Looks like we have the same problem.
tested with version 2022-04-16 and 2021-04-18.
If we run a detailed Stock List report for the current day we get different amounts and "stock in" records which the stock balance consists of for some items in comparison to the same report for the yesterday.
Item History report shows the last "event" a month ago, so no actions were done with that item todays and yesterday.
We tried to do Item status recalculation, but it didn't help.
Any ideas?

Customer used to rebuild stock regularly. Could it be the reason?
Also I can see some Stock depreciations in the Item History register have an empty "Source" field, which should not be empty.