Apple today released OS X Mavericks 10.9.4 which is recommended for all Mavericks users. It improves the stability, compatibility, and security of your Mac.
• Fixes an issue that prevented some Macs from automatically connecting to known Wi-Fi networks
• Fixes issue causing the background or Apple logo to appear incorrectly on startup
• Improves the reliability of waking from sleep
• Includes Safari 7.0.5
For detailed information about the security content of this update, see Apple security updates.
MacDailyNews Take: Schnappy!