When creating a Superflat world with parameter "biome_1" structures from any biome spawn in this world.
What I expected to happen was...:
Only structures from plains biome, such as: villages, mineshafts, trees etc.
What actually happened was...:
All of the above structures was spawning, but also desert and jungle temples, igloos, witch huts, shipwrecks, ocean ruins
Steps to Reproduce:
1. Create new Superflat world on 20w18a
2. Add parameter "biome_1" or use "Overworld" preset
3. Enjoy
Thank you for your report!
We're actually already tracking this issue in MC-180603, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature in the future to see if the issue has already been reported.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – ✍️ Feedback and Suggestions – 📖 Game Wiki