v3.31.0

Version: 3.31.0
Published: 2/23/2026
Change Set: f516c32

• Performed a migration to the modern C# null/not-null checks
• Added support for .NET 10
• In the lock statements for .NET 9 and 10 targets now uses a instances of the System.Threading.Lock class
• Reduced a memory allocation by using collection expressions
• In JavaScriptEngineSwitcher.ChakraCore:
  • ChakraCore was updated to version of February 19, 2026
  • The value of a read-only field in an embedded object or type can no longer be changed
• In JavaScriptEngineSwitcher.Jint added support for the Jint version 4.6.0
• In JavaScriptEngineSwitcher.Msie added support for the MSIE JavaScript Engine version 3.3.1
• In JavaScriptEngineSwitcher.Yantra added support for the YantraJS version 1.2.301

NuGet Packages

Core

• JS Engine Switcher: Core
• JS Engine Switcher: MS Dependency Injection

JS engines

• JS Engine Switcher: ChakraCore
  • Windows (x86)
  • Windows (x64)
  • Windows (ARM)
  • Windows (ARM64)
  • Linux (x64)
  • OS X (x64)
• JS Engine Switcher: Jint
• JS Engine Switcher: Jurassic
• JS Engine Switcher: MSIE
• JS Engine Switcher: NiL
• JS Engine Switcher: Node
• JS Engine Switcher: V8
  • Microsoft ClearScript.V8 for Windows (x86)
  • Microsoft ClearScript.V8 for Windows (x64)
  • Microsoft ClearScript.V8 for Windows (ARM64)
  • Microsoft ClearScript.V8 for Linux (x64)
  • Microsoft ClearScript.V8 for Linux (ARM)
  • Microsoft ClearScript.V8 for Linux (ARM64)
  • Microsoft ClearScript.V8 for OS X (x64)
  • Microsoft ClearScript.V8 for OS X (ARM64)
• JS Engine Switcher: Vroom
• JS Engine Switcher: Yantra