More as a warning than a call for help: My devices updated to firmware 81.1-58210 two days ago and have since been shown as offline in openHAB (current version 4.2.2 on Debian 12). In openhab.log i found only these entries:
2024-11-04 20:52:13.591 [INFO ] [s.internal.handler.ZonePlayerHandler] - UPnP device RINCON_XXXXXXXXXXXXXXXXX is absent (thing sonos:PLAY1:RINCON_XXXXXXXXXXXXXXXXX)
2024-11-04 20:52:14.197 [INFO ] [s.internal.handler.ZonePlayerHandler] - UPnP device RINCON_XXXXXXXXXXXXXXXXX is absent (thing sonos:PLAY1:RINCON_XXXXXXXXXXXXXXXXX)
2024-11-04 20:52:22.120 [INFO ] [s.internal.handler.ZonePlayerHandler] - UPnP device RINCON_XXXXXXXXXXXXXXXXX is absent (thing sonos:PLAY1:RINCON_XXXXXXXXXXXXXXXXX)
2024-11-04 20:52:30.906 [INFO ] [s.internal.handler.ZonePlayerHandler] - UPnP device RINCON_XXXXXXXXXXXXXXXXX is absent (thing sonos:PLAY1:RINCON_XXXXXXXXXXXXXXXXX)
2024-11-04 22:17:58.128 [INFO ] [s.internal.handler.ZonePlayerHandler] - UPnP device RINCON_XXXXXXXXXXXXXXXXX is absent (thing sonos:OneSL:RINCON_XXXXXXXXXXXXXXXXX)
2024-11-04 22:17:58.128 [INFO ] [s.internal.handler.ZonePlayerHandler] - UPnP device RINCON_XXXXXXXXXXXXXXXXX is absent (thing sonos:Arc:RINCON_XXXXXXXXXXXXXXXXX)
2024-11-04 22:17:58.129 [INFO ] [s.internal.handler.ZonePlayerHandler] - UPnP device RINCON_XXXXXXXXXXXXXXXXX is absent (thing sonos:OneSL:RINCON_XXXXXXXXXXXXXXXXX)