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Cobblemon Cold login Fix

Cobblemon Cold login Fix

MOD
Fixes Cobblemon 1.8.1 first-login disconnects on NeoForge 1.21.1 caused by early Pokémon interaction predicate synchronization.
by mikemckeon007
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55 downloads
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Updated Oct 14, 2026
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Bug Fixes
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obblemon Cold Login Fix is a small client-side compatibility mod for Cobblemon 1.8.1 on Minecraft 1.21.1 NeoForge.

It fixes a disconnect that can occur on the first server login after restarting Minecraft, where Cobblemon fails to deserialize synchronized Pokémon interaction item requirements such as brushes, buckets, bottles, fertilizers, and shears.

The mod preserves Cobblemon’s normal interaction behavior, including item requirements, ownership checks, durability use, sounds, and drops.

Requirements

  • Minecraft 1.21.1
  • NeoForge 21.1.x
  • Cobblemon 1.8.1+1.21.1
  • Java 21

Client-side only. The server does not need this mod.

This is intended as a compatibility fix and can be removed once the underlying issue is fixed upstream in Cobblemon.

CobblemonColdLoginFix-1.0.0.jar
MC Client, 1.21.1, NeoForge
Release 2026-09-27 Get

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