Mac OS X 10.9.2 was released on February 25, 2014. This update: * Adds the ability to make and receive FaceTime audio calls * Adds call waiting support for FaceTime audio and video calls * Adds the ability to block incoming iMessages from individual senders * Improves the accuracy of unread counts in Mail * Resolves an issue that prevented Mail from receiving new messages from certain providers * Improves AutoFill compatibility in Safari * Fixes an issue that may cause audio distortion on certain Macs * Improves reliability when connecting to a file server using SMB2 * Fixes an issue that may cause VPN connections to disconnect * Improves VoiceOver navigation in Mail and Finder * Provides a fix for SSL connection verification