Group: current SVN version
There is a Bug with new Edit mode and the new Alt+B Cutaway view.
* Enter edit mode with the cube for eg
* Enable cutaway view. (Alt+B)
* This affects Verts and faces (Edges select fine) so use one of them.
* Turn display to wire view OR Shaded view with "Limit selection to visible (Clipped with depth buffer)"
* Try right click on a vert or face, lassoo or border select- None of them work.