I downloaded the source to this. Seems to be r2 even though the archive is named r3.
Can't see any major changes to the e-uae emulation code itself. The biggest change is a custom "osdep" with PS3 specific code.
I think I might be able to compile 0.8.29-WIP4 with these changes. I'll give it a go in a couple of days. Sorry I can't do it before. I'm busy 'til then.