Fabric Snapshot 26w14a Server Jar Download

Experimental — snapshot Official source

The Fabric server launcher for Minecraft Snapshot 26w14a uses Fabric Loader 0.20.1 and installer 1.1.2; on first start it downloads the vanilla Snapshot 26w14a server from Mojang. It requires Java 25 or newer.

Download

Download Fabric server launcher

Downloads from meta.fabricmc.net — Official — FabricMC.

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 — FabricMC No checksum published yet Last checked: 28 Oct 2026, 12:46 UTC Report a problem

Version facts

Minecraft release date	1 Apr 2026
Channel	Preview (weekly)
Required Java	Java 25 or newer · Temurin 25
Fabric Loader	0.20.1
Fabric installer	1.1.2
Fabric API (mod)	0.145.2+26w14a
Licence	Apache-2.0
Upstream project	fabricmc.net

What changed

Fabric Loader 0.20.1 release notes What's new in Minecraft Snapshot 26w14a (Minecraft Wiki)

Compatibility

Loads Fabric mods for Minecraft Snapshot 26w14a; most need Fabric API 0.145.2+26w14a in the mods/ folder.

Players need a Minecraft: Java Edition Snapshot 26w14a client on the same version.

Minecraft Snapshot 26w14a in other server software

Snapshot Quilt

Known issues & safety notes

Preview builds are experimental: they can corrupt or irreversibly upgrade worlds, and most plugins and mods do not support them yet. Test on a copy of your world.
Known issues: search Fabric's issue tracker for 26w14a

How to set up Fabric Snapshot 26w14a

Install Java 25 or newer (e.g. Eclipse Temurin) and check it with java -version.
Download the Fabric server launcher above (about 176 KB) into an empty folder.
Start it with the script below. On the first start the launcher downloads the vanilla Snapshot 26w14a server from Mojang and the Fabric libraries — this needs internet access.
Accept Mojang's EULA in eula.txt (eula=true) and start again.
Put mods into mods/. Most mods need Fabric API 0.145.2+26w14a there too.

Linux / macOS — `start.sh`

#!/bin/sh
# start.sh — Fabric 26w14a
cd "$(dirname "$0")"
JAVA_MAJOR=$(java -version 2>&1 | awk -F'"' '/version/ {split($2, v, "."); print (v[1] == "1") ? v[2] : v[1]}')
if [ "$JAVA_MAJOR" -lt 25 ] 2>/dev/null; then
  echo "Java 25 or newer is required (found Java $JAVA_MAJOR)."
  exit 1
fi
java -Xms6G -Xmx6G -jar fabric-server-mc.26w14a-loader.0.20.1-launcher.1.1.2.jar nogui

Windows — `start.bat`

@echo off
REM start.bat — Fabric 26w14a
REM Needs Java 25 or newer: run "java -version" to check.
java -Xms6G -Xmx6G -jar fabric-server-mc.26w14a-loader.0.20.1-launcher.1.1.2.jar nogui
pause

Modded servers need more memory: 6–8 GB for a light modpack, 8–12 GB or more for large packs. Leave 1–1.5 GB for the operating system. How much RAM?

Docker

docker run -d -p 25565:25565 -e EULA=TRUE -e TYPE=FABRIC -e VERSION=26w14a --name mc itzg/minecraft-server

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

Upgrading

FAQ

What Java version does Fabric Snapshot 26w14a need?

Fabric Snapshot 26w14a needs Java 25 or newer. Running it on an older Java fails with an UnsupportedClassVersionError mentioning class file version 69.0.

Is Fabric Snapshot 26w14a safe for my survival world?

Only on a copy. Preview versions are experimental and upgrade worlds irreversibly; keep a backup and don't switch a live world to a snapshot, pre-release or release candidate.

Why is the Fabric server file so small?

It is only a launcher. On the first start it downloads the vanilla Minecraft Snapshot 26w14a server from Mojang and the Fabric Loader libraries.