Apple releases OS X 10.10.1 with Wi-Fi reliability fixes and more
Apple has released the latest update for OS X Yosemite, version 10.10.1. It contains a number of fixes and improvements to Yosemite You can find OS X 10.10.1 in the Updates section of the Mac App Store.
This update fixes Wi-Fi issues with Yosemite, as well as connections with Microsoft Exchange servers.
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Story added 18. November 2014, content source with full text you can find at link above.