An error occurred while saving the commentMatthew Boman commented
Word up! Yes this is such an annoying issue! Here's been the only thing that helped me:
Make a time line that matches just the interpreted footage (after interpreting) and have only that same type of interpreted footage in that time line. Then under file - project settings - general switch the Renderer to "Mercury Playback Engine Software Only. At least this stopped my footage from glitching out when scrubbing. Once you've pulled selects from that footage, paste those clips into a main timeline.
I shoot a lot on the a7sii, 4k and HD slow motion. There isn't always time to transcode all footage out in ME, and when dealing with different frame rates transcoding can cause other problems.
Come on Adobe! :P I know h.264 is a dELivErY format but premiere shouldn't take a dump when you import some .mp4's! Let's go!