Version 6.0 greatly extended Mathematica's powerful symbolic document paradigm, integrating support for editable symbolic graphics, structure-programmable table layouts, active annotations, and dynamic interactive controls—and allowing all aspects of notebooks and documents to be created directly in terms of simple symbolic constructs.
Style — direct access to all styling options for any expression
Grid — lay out a grid of elements with many styling, spacing, framing, etc. options
CreateDocument — immediately create any notebook document
CellContext — cell- and notebook-localizable variable scoping
WindowSize (modified) — now supports full-screen mode (F12)
New ▶ Package (.m) — native .m semantics-enhanced package editor