Created attachment 6961 Patch against 0.8.1 I've been sitting on this patch for a few months so I thought I'd better get it out there. I've heavily relied on it as I watch a lot of Blu-rays. There's not a lot more I can say about it!
James Le Cuirot referenced this bugreport in commit 8bc682457c34c426065eb250974649b2096b1a00 Add support for Blu-ray media (Bug #13297) https://git.xfce.org/xfce/thunar-volman/commit?id=8bc682457c34c426065eb250974649b2096b1a00
Well, better late than never. Thanks for your contribution.