Intermittent problems are the worst, I’ve always disliked them.
Is there any way I can verbosely see the calendar event details in logcat mode?
I can try to pinpoint this log payload in my own calendar where I am seeing this issue by looking for that event name in the sync log files.
Yes, when you turn on DAVdroid logging, all synchronized events will be logged, including date/time/time zone and name, so you can then search for the names.
I guess it maybe somehow related to the time zone… maybe it happens only for events when DST is (in)active or around the DST change?
However, the best thing would be to turn on DAVdroid logging and leave it on until the problem occurs (will take some space). Then every required information should be in the logs.