We are upgraded from ehp4 to ehp7 and activated the new business function as mention below :
New Business Functions activated for SAP PS module:
1.OPS_PS_CI_2: Business Function Project System, Extended
2.OPS_PS_HLP_2: Business Function Project System, Handling
3.OPS_PS_HLP_2: Project Editor Improvements (Enhanced)
4.OPS_PS_HLP_2: Gantt Chart (New)
5.OPS_PS_HLP_2: Date Planning and Scheduling (New)
6.OPS_PS_HLP_2: Draft Handling Improvements (Enhanced)
7.OPS_PS_HLP_2: Project Cache Improvements (Enhanced)
8.OPS_PS_HLP_2: Project Work list Improvements (Enhanced)
But we could not find any Performance Improvements function for PS Module.
Please do the review and provide your feedback to avail new functions.