...
A side effect is that you will briefly see 2 sessions at the end of the race until they are matched.
...
Unfortunately, it could stay forever in certain case.
I have done two SP hotstint sessions in ACC. When exiting, the first one appears on two lines (two session records). One was complete, the other, labelled practice, with only one lap inside. The second SP hotstint was as expected with only one session recorded.
And a small reminder, change track year popup window is still saved in absolute position instead of relative to main windows.