Here's my complete list of features and updates I could learn, listen and find about iOS, tvOS, watchOS, MacOS, SDKs and developer tools that were announced at WWDC 2018. This year WWDC 2018 Focus is on performance improvements and deepening existing functionality.

The unofficial WWDC Mac app is good way to download the videos and keep track of what you've already watched.

Apple Platform SDK API Differences

Documentation Archive

Apple Developer Documentation

OSX → macOS 10.14 Mojave

https://www.apple.com/macos/mojave-preview/

Dark mode: Official Apple app and Xcode support
Dynamic desktop: desktop subtle changes throughout the day
Stacks: group files on your desktop
Finder Gallery View: carousel view of files with Automator actions avail from the sidebar
QuickLook: markup option, signatures and video trimming
ScreenShots: see a thumbnail in the bottom right corner. You can expand the preview by double-clicking on the thumbnail, an expanded menu, with new options so you can record video
Continuity Camera: ability to seamlessly sync messages and files, snap a picture on your iPhone from your computer, and then import that image directly into a piece of content on pages, numbers or keynote.
Apps: News, Stocks, Voice Memos, Home come with new and redesigned App Store
- Microsoft Office 365, Adobe Lightroom CC, and Barebones BB Edit will go back Mac App Store
Group FaceTime: Users are able to drop in and out of videos call whenever they want
Security protections: on camera, microphone, mail, messages, and backups
Support for cross-platform applications in testing
Safari: social tracking blocking such as like, share, and comment sections
UIKit to the Mac: the new cross-platform frameworks will be available to third-party developers in 2019.
```
    “Are you merging macOS and iOS? No. We love the Mac”
```

iOS SDK

https://developer.apple.com/ios/

iOS 12.0 API Diffs

UserNotifications - new APIs for handling notifications
- threadIdentifier. We use for creating own custom group notifications. If you do not set it, you see under the default group.
  - threadIdentifier = nil
- summaryArgument. We can collect notifications under the same collect name.
  - summaryArgument = nil
- summaryArgumentCount expresses the number of items that summary argument counts for in the summary.
  - summaryArgumentCount = 3
- categorySummaryFormat : We can customize is the summary grouped content.
  - Two forms are allowed: %u and %@.
Dynamic notifications - Notification Content Extension UNNotificationContentExtension
- notificationActions : We can access notificationActions as well as dynamically anywhere
- Allows to UserInteraction touches notifications Image
- Allows to delete action buttons from notification actions
- performNotificationDefaultAction : Allows to launching application programmatically or custom control with Notification Content Extension
- dismissNotificationContentExtension : Custom dismiss content extension view
- Notification Management
  - Show notification settings under the app notification settings page
    - Deliver Quietly: These parameters show notifications only in the notification center, but notifications don’t display an alert and don’t appear on the lock screen and don’t make any sounds. But they are allowed to set a badge.
    - Turn Off...
- Critical Alert notification: Critical notification will be delivered with sound and on screen, even if the Do not disturb mode is enable. You need to get special entitlement from Apple.
  - Remote notifications configuration:, add a critical: 1 property to the JSON payload
  - Local notifications configuration:, we need to configured content UNNotificationSound.defaultCritical
  - Override the notification volume : UNNotificationSound.defaultCriticalSound(withAudioVolume: 1.0)
UITableView:
- automatic cell prefetching
- data prefetching
Automatic Backing Store:
- Save grayscale content for rich graphic content
- UIView.draw()
- UIGraphicsImageRenderer
- UIGraphicsImageRendererFormat.range
% 50 memory usage decrease for Images
UILabel:
- Uses %75 smaller backing store
new requestAuthorization options .provisional and .providesAppNotificationSettings
Coverage
- xccov: it is a new command line tool. It helps to output formats (human-readable or JSON) more readable.
iPhone X gives safe areas in portrait and landscape mode
Cascade list: if Chinese first characters font does not have it, we say to use this character instead of it.
tableView.cellLayoutMarginsFollowReadableWidth = false. Previously, It was true
tableView.insetsContentViewsToSafeArea = false. Extending content View from edge to edge
Automatically generate a strong password: We can define a custom password rule for sing-in our app. UITextInputPasswordRules
- Password Rules Validation Tool
INRelevantShortcut Expose Shortcuts to the Siri Watch Face
ASWebAuthenticationSession handle an OAuth login flow automatically. It publishes instead of the SFAuthenticationSession.
INPlayMediaIntent Allows us to create Shortcuts to play audio and video content
Automatic 2-factor authentication SMS codes input in the UITextfield

watchOS SDK

https://developer.apple.com/watchos/

Auto Scaling option for incomplete Assets
Interactive Notifications
New text styles for Fonts
Siri Shortcuts
- WKRelevantShortcutRefreshBackgroundTask : Updating your shortcuts and refresh data
New workout builder API
- recoverActiveWorkoutSession() : Automatic relaunch after crash than session and builder restore
New Background Mode for Audio
Notifications
- Group notifications
- Quiet notifications
- Critical alert notifications
- Interactive notifications

tvOS SDK

https://developer.apple.com/tvos/

Password AutoFill
Focus Engine enhancements UIFocusUpdateContext
- IUIFocusItemContainer interface,
- UIFocusMovementHint class,
- IUIFocusItemScrollableContainer interface.
Text Scrolling
- label.enablesMarqueeWhenAncestorFocused = true
TVUIKit
- TVPosterView
- TVCaptionButtonView
- TVCardView
- TVMonogramView
- TVLockupView
TVDigitEntryViewController

iOS 12

https://www.apple.com/ios/ios-12-preview/

App Store Connect app: replacement for the existing iTunes Connect app
iOS 12 adds multi-user Face ID with support for up to two faces
Do Not Disturb: Good morning screen & During Bedtime
Doubling down on performance
50% faster keyboard display
2x faster app launching, share sheets
AR
- New App: Measure
- Apple, Pixar and Adobe back a standardized AR file format USDZ
- Apple unveils ARKit 2
Photos
- The app has updated search for events, locations and people. Also, we can use multiple search parameters.
- Send photos to your friends, also send back any photos they have that are from the same event, time, or location
Siri Shortcuts
- Create custom voice commands with Siri that can connect with any app.
- User can create own activation text
Apps: New News, New Stocks, Voice Memos
CarPlay: 3rd party navigation apps will work with CarPlay
Automatic Passwords
Security code AutoFill: this allow the mobile device to scan incoming SMS messages for such codes and suggest them at the top of the default keyboard.
Third time books app name is changed. The new name is Apple Books
Notification Center:
- Group Notifications
- Interaction
- Settings
Screen Time: personalized usage analytics
Parents can manage child device remotely
Memoji: Next level of enimoji with tongue detection
Connections: FaceTime can GroupCall with 32 people in a single call, biggest update of FaceTime
Core ML 2
Safari
More Battery info details
70% faster camera snap
RAW photo editing

watchOS 5

http://www.apple.com/watchos-preview/

watchOS 5 won’t support first generation Apple Watches
Activity competitions and awards
New workout types: yoga, cadence and hiking
Running: rolling mile pace, steps per minute or cadence
Webkit support, reader mode
Podcasts
GymKit integration with GymDevice and Apple Watch
Air quality complication
Automatic workout detection
Student ID card on watch
Walkie-Talkie app
No longer need to say "hey siri" when raising wrist
Siri: watch face shows directions at the appropriate times of the day and provides shortcuts to functions like directions from CityMapper.
- Notifications interactive controls available from within them for third-party apps
Customizable Control Center
Third-party apps ( nike & yelp ) will come to the watch face too.
New Notification Interface: There are two interfaces for Notification. Dynamic Interface and Interactive Interface. Dynamic Interface is for previous version watchOS Notification support.
We can add GestureRecognizer to watchOS Notification
New background modes: Audio
Notification delivered with varying level of urgency
View web pages and HTML messages from Mail and Messages
Rainbow: Pride edition watch band and face

tvOS

https://www.apple.com/apple-tv-4k/

Dolby Atmos and 4K HDR support
TV App has live news
3rd party rem

Wwdc2018

Install / Use

README