FBX Hang Freeze

[SpecterArdy]

Release Type: Official Release

Version: 4.2.0.2381 Platform(s): Windows Describe the bug FBX Loading freezes entire editor, takes ~20 minutes for it to unfreeze

To Reproduce Steps to reproduce the behavior:

1. Import a model with many blendshapes
2. Drag into scene
3. Watch it freeze

Expected behavior Generates model preview, and loads within the editor scene

Screenshots Video is provided https://chaoscanine.com/Raccoon/fbx.mp4

Log and callstacks N/A

Additional context N/A

[Kryptos-FR]

What was the status of your machine at that time in term of RAM and CPU (just before dropping)?

[SpecterArdy]

22% ram was idling at nice 20% of 64GB