In an update to a support document on Friday, Apple offers details on the changes and improvements — including expanded display compatibility — made to 4K monitor support under the company's latest OS X Mavericks 10.9.3 release.
Some who upgraded to OS X 10.9.3 this week have found that the update mistakenly hides the system's "/Users" folder at the top level of their hard drive. But the bug can be addressed with a quick and easy fix.
Apple on Thursday released OS X 10.9.3, a minor update for its Mavericks Mac operating system, bringing improved 4K display support for the latest Mac Pro and 15-inch MacBook Pro, along with other bug fixes and improvements.
Apple on Monday seeded the latest OS X Mavericks 10.9.3 beta to developers with iterative changes and enhancements, while asking developers concentrate on the usual focus areas including graphics, Mail and iTunes syncing.
Apple on Wednesday released to developers the latest version of its upcoming OS X maintenance update, asking beta testers to concentrate on graphics drivers, audio, Safari and iTunes contacts and calendar syncing over USB.
One week after the last beta, Apple has returned with another pre-release version of OS X 10.9.3 for testing by employees and registered Mac developers with a focus on graphics drivers, audio, Safari, USB data synchronization, and Mail.
Exactly one week after Apple seeded the first OS X 10.9.3 beta, which included new 4K monitor support, the company on Thursday issued a second beta asking developers to concentrate on graphics drivers and audio.
It appears that Apple will be enabling additional support for 4K displays with the latest OS X 10.9.3 maintenance update, with people familiar with the beta reporting support for so-called pixel-doubling, 60Hz refresh rates with late-2013 MacBook Pros and more.