over 90 bug fixes, some of which are security related. 5.3.8 2011-08-23 This release fixes two issues introduced in the PHP 5.3.7 release. 5.4.0beta1 2011-09-15 Trait Support, Removed items: register_globals , safe_mode , allow_call_time_pass_reference , session_register() , session_unregister() and session_is_registered() . Several improvements to existing features. 6  ?.? No date set