Today Apple released iOS 11 & tvOS 11. It is a major release to be followed OS 11 for the Mac on September 25th. These updates come along side the exciting new hardware updates, iPhone X, iPhone 8, Watch series 3 and Apple tv 4k.
As Mac users await this fall's launch of OS X Yosemite, Apple's current Mac operating system received a minor update on Monday, with OS X Mavericks 10.9.4 fixing minor bugs related to Wi-Fi and wake from sleep.
UPDATE: On Tuesday February 25, 2014 Apple released an update to Mavericks that includes a patch to the critical 'goto fail' security flaw. Please update your computer as well as your iOS device. Instructions for your computer.