Pro LibreDrive Blu-ray flashing tip:
If you have a Buffalo BRXL-16U3 and it uses an LG BH16NS58 with drive platform MT1959, you can flash "WH16NS60 1.02-MK" as mentioned in this post with encryption and makemkvcon from MakeMKV 1.17.7 for Linux (in the binary tar gz, works on Arch right now but haven't updated within a few days) and it'll enable LibreDrive:
https://forum.makemkv.com/forum/viewtopic.php?p=186648#p186648
Instructions for flashing, will require modifying: