The conversion from 2D to 3D was done scene by scene. In total, it took about 20 hours of manual work. The process was significantly complicated due to the dynamic scenes and motion blur.
As usual, DeoVR destroys quality through heavy compression.
You can find better quality at YT:
Anaglyph version: https://youtu.be/5sOabFBiR3s
SBS version: https://www.youtube.com/watch?v=rdYlBP-ozkE
03:53
03:14
18:45
23:26
31:04
08:05
