OS X Mavericks 10.9.4 Update Posted 6/30/2014 at 17:40 UTC in Mac by gnye@amdesign.net | Permalink | Tweet OS X Mavericks 10.9.4 Update is recommended for all Mavericks users and 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 and includes Safari 7.0.5.
