Apple has released Mac OS X 10.9.5. The company says it improves the stability, compatibility, and security of your Mac. This update:
° Improves the reliability of VPN connections that use USB smart cards for authentication;
° Improves the reliability of accessing files located on an SMB server;
° Includes Safari 7.0.6.
Apple says that, for enterprise content, this update:
° Fixes an issue with group membership in large network groups, that also might prevent administrators from performing some administrative tasks successfully.
° Allows for faster authentication when roaming on 802.1x networks which use EAP-TLS.
Mac OS X 10.9.5 is available at the Mac App Store or via the Software Updates component of the Systems Preferences app.