Don't be afraid to ask for help. I'm making changes to this tutorial all the time. Your feedback is greatly appreciated!
Step 1: Install UE 4.22 with Epic Games Launcher
Step 2: Extract Assets
Step 3: Import to 3D modelling application
Step 3a: Import the base mesh to Blender
Step 3b: Rename everything
Step 3c: Apply the morph targets
This is a good time to save your .blend file!
As it turns out, .psk file format just doesn't have the capability of holding vertex normals. Exporting models as glTF format however, does retain normals.
It's a completely different file format though and it's unsupported and there is very little information about it. But in my testing, I believe this can export Morphed normals data correctly.
umodel_morph_fix2.zip
- Source code is now based on (forked from) May 6, 2020 revision of the main repository.