Apple Update Information — March 27, 2017

Today, Apple released updates for macOS Sierra (10.12.4), Mac OS X 10.11.6 El Capitan (Security Update 2017–001 and Safari 10.1), Mac OS X 10.10.5 Yosemite (Security Update 2017–001 and Safari 10.1), iOS 10.3, watchOS 3.2, tvOS 10.2, as well as updates to macOS Server, Keynote, Numbers, and Pages for both macOS Sierra and iOS 10, and Xcode 8.3 for Mac.

About the macOS Sierra 10.12.4 Update:
https://support.apple.com/en-us/HT207536 is now live. It has details on the new “tethered caching” feature in macOS 10.12.4 for USB-connected iOS devices:
https://support.apple.com/en-us/HT207523
http://krypted.com/mass-deployment/tethered-caching-ios-assets-macos-10-12-4/

macOS 10.12.4 is build 16E195.
Download macOS Sierra 10.12.4 Combo Update:
https://support.apple.com/kb/DL1910?viewlocale=en_US&locale=en_US
Download macOS Sierra 10.12.4 Update:
https://support.apple.com/kb/DL1911?viewlocale=en_US&locale=en_US

Mac OS X 10.11.6 w/Security Update 2017–001 is build 15G1421
Download Security Update 2017–001 (El Capitan):
https://support.apple.com/kb/DL1914?viewlocale=en_US&locale=en_US
Mac OS X 10.11.6 w/Security Update 2017–001 is build 14F2315
Download Security Update 2017–001 (Yosemite):
https://support.apple.com/kb/DL1915?viewlocale=en_US&locale=en_US

Safari 10.1 is out separately for both El Capitan and Yosemite, no direct download link yet.

* macOS Sierra Update-10.12.4
macOS Sierra Update (10.12.4), 1525269K [recommended] [restart]

* Security Update 2017–001–10.11.6
Security Update 2017–001 (10.11.6), 457638K [recommended] [restart]

* Safari10.1ElCapitan-10.1
Safari (10.1), 71447K [recommended]

* Safari10.1Yosemite-10.1
Safari (10.1), 71091K [recommended]

* Security Update 2017–001–10.10.5
Security Update 2017–001 (10.10.5), 461186K [recommended] [restart]

macOS Server 5.3 is out (build 16S4123):
https://itunes.apple.com/us/app/macos-server/id883878097?mt=12

Xcode 8.3 is out (build 8E162):
https://itunes.apple.com/us/app/xcode/id497799835?mt=12

Keynote 7.1 for macOS Sierra:
https://itunes.apple.com/us/app/keynote/id409183694?mt=12

Numbers 4.1 for macOS Sierra:
https://itunes.apple.com/us/app/numbers/id409203825?mt=12

Pages 6.1 for macOS Sierra:
https://itunes.apple.com/us/app/pages/id409201541?mt=12

iOS 10.3 (build 14E277)
watchOS 3.2 (build 14V249)
tvOS 10.2 (build 14W265)

About the Security Content of macOS Sierra 10.12.4, Security Update 2017–001 El Capitan, and Security Update 2017–001 Yosemite:
https://support.apple.com/en-us/HT207615

About the Security Content of iOS 10.3:
https://support.apple.com/en-us/HT207617

About the Security Content of watchOS 3.2:
https://support.apple.com/en-us/HT207602

About the Security Content of tvOS 10.2:
https://support.apple.com/en-us/HT207601

About the Security Content of Safari 10.1:
https://support.apple.com/en-us/HT207600

About the Security Content of Keynote 7.1, Numbers 4.1, and Pages 6.1:
https://support.apple.com/en-us/HT207595

About the Security Content of macOS Server 5.3:
https://support.apple.com/en-us/HT207604

Apple Security Updates page:
https://support.apple.com/en-us/HT201222

(Special thanks to Michael Lynn, @mikeymikey on Twitter, @frogor on MacAdmins Slack, for the assist with finding some of these URL’s before they were publicly linked at https://support.apple.com/downloads)