It was app version 1.5.000023 and recording straight to SSD (T7).
I'm uploading example now to a shared drive, I'll link once uploaded.
Below is the metadata for one of the clips, you can see the prores duration is 00:13:52:09 and the h.265 proxy is 00:13:52:07.
Any idea on why this might be?

- Screenshot 2024-07-24 at 13.40.43.png (119.87 KiB) Viewed 986 times

- Screenshot 2024-07-24 at 13.40.43.png (119.87 KiB) Viewed 986 times