Archive

These pages describe older versions of NUnit, features that were removed or deprecated, and tools that are no longer maintained. They are kept for reference, and for anyone still working with older versions.

For the current version, start at the documentation home page.

Older versions of NUnit

• NUnit 2.x documentation
• Release notes before NUnit 3.5
• Breaking changes up to NUnit 4.0
• Migrating to NUnit 4
• Upgrading from NUnit 2 and 3
• Towards NUnit 4
• .NET Core and .NET Standard

Deprecated and removed features

• AssertionHelper, deprecated in NUnit 3.7
• ListMapper, removed in NUnit 4.0
• Addin Replacement in the Framework, the move away from NUnit 2 add-ins
• Visual Studio Support, for Visual Studio 2003 and 2005 and the NUnit 2 GUI

Tools that are no longer maintained

• NUnit Xamarin Runners
• NUnit VS Test Generator
• NUnit Project Editor

Older release notes

• Test Adapter V3 release notes
• Test Adapter V2 release notes
• Test Generator release notes for Visual Studio 2017 and 2019
• Test Generator release notes for Visual Studio 2015

Developer history

• Notes Toward NUnit 4.0
• NUnit 3.0 Architecture (2009)
• Packaging the V2 Adapter
• Packaging the Installer, for the MSI installer that is no longer produced