OS X 10.11.1

Mac OS X 10.11.1 was an update to Mac OS X 10.11 released on October 21, 2015.

This update includes the following: For detailed information about the security content of this update, see Apple Security Updates.
 * Improves installer reliability when upgrading to OS X El Capitan.
 * Improves compatibility with Microsoft Office 2016.
 * Fixes an issue where outgoing server information may be missing from Mail.
 * Resolves an issue that prevented display of messages and mailboxes in Mail.
 * Resolves an issue that prevents certain Audio Unit plug-ins from functioning properly.
 * Improves VoiceOver reliability.
 * Adds over 150 new emoji characters with full Unicode 7.0 and 8.0 support.
 * Resolves an issue that caused JPEG images to appear as a gray or green box in Preview.