Microsoft. NET Framework 3.5 contains many new features building incrementally upon. NET Framework 2.0 and 3.0, and includes. NET Framework 2.0 service pack 1 and. NET Framework 3.0 service pack 1.
There are some known incompatibilities in generic types using the Binary Formatter or Net Data Contract Serializer serialized and deserialized across a mixed. NET Framework 3.5 SP1 and. NET Framework 4 environment. Installing this update addresses these issues.
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