Probably not a bug...but it'd be nice to check, just to make sure. Anyways...due to this, eventually the biomes 'Crimson Forest' and 'Warped Forest' eventually won't be Forests at all. So...yeah.
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is duplicated by 1
Comments 3
Thank you for your report!
However, this issue has been closed as Working as Intended.
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it works as intended.