New function WordData has been added to the built-in Mathematica kernel. New function DictionaryLookup has been added to the built-in Mathematica kernel.

All the functionality of Miscellaneous`StandardAtmosphere`is now available in the newly created Standard Atmosphere Package.

Miscellaneous`WorldPlot` functionality is now available in the newly created World Plotting Package. Many enhancements are available through the built-in Mathematica kernel ...

Convergents and QuadraticIrrationalQ have been added to the built-in Mathematica kernel.

All the functionality of NumericalMath`Approximations` is now available in the newly created Function Approximations Package.

All the functionality of NumericalMath`EquationTrekker` is now available in the newly created Equation Trekker Package.

All the functionality of NumericalMath`Microscope` is now available in the newly created Computer Arithmetic Package. The function Microscope has been renamed MicroscopePlot. ...

All the functionality of NumericalMath`NIntegrateInterpolatingFunct`is now available in the newly created Function Approximations Package.

All the functionality of NumericalMath`NSeries` is now available in the newly created Numerical Calculus Package.

DelaunayTriangulation[{{x_1, y_1}, {x_2, y_2}, ...}] yields the planar Delaunay triangulation of the points {{x_1, y_1}, ...}.