ShadersJava
Firmament
Java shader pack listed for Minecraft 1.18–1.21. Downloads from the MC Java Mods app on Android.
Soft sunlight, clear water and warm nights. An Iris shader pack for the worlds you already love. Free Minecraft Java shader for 1.21.1, 1.21, 1.20.2.
⬇ Download on CurseForge
Quick facts
- Edition: Minecraft Java
- File type: .zip (resource pack)
- Minecraft versions listed: 1.21.1, 1.21, 1.20.2
- How to install: Download the .zip resource pack — do not unzip it. → Put it in .minecraft/resourcepacks. → Enable it in Options → Resource Packs.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
File checked by MCModsHub
- Downloads as Firmament-0.3.2.zip
- Download size: 165 KB
- Download link checked 19 Oct 2026 — working
These come from our own check of the pack file, not from the source page.