Apple unveiled its latest version of Mac OS X at its Worldwide Developers Conference on Monday. It’s called El Capitan. The company said the previous version – Yosemite – had the best adoption rate of any PC operating system ever, before showing off features that it hopes will help top that with the new one.

El Capitan includes enhancements to Spotlight, built-in apps, and window management, including a new mission control interface and split view. There are also some new gestures, such as a quick action to delete a message in Mail.

Safari gets some big improvements with the release, including the ability to pin web pages to the top bar as well as tabs that let you know where sound is coming from (like Chrome) and let you mute the sound from a button in the address bar.

“With Pinned Sites in Safari, the sites you check often are always available and up to date in a tab,’ the company says.

Spotlight Search gets some big updates enabling users to bring up sports, weather, and stock info, as well as personalized search results for native content.

There’s an enhanced full-screen view in Mail that lets you add tabs to a new message window, and the Spaces bar makes it easier to create multiple desktops.

The OS also comes with big improvements to performance. Some stats given: 1.4X acceleration in app launching; 2X in “snappiness of switching apps;” 2X speed improvement for getting mail messages, and 4X speed improvement for open PDF previews.

“El Capitan is more powerful than ever, with advancements under the hood and smarter ways to do the things you do most,” the company says.

El Capitan available to developers today. A public beta will come in July, and it will roll out to everyone in the fall.

Image via Apple