I can confirm that the problem seems to have been solved (build 16990). Domoticz has been running stable for 8 days now without any crashes.

Volumio hardware stops working after a while. A restart of the hardware fixes the problem temporarily. This issue occurs with Volumio 4, not with previous versions.

Sample of error messages in domoticz log:
Error: (ProcessWholeMessage) Unknown Operation Code (13) encountered.
Error: Volumio: Call ...

After running stable for 5 days the Philips Hue Bridge hardware caused Domoticz to crash again.

Domoticz 2025.2 (build 16954) on a Pi4B running Bookworm
Philips Hue Bridge hardware connected over port 443
Hue Bridge v2 (square white, BSB002) API version 1.74 Software version 1974063020

Thread 34 ...

Thanks for providing the update Domoticz 2025.2 (build 16954). Hopefully this fixes the Domoticz crashes due to the Hue hardware since the Hue bridge update to software version 1974063020 (model-ID BSB002).

I also experienced random crashes of domoticz every couple of hours due to the hue plugin (as shown in the domoticz_crash.log). Before domoticz has been stable for years. After disabling the hue plugin the system was stable.

It started after updating the Hue Bridge V2 to fw 1974063020. At that ...