Apple on Wednesday released to the public the completed OS X 10.11 El Capitan, making a variety of enhancements to features like Safari and Spotlight, while simultaneously ramping up Mac performance.<br />Spotlight now lets users search for files and other content in natural language, and access new kinds of information such as weather, stocks, and public transit schedules.<br />Safari now supports pinned tabs, pushing Web video via AirPlay, and muting tabs via the Smart Search field.<br />Mail has gained a redesigned fullscreen view, iOS-style swipe gestures for marking or deleting items, and the ability to quickly add contacts and Calendar events based on message content.