Yes, the Multiprotocol update in Jan broke something. My zigbee Devices randomly dropout. A restart is required to fix.
2024-02-24 14:37:46.534 ERROR (MainThread) [bellows.uart] Lost serial connection: ConnectionResetError(‘Remote server closed connection’)
2024-02-24 14:37:46.536 ERROR (MainThread) [bellows.ezsp] NCP entered failed state. Requesting APP controller restart
2024-02-24 14:37:46.550 WARNING (MainThread) [homeassistant.helpers.dispatcher] Unable to remove unknown dispatcher <bound method GroupProbe._reprobe_group of <homeassistant.components.zha.core.discovery.GroupProbe object at 0x7f72dd9250>>
charstring
(Chris Grant)
22
I am having this issue too. I just expected it to resolve itself, but a few months on I’m less sure. Have you found a fix?
bedoron
(Doron)
23
I’m having the same issue with Sonoff Bridge running Tasmota FW. restarting HA make it work for ~24H but it ultimately fails.
blubo
(Bo Lubo)
24
How did you solve the problem? I have a similar issue.
TC19x6
25
Same issues here 
Any new informations?
kanzie
(Christian Nilsson)
26
I’m having this exact issue too now. What kind of corner cases are we?