| Item | Description | 
                
                    | PR 1860707 | Tube creation was dramatically slowed-down in ST4 due to material update. | 
                
                    | PR 6587188 | User requests new event be fired | 
                
                    | PR 6570990 | Fixed an abort at HReGenerateSlot | 
                
                    | PR 6590564 | Fixed a problem saving 3D-PDFs via automation | 
                
                    | PR 6562523 | center-plane relationship automation support | 
                
                    | PR 6574228 | API access to Assembly variables in broken in ST4 | 
                
                    | PR 1853189 | It is not possible to set/get occurrence visibility in edit mode via API | 
                
                    | PR 6585353 | BalloonDisplayedText API does not return the correct info. | 
                
                    | PR 1861355 | Product Aborts when loading a customization file with "deny" security | 
                
                    | PR 1844579 | Need Automation support for creating PMI dimensions | 
                
                    | PR 1852602 | Replace part which belongs to a part family doesn't invoke OnFileOpenUI | 
                
                    | PR 6578131 | Added automation method to get associated assembly occurrence from draft | 
                
                    | PR 1860716 | Writing properties and dynamic attributes is very slow in ST4 after placing part |