Hue items doesn't work after a time. No issue in the logs

Yes the onEventData messages are logged exactly when they are send from te bridge.
But the item change event doesn’t match. The event was recognised by the bridge at 17:02:24 and shows up in the log at 17:11:02

2024-12-17 17:11:02.880 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T17:02:24.249+0100 to 2024-12-17T17:06:11.226+0100

So for me it seems not to be a problem with motion or lux. Looks more like a delayed processing of the change event.

Here you see that something change yesterday after 10:00. At the end there is a short delay:

2024-12-17 10:01:10.829 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Temperature_Last_Updated' changed from 2024-12-17T09:56:13.061+0100 to 2024-12-17T10:01:10.790+0100
2024-12-17 10:16:47.298 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Temperature_Last_Updated' changed from 2024-12-17T10:01:10.790+0100 to 2024-12-17T10:16:04.105+0100
2024-12-17 10:21:47.261 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Temperature_Last_Updated' changed from 2024-12-17T10:16:04.105+0100 to 2024-12-17T10:21:01.839+0100
2024-12-17 10:27:15.569 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T09:59:52.526+0100 to 2024-12-17T10:25:54.471+0100
2024-12-17 10:27:17.301 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Temperature_Last_Updated' changed from 2024-12-17T10:21:01.839+0100 to 2024-12-17T10:25:59.604+0100
2024-12-17 10:27:17.319 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T10:25:54.471+0100 to 2024-12-17T10:26:08.854+0100
2024-12-17 10:31:57.471 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T10:26:08.854+0100 to 2024-12-17T10:31:27.623+0100
2024-12-17 10:31:57.789 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T10:31:27.623+0100 to 2024-12-17T10:31:42.072+0100
2024-12-17 10:40:56.615 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Temperature_Last_Updated' changed from 2024-12-17T10:25:59.604+0100 to 2024-12-17T10:40:52.943+0100
2024-12-17 10:46:09.102 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Temperature_Last_Updated' changed from 2024-12-17T10:40:52.943+0100 to 2024-12-17T10:45:50.767+0100
2024-12-17 10:51:43.875 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Temperature_Last_Updated' changed from 2024-12-17T10:45:50.767+0100 to 2024-12-17T10:50:48.582+0100

and this delay grows over the time:

2024-12-17 18:33:22.038 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T18:29:03.302+0100 to 2024-12-17T18:29:17.595+0100
2024-12-17 18:33:22.072 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T18:29:17.595+0100 to 2024-12-17T18:29:59.460+0100
2024-12-17 18:33:22.096 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T18:29:59.460+0100 to 2024-12-17T18:30:18.885+0100
2024-12-17 18:33:22.123 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T18:30:18.885+0100 to 2024-12-17T18:30:58.626+0100
2024-12-17 18:33:22.166 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T18:30:58.626+0100 to 2024-12-17T18:31:08.578+0100
2024-12-17 18:33:22.212 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T18:31:08.578+0100 to 2024-12-17T18:31:09.791+0100
2024-12-17 18:33:22.232 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T18:31:09.791+0100 to 2024-12-17T18:31:19.750+0100
2024-12-17 18:33:24.939 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T18:31:19.750+0100 to 2024-12-17T18:31:21.769+0100
2024-12-17 18:33:27.141 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Motion_Last_Updated' changed from 2024-12-17T18:31:21.769+0100 to 2024-12-17T18:31:34.728+0100
2024-12-17 18:33:27.155 [INFO ] [openhab.event.ItemStateChangedEvent ] - Item 'Hue_Motion_Flur_EG_Temperature_Last_Updated' changed from 2024-12-17T18:27:31.170+0100 to 2024-12-17T18:32:29.231+0100