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@dependabot dependabot bot commented on behalf of github Nov 13, 2025

Updated Lib.Harmony from 2.3.6 to 2.4.2.

Release notes

Sourced from Lib.Harmony's releases.

2.4.2

Harmony 2.4.2 upgrades MonoMod.Core to v1.3.3 and now supports NET 10!

What's Changed

Full Changelog: pardeike/Harmony@v2.4.1.0...v2.4.2.0

2.4.1

Harmony v2.4.1 mainly fixes that v2.4 leaked types of Mono.Cecil.* to the public API.

What's Changed

Full Changelog: pardeike/Harmony@v2.4.0.0...v2.4.1.0

2.4

Harmony 2.4 includes a lot of bug fixes and now supports arm64!
Enjoy and consider supporting me on Patreon or become a GitHub sponsor!

Changelog

Added

  • Full support for arm64 across all operating systems, including Apple Silicon

  • Configurable error handler: A new API lets you register a global error handler that Harmony invokes whenever a patch throws an exception. This allows logging or suppressing errors centrally

  • Extended CodeMatcher API: New methods—RemoveSearchForward, RemoveSearchBackward, RemoveUntilForward, RemoveUntilBackward and Do—make it easier to remove or transform instruction sequences via CodeMatcher

  • Struct patching: [HarmonyPatch] attributes can now target methods defined in structs, not just classes

  • Additional MethodType cases: Harmony’s API now covers more method kinds (e.g., async methods, property accessors or operators). This broadens the range of targets you can patch

  • Simpler manual patch registration: The PatchClassProcessor no longer requires Harmony‑specific attributes when registering patches programmatically

Changed

  • Patch serialization: PatchInfo now uses ToArray() instead of MemoryStream.GetBuffer to serialize patches, improving compatibility across .NET runtimes

  • JSON serialization improvements: InnerMethod and patch classes gained custom System.Text.Json converters. Patch information now serializes round‑trip correctly and fields such as infixes were replaced with innerprefixes and innerpostfixes (new infix system)

  • Exception handling: try/fault blocks emitted by Harmony are now compiled as try/catch/finally and won't fail to patch anymore

Fixed

  • Correct index for local variables: CodeInstructionExtensions.LocalIndex now checks whether an operand is a LocalBuilder; it returns the correct LocalIndex instead of converting to int, preventing mis‑indexed local variables in transpilers

  • Infix negative position bug: Matching of negative positions in infix patches was corrected; positions counting from the end now compute the index properly

  • Argument validation for InnerMethod: Creating an InnerMethod now throws ArgumentNullException if method is null and ArgumentException if any position is zero, preventing silent errors

  • Stream memory handling: A bug where patch generation incorrectly used MemoryStream.GetBuffer (which could include unused capacity) was fixed; ToArray is now used instead

  • IL offset logging: IL offsets are logged again and reported accurately when debugging patched methods (commit referenced in release tag).

Removed

  • HarmonyException serialization: HarmonyException is no longer marked [Serializable], so it can no longer be marshalled across AppDomains or remoted contexts

New Contributors

Full Changelog: pardeike/Harmony@v2.3.6.0...v2.4.0.0

Commits viewable in compare view.

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---
updated-dependencies:
- dependency-name: Lib.Harmony
  dependency-version: 2.4.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
@dependabot dependabot bot added .NET Pull requests that update .NET code dependencies Pull requests that update a dependency file labels Nov 13, 2025
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