Minecraft

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Originally Posted by MacIronhawk

Wo, wait just a minute. Who told you this or did you see Notch post it himself?

According to Notch and Jeb, the old worlds will be just fine, although the transition going from the 1.7.3 world to the 1.8 world may look very ugly. You can imagine what it may look like for a mountain to just stop halfway and turn into grassland.

But yeah, I've seen Notch and Jeb repeatedly tell people that their old world will be fine, although it will be a rough transition when loading new chunks.

You can play on old worlds, but you will have to travel away from your spawn point for the new things to generate.