Technical Articles HighDesign R6.0.2 Release Notes HighDesign R6.0.1 Release Notes HighDesign R6 Release Notes HighDesign R5.3 Release Notes HighDesign R5.2 Release Notes HighDesign R5.1 Release Notes Object Hierarchy in HighDesign Differences between Mac and Windows versions Changes from HighDesign 2017 HighDesign and macOS Catalina (10.15)