Readme details about AutoCAD 2014 for Mac Service Pack 1:
Problems Reported with the Customer Error Reporting Utility
As a result of detailed information from customers who used the Customer Error Reporting (CER) utility, a number of problems were identified and fixed. Updates have been made to the following features:
-Crash when making blocks in some situation.
-Crash when copy/paste in some drawings.
-Random crash during drawing and editing.
-Crash at startup due to some user profiles missing.
-Random crash at startup when getting the Displcay Card infomation.
-Crash when click the viewport control label.
The following general changes and improvements have been made:
-Align command missing in LT.
-Image underlay shows twisted or white/black bands when zooming in canvas.
-Cannot activate AutoCAD with some suite serial number, like Education Master suite serial number.
-System animation(scrolling or switching desktop) glitches after force quit AutoCAD in some situation.
-Typo in lynda.com link in AutoCAD.
-Mis-use of Lucida Grande font.
-AutoCAD hangs when plotting drawings in some situation.
-Plot stamp now shows the system time on local machine.
-Image underlay is not fully displayed in plotted result.
And an enhancement: Now you can Reset AutoCAD at startup by holding Shift+click AutoCAD(or AutoCAD LT) icon. This helps in the case when you cannot start AutoCAD normally.
More about AutoCAD for Mac.