Minecraft version
Back to mods 
Modrinth · Minecraft mod
ObsidianUI
SpruceUI unofficial architectury port. A Minecraft library mod which adds a new abstraction to create GUI interfaces.
Choose a version Pick your version below, then grab the matching file.
Quick answer
Which ObsidianUI release matches 1.21.5 NeoForge?
alpha file 0.2.12+mc1.21.6-neoforge
Game version 1.21.5
Loader NeoForge
ObsidianUI 0.2.12+mc1.21.6-neoforge targets 1.21.5 with NeoForge. It must be installed on the client. Do not install it on the dedicated server. No extra mods listed for this file.
Where it goes
Is ObsidianUI required on the client, server, or both?
It must be installed on the client. Do not install it on the dedicated server.
Client Required
Dedicated server Not supported
Loader for this release NeoForge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume
This file is marked client-only.
What else does ObsidianUI 0.2.12+mc1.21.6-neoforge need?
0.2.12+mc1.21.6-neoforge on 1.21.5 NeoForge. Every mod below is checked against that same setup.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add ObsidianUI without breaking your instance.
Built for ObsidianUI 0.2.12+mc1.21.6-neoforge on 1.21.5 NeoForge. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 0.2.12+mc1.21.6-neoforge. It targets 1.21.5 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
It must be installed on the client. Do not install it on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside 0.2.12+mc1.21.6-neoforge. It opens that exact file at the source.
About this project
What does ObsidianUI add?
ObsidianUI
This mod is a unofficial architectury port of SpruceUI.
A Minecraft mod API which adds some GUI utilities.
Don't report ObsidianUI's issues to the official SpruceUI Github.
Project description from Modrinth.
Pick your setup
ObsidianUI by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Minecraft version
1.21.4
2 loader buildsMinecraft version
1.21.3
2 loader buildsMinecraft version
1.21.2
2 loader buildsMinecraft version
1.21.1
2 loader buildsMinecraft version
1.21
2 loader buildsMinecraft version
1.20.6
2 loader buildsMinecraft version
1.20.5
2 loader buildsMinecraft version
1.20.4
2 loader buildsMinecraft version
1.20.3
2 loader buildsMinecraft version
1.20.2
3 loader buildsMinecraft version
1.20.1
2 loader buildsShowing the newest 12 of 25 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
ObsidianUI versions and loaders
0.2.12+mc1.21.6-neoforge
ObsidianUI-neoforge-0.2.12+mc1.21.6.jar
23 Jun 2025
Client Required Server Not supported Dependencies No extras listed Listed on Release listing
Check the 1.21.5 · NeoForge setup 1.21.5NeoForge alpha
0.2.12+mc1.21.5-neoforge
ObsidianUI-neoforge-0.2.12+mc1.21.5.jar
28 May 2025
Client Required Server Not supported Dependencies No extras listed Listed on Release listing
Check the 1.21.5 · NeoForge setup 1.21.5NeoForge alpha
0.2.11+mc1.21.5-neoforge
ObsidianUI-neoforge-0.2.11+mc1.21.5.jar
28 Mar 2025
Client Required Server Not supported Dependencies No extras listed Listed on Release listing
Check the 1.21.5 · NeoForge setup 1.21.5NeoForge alpha
Looking for an older file? The official Modrinth project page is in Resources.
