Blender Git Loki

Smart Extrude (hotkeys are tentative)

Ekey: Extrude Region
Based on selection totals:
Extrude region along normal if at least one face selected
Extrude vertex along normal if only one vertex selected (experimental)
Extrude edge on its plane if only one edge selected (experimental)
Extrude with no constraint axis otherwise

Shift-Ekey: Extrude Individual
Based on selection modes and selection totals
Individual Faces if face select and some faces are selected
Individual Edges if edge select and some edges are selected
Individual Vertice otherwise

Alt-Ekey: Extrude Menu (only shows valid options for selection mode and selection totals)