After October 31st, 2015 customers will still be able to utilize self-help features such as the knowledge base, documentation, existing patches, and the community forums. Customers requesting help with PPM 9.1x after October 31st will kindly be referred to the self-help sections of the HP Software website.
Customers with active support contracts are entitle to free upgrades to the latest PPM version 9.31 (as of February 1st, 2015). The 9.3x stack contains many great new features & enhancements:
Fresh, new, user Interface
New usability features on Request pages including the ability to jump to specific sections, highlighting missing required fields, hovering workflow buttons, and more
Simplification & Optimization of resource & project management module.
Improvement and adding ‘Export to excel’ function to more portlets
Excel based operational reporting.
Asynchronous loading for dashboard portlets
Embedded quality reports from your ALM integration
Improved Agile project management by Out-of-box Integration with HP Agile Manager software product and Agile Open SDK by which PPM Center can be integrated with any agile management tools.
Application Portfolio Management
Platform Improvements: Replace JBOSS with Tomcat, Purge Utility, FIPS support.
New certifications: Java 8, Oracle 12, Windows 2012, Win 8.1, IE 11
Here are some reference documents for more information related to 9.3x