19/2/2009 Introduce "Show All Loads" button.

1/2/2009 New version of SLABS is under testing, features include:Undo-redo; Slab panels in any shape (innovating geometry line input for modeling)

01/08/2008, SLABS 4 is officially released.

01/04/2008, SLABS 4 is available to all supported users.

04/10/2007, SLABS 4 Beta is available on request.