in the past as well. So far, the only consistent remedy is to power cycle the affected bulb. I have a Google WiFi Mesh (1 primary + 2 satellites). None of the other TP-Link...

In the most recent case the bulb is less than 6ft from the AP. In fact, there are 2 bulbs and only one dropped. My house is well blanketed by my WiFi. While a possibility I believe it is a low one.

I use Home Assistant for my home automation, using ZigBee devices as well as Kasa switches and bulbs. I have a mix of HS200, HS210, HS220, KL110 and KL130 (27 in total, 9 are KL110/130 lights). All...