What's New

Harmony 2 has come a long way since the last release 1.2.0.1. Here are all the changes:

New

CI/CD with GitHub Actions Switched to MonoMod.Core for shared low level patching with MonoMod project Works with more .NET versions Inline prevention for Mono 4th patch type: Finalizer - for handling and manipulating exceptions Reverse Patching (original onto one of your stub methods) Convenience extension methods for CodeInstruction Selective debug log with [HarmonyDebug] annotation - works even with future changes of the method Prepare/Cleanup will be called even with exceptions during patching Cleanup can now receive and return the current Exception during patching Better exception reporting with HarmonyException Automatic documentation generated to https://harmony.pardeike.net AccessTools has methods for declared members FastAccess now deals with generics Manipulator transpiler helper Get IL code from a method Support for IL InlineSignature (patching methods with CALLI)

Fixed

Priority field spelling Traverse can handle static members Methods returning struct types are now patchable Main API is now properly divided into static/instance methods HarmonyMethod and other high level API throws on null input Patch sorting DeepCopy works with nullable types Patch annotations API cleaned up FieldRef covers more cases and is simplified __result assignability checks Handling __state without Prefix Debug log writes out full type names Documentation now uses compiled code snippets for correctness Traverse works with inherited fields, properties and methods

Changes

Removed Self-patching Renamed Add() extension on IEnumerable<T> and T[] to AddItem() to avoid conflicts HarmonyInstance is now called Harmony and Harmony namespace is now called HarmonyLib