Earlier today, Apple previewed iOS 11.3 beta features, detailing how the new version will bring forth new Animojis, ARKit updates, new Animojis and more.

Just now, Apple has released iOS 11.3 beta for developers to download and test, along with new versions of Xcode 9.3, macOS and tvOS as well. Here’s what’s available:

Xcode 9.3 beta (9Q98q)
macOS 10.13.4 beta (17E139j)
iOS 11.3 beta (15E5167f)
tvOS 11.3 beta (15L5164e)

iOS 11.3 beta also brings the ability for Phone 6, iPhone 6 Plus, iPhone SE, iPhone 6s, iPhone 6s Plus, iPhone 7 and iPhone 7 Plus owners to disable Apple’s power management feature, which prevents unexpected shutdowns, first seen in iOS 10.2.1.

Stay tuned as developers dive deep into iOS 11.3 beta and unearth more features.