Available on Asset Store: https://assetstore.unity.com/packages/tools/network/simple-patch-tool-124296

Forum Thread: https://forum.unity.com/threads/simplepatchtool-open-source-patching-solution-for-standalone-platforms.542465/

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This plugin is the Unity port of SimplePatchTool, a general-purpose patcher library for standalone applications.

SimplePatchTool is licensed under the MIT License; however, it uses external libraries that are governed by the licenses indicated below:

• LZMA SDK - Public Domain
• Octodiff - Apache License, Version 2.0
• SharpZipLib - MIT License

There are 5 ways to install this plugin:

• import SimplePatchTool.unitypackage via Assets-Import Package
• clone/download this repository and move the Plugins folder to your Unity project's Assets folder
• import it from Asset Store
• (via Package Manager) add the following line to Packages/manifest.json:
  • "com.yasirkula.simplepatchtool": "https://github.com/yasirkula/UnitySimplePatchTool.git",
• (via OpenUPM) after installing openupm-cli, run the following command:
  • openupm add com.yasirkula.simplepatchtool

• in Edit-Project Settings-Player, change Api Compatibility Level to .NET 2.0 or higher (i.e. don't use .NET 2.0 Subset or .NET Standard 2.0)
• (optional) in Edit-Project Settings-Player, enable Run In Background so that SimplePatchTool can continue running while the application is minimized/not focused

Wiki available at: https://github.com/yasirkula/UnitySimplePatchTool/wiki