Atualmente estava procurando um Blu-ray ripper para OSX e encontrei o aplicativo MakeMKV.
Veja o Changelog da versão 1.5.2:
- Added support for MPEG audio tracks on DVD
- Corrected "code 28" error with some Blu-ray discs
- All LPCM audio formats from Blu-ray are now handled correctly
- Fixed occasional GUI failures
- Improved handling of Blu-ray discs with episodic content
- Various stability improvements