When generating a new flatlands world in 1.2.0.2 Beta the biome is set to Ocean instead of Plain like it was previously as well as in other versions of Minecraft.
Attached world was generated, then I TP'd to 0,0. All the chunks at spawn and at 0,0 were Ocean
Cleaning up old tickets: This ticket has not been updated recently (1 year+) so is being closed as Cannot Reproduce. If you feel this is still a valid issue then please comment, or create a new ticket following the Issue Guidelines.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Feedback – 📖 Game Wiki