Menu

data pack

Bossbar ExpansionMinecraft data pack for 1.21.8

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
1.0.1
Works with
NeoForge, Quilt, Forge, Fabric
Licence
LicenseRef-All-Rights-Reserved
Downloads
5.4k
Updated
14 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Bossbar Expansion servers

Deploy a server with Bossbar Expansion already added to the world, on hardware built for it.

  • 1.21.8
  • Data pack
  • NeoForge
  • Quilt
  • Forge
  • One click install
  • Version matched
  • Automatic backups
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

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

Download

From Bossbar Expansion’s own host. Nothing is re-hosted here.

1.0.1release21 Jul 2025

Bossbar Expansion v1.0.1 for 1.21.7 - 1.21.8.zip · 0.0 MB · for 1.21.7, 1.21.8

Download latest
526d9b17659c
Older versions1
  • 1.0.1-Mod21 Jul 20251.21.7, 1.21.80.0 MB140 downloads7fbd8c2bf3a9Get

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.

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?

Data packs install per world: put the downloaded file in that world's datapacks folder and run /reload, or add it when creating the world. No loader is involved. On a server, the world folder lives next to the server jar.

Where do I download Bossbar Expansion safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

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

Last checked 2 mo ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .