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Capability Fix Revived

Mod

by Misanthropy

Improves performance by caching capabilities.

Type

Mod

CurseForge Downloads

73,375

CurseForge ID

1526225

Last Updated

Sep 5, 2026

Description

Capability Fix Revived

An optimization mod for Forge 1.20.1 designed to eliminate entity capability lookup overhead.

Key Improvements & Safety Fixes:

Safer Caching: This version only caches active, present capabilities and automatically registers invalidation listeners. Cached references clear instantly when a capability is removed or invalidated, preventing memory leaks, stale states, or broken entity behavior.

Defaulted Configs: Includes a pre-configured default whitelist of verified capabilities (including Curios, Goety, Mowzie's Mobs, Celestisynth, and Goety Delight) to give players an immediate performance boost without requiring profiling.

No Background Overhead: The tracking and profiling engine only runs when actively triggered.

How to Use:

1. Start Recording: Run `/capability_fix_revived toggle_recording` in-game to begin.

2. Play the Game: Let the server run for 10-30 minutes. Don't just stand still (will still work but ye)

3. Generate Report: Run `/capability_fix_revived generate_report` to stop recording and write the data.

4. Configure: Open `config/capability_fix_revived/reports/capability_report.txt` and copy the IDs. Paste them into your `config/capability_fix_revived/capability_fix_revived-common.toml` whitelist.
MAKE SURE THEY'RE SAFE TO CACHE!

5. Apply: Run `/capability_fix_revived reload_config` to apply changes.

Credits:
Icy0x1 - Original Mod Author

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Included in Modpacks (4)

External Resources