The 10.8.5 update is recommended for all OS X Mountain Lion users and improves the stability, compatibility, and security of your Mac.
Fixes an issue that may prevent Mail from displaying messages
Improves AFP file transfer performance over 802.11ac Wi-Fi
Resolves an issue that may prevent a screen saver from starting automatically
Improves Xsan reliability
For detailed information about this update, please visit: http://support.apple.com/kb/HT5815
For detailed information about the security content of this update, please visit:http://support.apple.com/kb/HT1222
SHA1 = b115881f8541b2b80f89ff0e37563f2245be445b