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OS X 10.9.4 Includes Wi-Fi, Wake from Sleep Fixes

Apple has released OS X 10.9.4 Mavericks. The 283 MB update is available via Software Update, and should be available soon from Apple’s Support Downloads Web site.

Highlights of the update include a fix for a bug that prevented some Macs from automatically connecting to Wi-Fi networks (for other suggestions, see Alicia Katz Pollock’s “How to Solve Wi-Fi Connectivity Problems,” 7 February 2014), improved reliability of wake from sleep, and the inclusion of Safari 7.0.5, which features a number of security fixes.

Bundled into 10.9.4 are the usual slew of security improvements, including an update to the certificate trust policy, a fix for sandboxed apps being able to circumvent restrictions, and elimination of an issue that could allow local users to see Apple ID credentials in iBooks logs. Other fixes eliminate problems related to the Intel graphics drivers, issues that could cause unexpected restarts, bugs that allowed arbitrary code execution, and a number of vulnerabilities in Unix system utilities.

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