# Technology Changes
* All NEW Version 5.6!
* NEW: Completely re-architected definition database system
* NEW: Dramatically improved memory usage - up to 90% less compared with the previous version!
* NEW: Greatly enhanced product load times
* NEW: Faster scanning, faster malware detection
* Resolution of long-standing issues affecting certain systems
* Several critical bug fixes
* Heuristic/Smart definition updates and improvements
* Enhancements to the Worldwide Threat Map infrastructure
* Optimizations to the in-product bug reporting system