It is no longer necessary to use Line continuation character ( _ ) to continue the code to next line. This is not supported in NET 4.0

Optional parameters can now be nullable

It is now possible to create Jagged Arrays with following syntax: Dim ArrayNewWay = {({"1", "2", "3"}), ({"4", "5"})}

Collections can now be initialized using the following syntax with the new From keyword: Dim Colors As New List(Of String) From {"Red", "Yellow", "Green"}