Even not converting the scene the bone orientations are off, freezing transforms didn’t correct it either. I’ve been tracking an issue where some bones and orientations have been being scrambled during import to UE5 from FBX or in this user’s case the asset file directly.
I’m going to test my theory here that it’s something with how 5.1 converts the skeletons.
Edit: Testing shows that is likely not the case, hrm.