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It's unclear exactly everything that is broken but the game has massive bugs since early 2019 that result in all kinds of music, crashes, softlocks, etc. I originally beat the game on the patch that was live around September 2018, as the game had initial game breaking bugs in the initial release.

You may want to make version I think it is available.

I'm not sure there is a best version but if I had to suggest one that I know is beatable without all these major issues being introduced by the console release (they ported code back to PC to keep the entire codebase consistent).

Had I known this was a crazy disaster, I would have disallowed updating and would revert my own version.