Release Notes: Contains critical bugfixes and enhancements. Has a completely new Pornographic Image Filtering technology. Has a completely new internal log-rotation mechanism. A memory leak caused in the master-slave operation has been fixed. Response time to new incoming connections is now significantly lower. Can now give assured service for environments with 1000 concurrent connections. SSO authentication responds with reduced latency and memory utilization. Serves content from cache at a significantly higher speed. Support for ICAP servers that demand preview is included.