We had now time to investigate this further. And honestly, I have no idea why it behaves differently.
One thing which could interfere with this problem is this issue: https://senbox.atlassian.net/browse/SNAP-1062
The output format automatically chosen is not deterministic if it is not specified.
Now, that there are two reports, and it seems to be nothing user specific, I’ve created an issue for this. [SNAP-1079] - JIRA