spatial media V3 found.

[rtfty]

So i found someone who made a version of spatial media that can do multiple VR videos at the same time.
https://github.com/Newuser4654/Multi-Spatial-Media-Metadata-Injector-V3/commits/main/

[jamiesonpepper]

I would highly advise against downloading a precompiled binary that does not show its source code nor allow you to inspect it. That said I will be pushing a first draft of a Docker container that allows you to run the software on any OS by using docker exec to shell into the container.