[MC-120209] Ice Plains bug

Dear Mojang,
I am experiencing a bug on Minecraft 1.12.1. What happens is when I go to create a new custom world I change it to Ice Plains but, when I do that it changes to the Mushroom Island biome.

Thank you for your time,
Splatiox.

Linked issues

duplicates 1

MC-54484 Customized World Preset Biome ID >= 8 adds 2 Resolved

Comments 1

null 2017-08-18T00:03:14Z

⚠️ Please do not mark issues as private, unless your bug report is an exploit or contains information about your username or server.

Thank you for your report!
However, this issue is a Duplicate of MC-54484.

It has been linked to this report. If you have additional information, please add it to that report.
Please search before reporting, as it's likely that one exists already.

Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki