There's more info on the recently leaked 1997 build of OOT. It apparently contains all the text of the game up to that point and there a some interesting differences in the story compared to the final game like Navi being rescued in the first dungeon and the game starting on a fairy ceremony.
https://tcrf.net/Proto:The_Legend_of_Zelda:_Ocarina_of_Time/Late_1997_Overdump/Scenario
CC: @coolboymew
/pol/