Vanilla

Download Vanilla 1.21.3 Server

The Vanilla server JAR for Minecraft 1.21.3, direct from the official source. Build details, release date and Java requirements below.

Java required

Java 21

Released

Oct 23, 2024

File size

54 MB

Channel

Stable

SHA-1 checksum

45810d238246d90e811d896f87b14695b7fb6839

Latest stable build

1.21.3

Vanilla

Download JAR

What's new in Minecraft 1.21.3

Minecraft 1.21.3 was released on Oct 23, 2024.

Bug fixes: 2

Figures taken from the official release notes for this version.

Setup

Start script (Linux/macOS)

java -Xms2G -Xmx2G -jar server.jar nogui

Start script (Windows)

java -Xms2G -Xmx2G -jar server.jar nogui
pause

Want it hosted for you?

Keeping a Minecraft server online 24/7 with backups, DDoS protection and tuned performance is a full-time job. DoomHosting does it for you: instant setup, free subdomain, automatic backups, DDoS protection and 24/7 support.

Instant setup DDoS protection Free backups

Other Minecraft 1.21 builds of Vanilla

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

1.21.11 1.21.10 1.21.9 1.21.8 1.21.7 1.21.6 1.21.5 1.21.4 1.21.2 1.21.1 1.21

← Back to Vanilla downloads