
data pack
Compact UHC RunMinecraft data pack for 1.21.8
UHC Run data pack that you can install in any world you want, plus you can include your preferred add-ons to make it more unique in your own way.
- Latest version
- 1.5.1-alpha
- Minecraft
- 1.17 to 1.21.8
- Java
- Java 21+
- Loader
- Data pack
- Licence
- LGPL-3.0-only
- Downloads
- 975
- Updated
- 10 mo ago
- Available on
- Modrinth
Host Compact UHC Run servers
One click and Compact UHC Run is installed with the right loader, on hardware built for it.
- 1.21.8
- Data pack
- One click install
- Version matched
- Automatic backups
- NVMe SSD
Screenshots
Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.
Minecraft versions
Every version Compact UHC Run declares support for, newest first, with the Java runtime that version needs.
| Minecraft | Through | Java | Evidence | Released |
|---|---|---|---|---|
| 1.21.8 | Data pack | 21+ | declared | 17 Jul 2025 |
| 1.21.5 | Data pack | 21+ | declared | 25 Mar 2025 |
| 1.21.4 | Data pack | 21+ | declared | 3 Dec 2024 |
| 1.21.3 | Data pack | 21+ | declared | 23 Oct 2024 |
| 1.21.2 | Data pack | 21+ | declared | 22 Oct 2024 |
| 1.21.1 | Data pack | 21+ | declared | 8 Aug 2024 |
| 1.21 | Data pack | 21+ | declared | 13 Jun 2024 |
| 1.20.4 | Data pack | 17+ | declared | 7 Dec 2023 |
| 1.20.3 | Data pack | 17+ | declared | 4 Dec 2023 |
| 1.18.2 | Data pack | 17+ | declared | 28 Feb 2022 |
| 1.18.1 | Data pack | 17+ | declared | 10 Dec 2021 |
| 1.18 | Data pack | 17+ | declared | 30 Nov 2021 |
| 1.17.1 | Data pack | 16+ | declared | 6 Jul 2021 |
| 1.17 | Data pack | 16+ | declared | 8 Jun 2021 |
Download
From Compact UHC Run’s own host. Nothing is re-hosted here.
Compact-UHC-Run-1.5.1-alpha.zip · 0.2 MB · for 1.21.8
5c700d336fd5…Older versions8Hide older versions
- 1.5.0-alpha21 May 20251.21.50.2 MB50 downloads
b9690f453d41…Get - 1.4.1-alpha5 Mar 20251.21.40.1 MB72 downloads
7af888eb359f…Get - 1.4.0-alpha5 Mar 20251.21.40.1 MB21 downloads
fd6a749661a3…Get - 1.3.0-alpha11 Feb 20251.21.2, 1.21.30.1 MB29 downloads
1d9f0cf29bc1…Get - 1.2.1-alpha10 Feb 20251.21, 1.21.10.1 MB648 downloads
6e64de6ebc33…Get - 1.2.0-alpha10 Feb 20251.21, 1.21.10.1 MB22 downloads
f1105db3e2ea…Get - 1.1.0-alpha10 Feb 20251.20.3, 1.20.40.0 MB33 downloads
ed67352b4925…Get - 1.0.0-alpha10 Feb 20251.17, 1.17.1, 1.18, 1.18.1, 1.18.20.0 MB35 downloads
26f23dbcc509…Get
Frequently asked
Does Compact UHC Run work on Minecraft 1.21.8?
Yes. 1.21.8 is the newest Minecraft version Compact UHC Run 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 Compact UHC Run support?
Everything the author has declared, from 1.17 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 Compact UHC Run on the client or the server?
The server only. Players join with an ordinary Minecraft client and install nothing.
Which loader does Compact UHC Run need?
Data pack. 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 Compact UHC Run?
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 Compact UHC Run under?
LGPL-3.0-only, 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 Compact UHC Run?
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 Compact UHC Run 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.
Is this information wrong or missing something? .

