Thanks to everyone who has volunteered so far for alpha testing! We have a pretty decent mix of systems, services, and skills. Since I'll want to keep this test small and varied, I'm going to be a bit more discerning about adding others if you happen to be coming across this later.
I've been doing some pretty tough tests myself, including converting all my movies and some TV shows. The program is working really well, so I've also been focused on more efficiencies and ease of use. Last time I mentioned batch/bash files, but have now moved to stand-alone executables (which caused so many issues to fix
). As such, you shouldn't even need to install Python anymore!

Yes, there will be MacOS and Linux versions, as much of a pain as they are going to be for me create. 
Now that I've done this, I'm still considering how to deal with updating. This might mean the return of the batch/bash scripts, or leaving it to users to manually download an update.