Bug description:
When generating a world using the caves buffet type (any biome), stone and underground resources are replaced by netherrack. Water at sea level is replaced by lava, although small underground pockets of water spawn beneath this. This bug only occurs in snapshots 20w21a and 20w22a.
Reproduce:
To reproduce this bug, generate a caves buffet world and select any biome while playing on snapshots 20w21a or 20w22a.
Thank you for your report!
However, we are already tracking this issue, and this report is a Duplicate of MC-184644 and MC-184793.
Please use the search function in the future to prevent duplicate reports.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – ✍️ Feedback and Suggestions – 📖 Game Wiki