Mac OS X 10.11.4 was an update to Mac OS X 10.11 released on March 21, 2016. This update includes the following: * Adds the ability to passcode-protect notes containing personal data in Notes * Adds the ability to sort notes alphabetically, by date created, or date modified in Notes * Adds the ability to import Evernote files into Notes * Adds support for sharing Live Photos between iOS and OS X via AirDrop and Messages * Addresses an issue that may cause RAW images to open slowly in Photos * Adds the ability for iBooks to store PDFs in iCloud, making them available across all your devices * Fixes an issue that prevented loading Twitter t.co links in Safari * Prevents JavaScript dialogs from blocking access to other webpages in Safari * Fixes an issue that