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data pack

Bossbar Expansion

This data pack/Mod add bossbar to minibosses in the game like Warden, Elder Guardian and Evoker.

server onlynewest supported 1.21.8AdventureMobsGame Mechanics
Latest version
no release indexed
Minecraft
1.19 to 1.21.8
Java
Java 21+
Loaders
Data pack, NeoForge, Quilt, Forge and 1 more
Licence
LicenseRef-All-Rights-Reserved
Downloads
5.4k
Updated
12 mo ago
Available on
Modrinth

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version Bossbar Expansion declares support for, newest first, with the Java runtime that version needs.

Other data packs
MinecraftThroughJavaEvidenceReleased
1.21.8Data pack, NeoForge, Quilt, Forge, Fabric21+declared17 Jul 2025
1.21.7Fabric, Quilt, NeoForge, Forge, Data pack21+declared30 Jun 2025
1.21.6Fabric, Quilt, NeoForge, Forge, Data pack21+declared17 Jun 2025
1.21.5Fabric, Quilt, NeoForge, Forge, Data pack21+declared25 Mar 2025
1.21.4Data pack, Quilt, NeoForge, Forge, Fabric21+declared3 Dec 2024
1.21.3Data pack, Quilt, NeoForge, Forge, Fabric21+declared23 Oct 2024
1.21.2Fabric, Quilt, NeoForge, Forge, Data pack21+declared22 Oct 2024
1.21.1Fabric, Quilt, NeoForge, Forge, Data pack21+declared8 Aug 2024
1.21Fabric, Quilt, NeoForge, Forge, Data pack21+declared13 Jun 2024
1.20.6Fabric, Quilt, NeoForge, Forge, Data pack21+declared29 Apr 2024
1.20.5Forge, Data pack, Fabric, NeoForge, Quilt21+declared23 Apr 2024
1.20.4Data pack, Quilt, NeoForge, Forge, Fabric17+declared7 Dec 2023
1.20.3Fabric, Quilt, NeoForge, Forge, Data pack17+declared4 Dec 2023
1.20.2Fabric, Quilt, NeoForge, Forge, Data pack17+declared20 Sept 2023
1.20.1Fabric, Quilt, NeoForge, Forge, Data pack17+declared12 Jun 2023
1.20Data pack, Quilt, NeoForge, Forge, Fabric17+declared2 Jun 2023
1.19.4Data pack, Quilt, NeoForge, Forge, Fabric17+declared14 Mar 2023
1.19.3Fabric, Quilt, NeoForge, Forge, Data pack17+declared7 Dec 2022
1.19.2Fabric, Quilt, NeoForge, Forge, Data pack17+declared5 Aug 2022
1.19.1Fabric, Quilt, NeoForge, Forge, Data pack17+declared27 Jul 2022
1.19Fabric, Quilt, NeoForge, Forge, Data pack17+declared7 Jun 2022

Frequently asked

Does Bossbar Expansion work on Minecraft 1.21.8?

Yes. 1.21.8 is the newest Minecraft version Bossbar Expansion declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Bossbar Expansion support?

Everything the author has declared, from 1.19 up to 1.21.8. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Bossbar Expansion on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

Which loader does Bossbar Expansion need?

Data pack, NeoForge, Quilt, Forge, Fabric. A build for one loader will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Bossbar Expansion?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the data pack itself.

What licence is Bossbar Expansion under?

LicenseRef-All-Rights-Reserved, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Bossbar Expansion?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the data pack and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Bossbar Expansion safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Last checked 1 d ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.