Apple is expected to unveil iOS 13, the next major version of the iPhone and iPad operating system, to its annual Worldwide Developers Conference which kicks off on June 3rd. Now, people familiar with the development of the operating system have shared exclusive details with 9to5Mac. Dark Mode and Multitasking
First, the long-awaited Dark Mode is finally coming to the iPhone and iPad with iOS 13. There will be a system-wide Dark Mode that can be enabled in Settings, including a high contrast version, similar to what's already available on macOS. Speaking of macOS, iPad apps running on the Mac using Marzipan will eventually take advantage of the Dark Mode support on both systems.
There are many changes coming to iPad with iOS 1
These cards can also be stacked on top of each other, and use a depth effect to indicate which cards are on top and which are on the bottom. Cards can be flung away to dismiss them
Undo gesture, Safari improvements, and font management
With iOS 13, Apple is introducing a new standard for text input on the iPad. The gesture starts as a three-finger tap on the keyboard area, sliding left and right allows the user to undo and redo actions interactively.
There will be a tutorial the first time the keyboard has been opened to teach users how to use the new feature. It's possible that developers will be able to adopt this interaction in custom controls through a public API.
Safari on iOS 13 for the iPad will automatically ask for a desktop version of websites when necessary, preventing a common issue where websites will render their iPhone version even when running on an iPad with a big screen. YouTube is notorious for this behavior, forcing users to rely on a 'Request Desktop Site' button.
Font management is getting a major upgrade on iOS 13. It will not be necessary to install a profile to get new fonts into the system anymore. Instead there will be a new font management panel in Settings. A new standard font will be available for developers and the system will notify the user when they open a document that has missing fonts.
Smarter Mail, improved multiple item selection, more
The Mail app is getting smarter for the first time in a while: the upgraded app will be able to organize messages into categories such as marketing, purchases, travel, not important and more, with the categories being searchable. Users will also be able to add messages to a "read later" similar to third-party email apps.
Engineers are also working on bringing easy collaboration to third-party document-based apps, similar to what's already available in Apple's Create productivity apps including Pages, Numbers and Keynote
The focus on productivity on iOS continues with the inclusion of new gestures to allow for the selection of multiple items in table views and collection views, which make up for most of the user interfaces found in apps that list large amounts of data. Users will be able to draw with multiple fingers on a list or collection of items to draw a selection, similar to clicking and dragging in Finder on the Mac.
There will also be the ability for developers to use a different status bar style (light or dark) for each side of a split view (side-by-side apps), which should prevent issues that currently occur in some apps where the status bar will lack contrast with the background in one side of the split view. Split Views on Mac apps based on iPad designs that run on the Mac will be able to resize by dragging the divider and have their position reset when double-clicking the divider, like existing Split View apps on the Mac.
New Volume HUD and other changes
Includes a redesigned Reminders app, which is also available on the Mac, a new volume HUD (the current obtrusive one has been a ji] a while now), better "Hey Siri" rejection for common mistaken noises such as laughter and crying babies, better multilingual support for keyboards and dictation, and expanded in-app printing controls.
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