Leaf 20221228 Server Jar Download

Official source

Leaf 20221228 is the latest Leaf build for Minecraft 20221228, published on 29 Dec 2022. The file is 48.7 MB.

Download

Downloads from github.com — Official — GitHub releases (Winds-Studio/Leaf).

The upstream does not publish a checksum for this file. MCJarHub computes a SHA-256 for such files on a schedule and shows it here once available — see how we source & verify.

Source: Official — GitHub releases (Winds-Studio/Leaf) No checksum published yet Last checked: 28 Oct 2026, 12:46 UTC Report a problem

Version facts

This build's date	29 Dec 2022
Channel	Release
File size	48.7 MB
Licence / terms	see upstream
Upstream project	github.com

What changed

Release notes on GitHub

Compatibility

Runs Bukkit, Spigot and Paper plugins built for Minecraft 20221228.

Players need a Minecraft: Java Edition 20221228 client. Other client versions can join only through a protocol plugin such as ViaVersion/ViaBackwards.

Known issues & safety notes

Back up your world before changing versions: worlds upgrade automatically on start and cannot be downgraded.
Known issues: search Leaf's issue tracker for 20221228

How to set up Leaf 20221228

Download the Leaf jar into an empty folder.
Start it once with the script below; it creates eula.txt and stops.
Set eula=true in eula.txt to accept the Minecraft EULA, then start again. Players join on port 25565.
Put plugins (.jar) into plugins/ and restart.

Linux / macOS — `start.sh`

#!/bin/sh
# start.sh — Leaf 20221228
cd "$(dirname "$0")"
java -Xms4G -Xmx4G -XX:+AlwaysPreTouch -XX:+DisableExplicitGC -XX:+ParallelRefProcEnabled -XX:+PerfDisableSharedMem -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1HeapRegionSize=8M -XX:G1HeapWastePercent=5 -XX:G1MaxNewSizePercent=40 -XX:G1MixedGCCountTarget=4 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1NewSizePercent=30 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:G1ReservePercent=20 -XX:InitiatingHeapOccupancyPercent=15 -XX:MaxGCPauseMillis=200 -XX:MaxTenuringThreshold=1 -XX:SurvivorRatio=32 -jar leaf-1.19.3.jar nogui

Windows — `start.bat`

@echo off
REM start.bat — Leaf 20221228
java -Xms4G -Xmx4G -XX:+AlwaysPreTouch -XX:+DisableExplicitGC -XX:+ParallelRefProcEnabled -XX:+PerfDisableSharedMem -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1HeapRegionSize=8M -XX:G1HeapWastePercent=5 -XX:G1MaxNewSizePercent=40 -XX:G1MixedGCCountTarget=4 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1NewSizePercent=30 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:G1ReservePercent=20 -XX:InitiatingHeapOccupancyPercent=15 -XX:MaxGCPauseMillis=200 -XX:MaxTenuringThreshold=1 -XX:SurvivorRatio=32 -jar leaf-1.19.3.jar nogui
pause

The JVM flags are Aikar's G1 flags as recommended by PaperMC. Customise RAM, flags and restart loop →

Rule of thumb: 2–4 GB for a few friends, 6–10 GB for a public server with plugins. Set -Xms equal to -Xmx and leave 1–1.5 GB for the operating system. How much RAM?

Docker

docker run -d -p 25565:25565 -e EULA=TRUE -e TYPE=LEAF -e VERSION=20221228 --name mc itzg/minecraft-server

Uses the community itzg/minecraft-server image, which downloads the file itself.