The next version of iOS has arrived.

Apple revealed iOS 10, which brings huge improvements to Siri, iMessage and the iPhone's lock screen, during its World Wide Developer Conference in San Francisco Monday. 

With iOS 10, which won't be publicly available until later this year, Apple is introducing its long-rumored Siri revamp. With the update, Apple's assistant will be available to third-party developers for the first time.

The update should make Siri a lot more useful as the assistant will be able to work with a lot more services than before. The software development kit allows developers to integrate Siri directly into their apps and allows users to access their apps using Siri. 

Apple's QuickType keyboard is getting some major Siri-centric improvements as well. The predictive keyboard will now be able to use Siri to offer suggestions, like calendar availability and intelligent scheduling, based on what you're typing. 

These are all the things Siri can do in your keyboard (via QuickType) #WWDC2016 pic.twitter.com/FtPJkJA1fU

— Karissa Bell (@karissabe) June 13, 2016

iOS 10 also brings some new 3D Touch features to the iPhone and a new "raise to wake" feature, which turns on your lock screen without the need to touch it. 

Lock screen notifications will also be much more interactive, with improved shortcuts for the camera and Control Center.

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Apple's iMessage app is getting a major overhaul with iOS 10. The messaging app will support rich links, so users can preview content within message threads, new animated effects and emoji prediction features. A new "tap to replace" feature will allow users to replace words in their messages with emoji characters and messages will now support Slack-like emoji reactions. 

Additionally, iMessage is opening up to developers for the first time so third-party apps will be able to tap into iMessage for their messaging features. 

The Photos app is also getting smarter, with new facial recognition features that intelligently organize your images based on who is in them. The app will also be able to automatically organize your photos into "memories" -- collections of photos based on where and when they were taken. 

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Apple Music is getting a major redesign with the iOS 10 release. The updated design makes it easier to navigate your music library and adds lyric support to the app. The app is also getting a new "browse" tab, which is replacing the "new" tab. The tab offers curated suggestions from Apple and shows charts highlighting the most popular music.

Apple's News app, which was first unveiled in iOS 9, will no support subscriptions, so users can get updates when publishers they follow post new content.

Apple is also adding a new Home app, which will act as a hub for HomeKit devices.

The latest version of iOS will be compatible with the iPhone 5 and newer, fourth generation iPad and newer and the sixth generation iPod Touch. The developer preview of the app is available now, with a public beta coming in July and a formal release in the fall.

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