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Better Mob Combat Fix [BMCFIX]

Fixes Better Mob Combat compatibility with Better Combat 1.9.0
by UtherHel
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104,248 downloads
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Updated Jul 6, 2026
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Bug Fixes Utility & QoL

Better Mob Combat Fix

Fixes Better Mob Combat compatibility with Better Combat 1.9.0

The Problem

Better Combat 1.9.0 (latest for 1.20.1) made breaking changes:

  1. Removed CompatibilityFlags.firstPersonRender() method
  2. Moved PehkuiHelper from net.bettercombat.compatibility to net.bettercombat.client.compat

Better Mob Combat stopped updating and still uses old methods/paths, breaking mob attack animations and Pehkui compatibility.

How It Works

This mod uses two mixins to fix both issues:

Mixin 1: Intercepts CompatibilityFlags.firstPersonRender() calls and returns false

Mixin 2: Overwrites BMCPehkuiHelper.load() to use the new PehkuiHelper location

Technical:

  • @Redirect on Mob.playAttackAnimation() → returns false for removed method
  • @Overwrite on BMCPehkuiHelper.load() → uses net.bettercombat.client.compat.PehkuiHelper
bmcfix-fabric-1.0.2.jar
MC Client, Fabric, 1.20.1, Server
Release 2026-03-09 Get
bmcfix-forge-1.0.2.jar
MC Client, 1.20.1, Forge, Server
Release 2026-03-09 Get

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