Improvements to NGen in .NET Framework 4http://blogs.msdn.com/clrcodegeneration/archive/2009/05/03/Improvements-to-NGen-in-.NET-Framework-4.aspx.NET Framework 4 is our first release since we shipped FX 3.5 SP1 (FX 4 beta 1 is now available here: http://msdn.microsoft.com/en-us/vstudio/dd582936.aspx ). FX 3.5 SP1 contained major changes to NGen – features that improved startup performance, security,en-USCommunityServer 2.1 SP1 (Build: 61025.2)Improvements to NGen in CLR 4http://blogs.msdn.com/clrcodegeneration/archive/2009/05/03/Improvements-to-NGen-in-.NET-Framework-4.aspx#9644924Wed, 27 May 2009 23:41:00 GMT91d46819-8472-40ad-a661-2c78acb4018c:9644924CLR Team Blog<p>Surupa Biswas has a post in the CodeGen team blog on new features in NGen coming out as part of CLR 4.</p>