So you should be able to search for documents in the Finder by typing documents I worked on last June.' Apple's Mail program now has the same gestures as its iOS counterpart for quickly deleting and archiving messages. Spotlight now has natural language capabilities which also extend to apps that use Spotlight for their own search features.
Catching up with Chrome, Safari now has the ability to pin tabs as well as mute audio on a tab-by-tab basis. There are plenty of improvements in El Capitan's built-in apps too. The full release ofOS X El Capitan is now available for download from Apple's website.
More information on this OS X and iTunes update can be found on Apple's support page. This latest iTunes update may also include safeguards to protect users from the alleged bug that has caused some users of iTunes and Apple Music is lose their entire music libraries. Released seven months after the last iTunes update, 12.4 includes a redesigned interface that's intended to be simpler to navigate and reintroduces the much-called-for sidebar.
Released alongside this new OS X update is iTunes 12.4. They include fixing an issue where applying a configuration profile to set allow SpotlightInternetResults' to False' would cause Spotlight to use large amounts of CPU time, an issue where applying a configuration profile to set ShutDownDisabledWhileLoggedIn' to True' would have no effect and 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. Improvements in OS X 10.11.5 are mostly performance revisions.