pardeike/Harmony

Improve HarmonySharedState for use in multiple loading contexts

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#741 opened on Oct 15, 2025

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bugenhancementhelp wanted

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Description

The current implementation leads to duplicate shared state when Harmony is loaded in a non-Unity process (like a .exe) and that prevents multiple mods from patching the same method.

At the end of this ChatGPT discussion is a suggestion that needs to be explored. The claim is that its backwards compatible and solves the problem this Issues rises.

https://chatgpt.com/share/68f013cd-b1b0-8009-8be0-1d3a3c182966

This needs to be implemented and tested. In both: the unity case and a single .exe case (maybe make sure it actually fails first).

Contributor guide

Research direction
Explore the ChatGPT suggestion for a backwards compatible fix. Implement the proposed solution and test in both Unity and non Unity (standalone .exe) contexts to ensure no duplicate shared state.
Tech stack
csharp
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Needs investigation
Prerequisites
C#.NET
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30