Wanna make my own blurays, idk what software people use. I used to use dvdfab for dvds but my files are bluray mkvs so I imagine dvdfab would reduce the quality. Would like ones I make to work on real players. The printing side of it I already have figured out
The term you’re looking for is “bluray authoring”.
Search for that. Industry tends to use Scenarist but it would be too expensive for an individual and they probably wouldn’t sell to you anyways. There are semi-pro tools, most paid, some hundreds of Euros.
Edit: here’s a list of some of the better ones with prices: https://www.videohelp.com/software/sections/authoring-bd-hd-dvd