I’m not sure on the culprit, but it’s either HA or the ZHA integration and I suspect the latter.
I have a Sonoff Zigbee bridge which has been flashed with Tasmota and configured for ZHA.
I have two Sonoff snzb-02 temp/humidity sensors added to the bridge.
They can work fine for a day or so, but then one or both will show offline in HA, even though the Zigbee bridge is fine on the Tasmota console. Checking the network map will show the bridge and sensors as last seen X hours ago (same time).
Reloading the ZHA integration does nothing, but restarting HA always solves the issue.
Has anyone seen the same and have a better solution?