I have been using draftSight with good results until I was forced to update to the DraftSight 2018 Beta, and now when I draw a square for instance, I cannot see the square as I am drawing it, but it appears after I complete it. The same happens when using the rotation function, I select the portion to be rotated and pick a pivoting point and the drawing to be rotated disappears, and intermittently appears if I stop rotating, then when I move it disappears.  This is very frustrating as I use the rotation function often as it is key for my designing.  I never had this issue with previous versions.

Running on a

MacBook Pro (13-inch, Mid 2012)

2.9 GHz Intel Core i7

8 GB 1600 MHz DDR3

Intel HD Graphics 4000 1536 MB