www.makemkv.com

Never mind, I just noticed this drive is scratching my discs. So I'm going to stop trying. Maybe buy a different one.

I have a Buffalo BRUHD-PU3-BK. I bought it from Amazon US, but it seems to be the Japanese model (at least, most of the text on the box is in Japanese). I flashed it with HL-DT-ST-BD-RE_BU40N-BU12-OM01001-211902230922.bin, and MakeMKV now says LibreDrive is enabled, but it can't recognize any 4K Blu...