Compatibility
Minecraft: Java Edition
1.20.4–1.20.6
Platforms
Data Pack
Supported environments
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Details
Licensed MIT
Published 9 months ago
Updated 6 months ago
Update 1.21 without trial chambers
Enables the Update 1.21 experimental features, but disables the trial chambers and breeze. Notably, in 1.20.5+ the new raid mechanics will also be enabled, with pillagers dropping ominous bottles instead of giving bad omen.
Enabled | Disabled |
Crafter
Copper bulb Copper blocks Tuff blocks New raid mechanics |
Trial chambers
Trial spawner and vault Heavy core Breeze Bogged Trial key Wind charge |
---|
Data pack instructions
After installation, DON'T enable the separate "update_1_21 (feature)" data pack!
Adding to a new singleplayer world
- Open the "Data Packs" selection screen when creating a new world
- Drag the downloaded datapack zip file onto the game window
- Move data pack to the "Selected" column and click "Done"
- Accept the "Experimental Features Warning"
- Change any other world settings and click "Create New World"
Adding to an existing singleplayer world
- Select your world and click "Edit"
- Click "Open World Folder"
- Enable the "Update 1.21" feature flag
level.dat
. A simple way to do this is by installing the NBT Viewer extension for VSCode
- Open the
level.dat
file in VSCode by dragging the file from the file explorer to the VSCode window - Inside
Data
, add a new list tag calledenabled_features
- Inside this list, add two new string tags with
minecraft:vanilla
andminecraft:update_1_21
. Select the yellow string icon when adding the first tag.
- Press
Ctrl + S
to save the file, make sure the world is not open in-game when editing the file! - In the world save folder, find the
datapacks
folder and put the downloaded zip file in there
- You can now open the world!
Adding to a new multiplayer server
- Download the server jar from the bottom of the 1.20.4 article
- Place the
server.jar
file in the server folder - Inside this same folder, create the folders
world/datapacks/
- Put the downloaded zip file in there
- Run the server jar for the first time
java -Xmx1024M -Xms1024M -jar server.jar nogui
- Agree to the EULA by editing
eula.txt
- Run the server jar again. You should see
Found new data pack file/update_1_21_no_trial_chambers_1.20.4.zip, loading it automatically
in the log.
Adding to an existing multiplayer server
- Shut down the server
- Modify the
world/level.dat
file following the same instructions from "Adding to an existing singleplayer world" - Add the downloaded zip file to the
world/datapacks/
folder - Restart the server