"ERROR: Mono: Core API hash mismatch." is a strong clue that it's using C# instead of GDScript. (I was on the lookout because the same error appears in my own g

"ERROR: Mono: Core API hash mismatch." is a strong clue that it's using C# instead of GDScript. (I was on the lookout because the same error appears in my own game. Apparently it's benign.)