Compatibility
Minecraft: Java Edition
1.20.4–1.20.6
Platforms
Data Pack
Supported environments
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Details
Licensed MIT
Published last year
Updated 10 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 |
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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