Two big major update in PAT 1.2.2 are
1 MSAGL is integrated into PAT. We would like to thank Lev Nachmanson from Microsoft for his free offer of MSAGL: Microsoft Automatic Graph Layout.
2 Auto-update function is added to PAT. Since we are doing some constant updating of the tool, it is annoying to send users email and do the installation again. Based on the ClickOnce, we have developed this custimized auto-update functions.