In order to make your issue reports as actionable as possible, please provide the following information, depending on the issue type.

Bug report

For bug reports, provide this information, please:

What Debezium connector do you use and what version?

oracle connector 
3.2.0.Alpha1

What is the connector configuration?

using LOG_MINER_UNBUFFERED

What behavior do you expect?

the `scn` should be updating on an interval as the new low-point for logminer queries. 

What behavior do you see?

this scn is not updating properly and is stuck at the same as the snapshot_scn

issue came to attention in this zulip thread:
#community-oracle > debezium 3.2 unbuffered scn vs commit_scn tracking question