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Download Fabric 1.21 Server

The Fabric server JAR for Minecraft 1.21, direct from the official source. Build details, release date and Java requirements below.

Java required

Java 21

Build

0.18.6

Channel

Stable

Latest stable build

1.21

Build 0.18.6

Download JAR

Setup

Start script (Linux/macOS)

java -Xms4G -Xmx4G -XX:+UseG1GC -jar fabric-server-launch.jar nogui

Start script (Windows)

java -Xms4G -Xmx4G -XX:+UseG1GC -jar fabric-server-launch.jar nogui
pause

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Other Minecraft 1.21 builds of Fabric

Other builds in the 1.21.x line. The newest stable is selected by default above.

1.21.111.21.101.21.91.21.81.21.71.21.61.21.51.21.41.21.31.21.21.21.1
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