Apparently the build is from six months before JP release. https://archive.org/details/test-00000-xrd-6640.-7z
Oh, nice! I don't know the Persona series all that well, but more prototypes being dumped is always a good thing!
There's also been a December build (8 months prior) which includes.... Nanako? https://vxtwitter.com/REALMadMax1960/status/1748701575877439857
March 8 2016 Proto: https://archive.org/details/test-00000-xrd-6641.-7z December 4th 2015 Proto: https://archive.org/details/Persona5-Dec4th2015-ZeroSectorErrors There are also May and June 2016 protos coming. On top of this someone is getting two Persona 5 Royal protos: https://twitter.com/plqowo/status/1748291588626035158
I haven't been able to run any them due to being busy but I've been reading tcrf's slow documenting of it. Something I want to make note of is: During the final phase of the Shadow Shido fight, he'll isolate Joker and fight him one on one. He doesn't do this in the final. Which he does do in Royal. What a wild peek behind the curtain.
May 2016: https://archive.org/details/decryptMay2016.7z June 2016: https://archive.org/details/June3rd2015 There was also a PS4 proto that was a "non debug master build" from July 12th, 2016: https://twitter.com/TailsGuy92/status/1749563893742010703 https://twitter.com/TailsGuy92/status/1749570505718284292 The P5R protos are on-hand as well: https://twitter.com/TailsGuy92/status/1749997485328634169
