Hmm I used 27.2a. Maybe try also copying the 'lib' folder from the older version? And then the 'renpy' folder, if it's still not working?
Or do it the other way and copy the 'game' folder from the new version to an older version? (Or as last resort, try replacing only the folders 'gui', 'images,' 'Json', 'music', 'saves', 'sfx' from the 'game' folder?)
I honestly have no idea otherwise, sorry

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