Tim Cook has returned to the stage to talk about iOS.
The new features will come in a software update expected in a few months.
WWDC 2017 is June 5 to 9 in San Jose, California.
A recent report suggests that Apple's roadmap has been leaked by 3 Foxconn employees on a thread on Reddit.
Your iMessage conversations are now also synched across all your Apple devices automatically which means everything from conversations to individual messages can now be synched and deleted across all devices.
You can also count on an awkward demo or two, a couple of dad jokes, and a bunch of new stats.
The beautifully redesigned App Store is packed with original stories and editorial, updated daily in a new Today tab, as well as new Games and Apps tabs.
One thing we're expecting is a slight redesign for Apple Music that would focus more on its original video.
A brand new Files app is part of the iOS 11 features package for iPad. For starters, the company showcased how spatial recognition could be used to place virtual objects in real world locations, much like we've seen on Google's Tango platform. That includes the ability to add drawings to typewritten documents, mark up text files, and take handwritten notes within Apple's native Notes app.
Another long-rumored feature that could debut is a dark mode for iOS. This is a useful change that allows you to more easily install the iOS 11 beta. So while it's expected that company may reveal some details about it at WWDC, don't expect its launch tonight.
The lawsuit also claimed Apple has had the technology to lock out drivers while driving since 2008 but has chosen not to use it.
World No Tobacco Day In North Yorkshire
Although smoking in public places was restricted nationwide since 2008, there are approximately 120 million smokers in India . Tobacco is also said to reduce fertility in women and makes it hard for them to conceive.
The lawsuit claims seem to derive from a patent granted to Apple in 2014 that was filed in 2008.
Apple isn't just going after Amazon.
Without further ado we'll get stuck into some of the biggest features that have been announced.
But Apple will also spend time on lots of smaller bits.
Apple is also making in-app purchases more discoverable on the App Store. Refreshed Apple TV software added Amazon.com Inc.'s Prime Video service as an app.
Apple also showed off a sneak peek at a new, high-performance version of the iMac - a 27-inch, darker gray iMac Pro, with up to 18 processor cores - that's shipping in December.
Apple devices will support multi-room audio, so you can rock out to music on speakers spread out around your house.
Using ARKit, developers will be able to create AR apps that work with people's existing iPhones.
The idea behind the rumored speaker is that users could talk to it and tell it to, say, turn on lights, or answer basic questions. He said that iOS 10 had almost 96 per cent satisfaction with 86 per cent iPhone users installing the update as compared to only seven per cent Android users who installed Android Nougat - the latest version of Google's operating system.