Geometry`Polytopes` functionality is available in the kernel function PolyhedronData.
Color names are available in the new kernel function ColorData.
RevolutionPlot3D has been added to the built-in Mathematica kernel.
As of Version 7, the Histograms Package has been integrated into the Mathematica kernel.
The functionality of PrimitiveElement is now available in the newly added built-in Mathematica kernel function ToNumberField.
All the functionality of NumericalMath`ComputerArithmetic` is now available in the newly created Computer Arithmetic Package.
All the functionality of NumericalMath`GaussianQuadrature`is now available in the newly created Numerical Differential Equation Analysis Package.
All the functionality of NumericalMath`NewtonCotes` is now available in the newly created Numerical Differential Equation Analysis Package.
All the functionality of NumericalMath`NLimit` is now available in the newly created Numerical Calculus Package.
LabelPoints is an option to DiagramPlot and PlanarGraphPlot that specifies whether to label points according to their position in the input list.