Mac OS X 10.11.5 was an update to Mac OS X 10.11 released on May 16, 2016. This update includes the following enterprise changes: * Fixes an issue where applying a configuration profile to set allowSpotlightInternetResults to False would cause Spotlight to use large amounts of CPU time. * Fixes an issue where applying a configuration profile to set ShutDownDisabledWhileLoggedIn to True would have no effect. * Fixes an issue where only a single NetBoot image would appear in the Startup Disk pane of System Preferences, even if multiple NetBoot images were configured on the server.