Functions defined by a Drawing no longer fail to fit the greatest height of the Drawing when the Drawing is highly rotated.
Custom Tools that both match certain Givens to existing sketch objects and create points-on-objects on their Givens no longer occasionally fail to match properly.
Several example documents in the "Elementary and Middle School Mathematics" folder have undergone minor improvements.
(Macintosh) Sketchpad is no longer incompatible with OS X Parental Controls on OS X Snow Leopard.
(Macintosh) The application no longer becomes unresponsive after OS X Parental Controls displays a dialog box during registration.