yes, only the mkv is available, and i don’t think it’s blu-ray compatible.
Correct. It doesn’t have letterboxing baked in, so the picture dimensions aren’t a standard 1280x720, which is required for a 720p BD.
Ok is it relatively easy to put in those letterbox bars? To get to the correct aspect ratio? What program will I need?
Edit. Never mind figured it out thank you.