Description

Adding a media track(.mp4/avi) into a level sequence causes the editor to hang when scrubbing the timeline, or enabling/disabling the media track.

Steps to Reproduce

1. Create a Sequence and add a camera to it.
2. Key some random movements to the camera track
3. Add a media track and assign a file (.mp4/.avi) media to it
4. scrub the track or enable/disable the media track 

Expected 
Level Sequence Editor scrubs and functions normally

Result
Editor Hangs

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-193841 in the post.

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Unresolved
ComponentMedia Framework
Affects Versions5.3
Target Fix5.4
CreatedAug 24, 2023
UpdatedNov 6, 2023