This might not be possible from what I have seen in other questions, but I just want to be sure.
I want to replace a clip in a video or audio track with a newer version (video_v1.mp4 to video_v2.mp4)
You can walk across all clips in a sequence, and change their source projectItem (and start time offset); see usage here.
Samples/Premiere.jsx at master · Adobe-CEP/Samples · GitHub
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