Fix stuttering and freezing when playing video files inside Unreal Engine sequencer (both for in-game playback and for MRQ export/renders)
Also tutorial will show how to play video files inside sequencer and scrub around (starts at 03:30).
https://dev.epicgames.com/community/learning/tutorials/8ydW/unreal-engine-fix-blocking-media-playback-timed-out-disabling-it-for-this-playback-session