Massive lakes of 1-4 block deep lakes of water spawn in the lower terrain that makes up the desert, possibly from issues with the new local water level system. This water also fills all caves open to the surface.
Environment
Java Version, Windows 10, GPU: RX-5700, 32 GB DDR4 RAM, 9th generation Intel i-9700k. 5GB of RAM allocated towards Minecraft.
Thank you for your report!
We're tracking this issue in MC-214836, so this ticket is being resolved and linked 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 to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki