May 3, 2024

OS X 10.8.5 Fixes AFP File Transfer Speeds Over 802.11ac Wi-Fi, Could Be Released Today

Posted August 26, 2013 at 2:44pm by iClarified · 9098 views
Apple has begun supplying select partners with a prerelease build of OS X 10.8.5 Mountain Lion, reports AppleInsider. This indicates that public release is not far behind.

Notably, the software update fixes a performance issue with transferring files over 802.11ac. Back in June, it was discovered that OS X didn't scale the TCP window size beyond 64KB when copying files over an AFP share. This artificially limited the speed that users could transfer at.

The prelease build is number "12F35" and includes the following changes.

● 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

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