Copper Age Backport Optional for Spectrum Compat 0.1.0
optionalMatching file found Matched file: 1.21.1-0.1.4
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Modrinth · Minecraft mod
Spectrum Compat
Integrates Spectrum mechanics into other mods
Choose a version Pick your version below, then grab the matching file.
Quick answer
Which Spectrum Compat release should I use?
beta file 0.1.0
Game version 1.21.1
Loader NeoForge
Spectrum Compat 0.1.0 targets 1.21.1 with NeoForge. Installation on the client is optional. Installation on the dedicated server is optional. All 1 required mods have matching files.
Where it goes
Is Spectrum Compat required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
Client Optional
Dedicated server Optional
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
The source marks this as usable on both the client and server.
What else does Spectrum Compat 0.1.0 need?
0.1.0. Change the file and its required mods may change too.
Install Spectrum first. We found matching files for this game-version and loader setup. 5 come through another mod in the chain.
6 listed on this file 5 pulled in by those mods
Deep Aether Optional for Spectrum Compat 0.1.0
optionalMatching file found Matched file: 1.21.1-1.1.5.1
Better Archeology Optional for Spectrum Compat 0.1.0
optionalMatching file found Matched file: 1.21.1-1.3.4
The Aether Optional for Spectrum Compat 0.1.0
optionalMatching file found Matched file: 1.21.1-1.5.10-neoforge
Vanilla Backport Optional for Spectrum Compat 0.1.0
optionalMatching file found Matched file: 1.1.6.3
Spectrum Needed by Spectrum Compat 0.1.0
requiredMatching file found Matched file: 1.11.6-1.21.1-neo
TerraBlender Needed by Deep Aether
pulled inMatching file found Matched file: 4.1.0.8
The Aether Needed by Deep Aether
pulled inMatching file found Matched file: 1.21.1-1.5.10-neoforge
Architectury API Needed by Better Archeology
pulled inMatching file found Matched file: 13.0.11+neoforge
Resourceful Config Needed by Better Archeology
pulled inMatching file found Matched file: 3.0.11
oωo (owo-lib) Needed by The Aether
pulled inMatching file found Matched file: 0.12.15.5-beta.1+1.21
5 extra mods were pulled in by other dependencies. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Spectrum Compat without breaking your instance.
Built for Spectrum Compat 0.1.0. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 0.1.0. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Spectrum first. We found matching files for this game-version and loader setup. 5 come through another mod in the chain.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 0.1.0. It opens that exact file at the source.
About this project
What does Spectrum Compat add?
Spectrum Compat
A compatibility mod that bridges Spectrum with The Aether, Deep Aether, VanillaBackport, Copper Age Backport and Better Archeology.
How it works
Heads are real registered block-items tagged into #c:skulls, plus per-mob loot-modifier and recipe entries that plug into Spectrum's existing systems. A small set of mixins covers the cases where data alone isn't enough. Every integration is gated by mod-loaded conditions, so any combination of optional mods works out of the box.
Textures are referenced from the source mods' jars at runtime; this mod ships zero texture bytes (required by The Aether's license).
Supported mods
| Mod | What's added |
|---|---|
| The Aether | 19 mob heads (incl. 3 Moa colours), anvil-crushing dye recipes for Aether flowers |
| Deep Aether | 11 mob heads (incl. 7 Quail variants), anvil-crushing dye recipes for DA flowers |
| VanillaBackport | Happy Ghast head, warm/cold Chicken/Cow/Pig heads (memory variant-lock), anvil-crushing dyes for VB flowers |
| Copper Age Backport | 8 Copper Golem heads (4 oxidation × waxed/unwaxed), honeycomb wax recipes |
| Better Archeology | Enchanter recipes for penetrating_strike, tunneling, soaring_winds; disarming exclusive-set |
Variant heads (Moa, Quail, Copper Golem, Chicken/Cow/Pig) are NBT-filtered, so the right variant drops from the right kill rather than rolling randomly.
A few mobs are deliberately skipped because they're either unkillable upstream (Whirlwinds, Gentle Wind, Slider, Creaking) or practically unreachable in survival (Windflies — no biome spawner entries). Bosses are excluded by Spectrum's own #c:bosses blacklist chain.
Requirements
- Minecraft 1.21.1
- NeoForge 21.1.226+
- Spectrum 1.11+
- Any combination of the optional source mods listed above
Credits
Based on Spectrum, The Aether, Deep Aether, VanillaBackport, Copper Age Backport and Better Archeology. This mod is purely a compatibility layer; all gameplay systems and assets it hooks into are the work of those teams.
Project description from Modrinth.
Pick your setup
Spectrum Compat by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Minecraft version
1.21.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Spectrum Compat versions and loaders
0.1.0
spectrumcompat-0.1.0.jar
27 Apr 2026
Client Optional Server Optional Dependencies 1 required · matched Listed on Release listing
Check the 1.21.1 · NeoForge setup 1.21.1NeoForge beta
Looking for an older file? The official Modrinth project page is in Resources.