Bugzilla 5.0 recently released, is a “Defect Tracking System” or “Bug-Tracking System”. Defect Tracking Systems allow individual or groups of developers to keep track of outstanding bugs in their product effectively. Most commercial defect-tracking software vendors charge enormous licensing fees. Despite being “free”, Bugzilla has many features its expensive counterparts lack. This new major release comes with many new features and improvements to WebServices and performance New Features and Improvements Improved WebServices Improved Caching using Memcached Abililty to Tag Bug Comments Improved Bug Group Membership Checking Improved Documentation for Users and Administrators Other Enhancements and Changes Enhancements for Users Bugs: The deadline field is now visible to users not in the the timetracking group.