PaperDownload Paper 1.21.11 Server
The Paper server JAR for Minecraft 1.21.11, direct from the official source. Build details, release date and Java requirements below.
Java required
Java 21
Released
May 11, 2026
Build
132
File size
52 MB
Channel
Stable
SHA-1 checksum
5ffef465eeeb5f2a3c23a24419d97c51afd7dbb4923ff42df9a3f58bba1ccfba
⚡ Experimental build available
An experimental build is available for this Minecraft version. Use it only if you understand it has not been promoted to stable yet. Build 69
What's new in Minecraft 1.21.11
The newest Paper build for Minecraft 1.21.11 is build 132, published on May 11, 2026.
- Builds published
- 92
- Upstream commits
- 101
Figures taken from the official release notes for this version.
Setup
Start script (Linux/macOS)
java -Xms4G -Xmx4G --add-modules=jdk.incubator.vector -XX:+UseG1GC -jar paper.jar noguiStart script (Windows)
java -Xms4G -Xmx4G --add-modules=jdk.incubator.vector -XX:+UseG1GC -jar paper.jar --nogui
pauseOther Minecraft 1.21 builds of Paper
Other builds in the 1.21.x line. The newest stable is selected by default above.