clipped from: codebetter.com   
Scott Hanselman just published a blog post where he used NDepend to see changes in the code of .NET 3.5 SP1 beta (that has just been released). Let’s expose the exhaustive list of differences:

Summary:

# IL instructions:    8 598 933 to 8 589 008      (-9 925   -0.1%)

# Assemblies:    112

# Namespaces:    919 to 929      (+10   +1.1%)

# Types:    39 988 to 40 402      (+414   +1%)

# Methods:    387 421 to 385 253      (-2 168   -0.6%)

# Fields:    241 567 to 246 320      (+4 753   +2%)


636 new public methods:  

SELECT METHODS WHERE IsPublic AND WasAdded


8 public types removed

SELECT TYPES WHERE IsPublic AND WasRemoved