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So I went to an autocross yesterday and we had a "morning session", then a lunch break and then an "afternoon session" 2 hours after the end of the morning session. When I came back home I've tried to import and link some of my onboard videos. It went problem-free for the afternoon runs, but when I tried doing the same for my morning videos, they would all end up somewhere in the middle of the lunch break.
I worked around by somehow linking to the start of the morning session first and then re-linking later.
This happened when using RaceChrono v7.0.6 on Android and importing GoPro videos via File Browser.