All The Updates & Announcements of Apple WWDC 2023: What Developers Need To Know

All The Updates & Announcements of Apple WWDC 2023: What Developers Need To Know

iOS App Development


The Worldwide Developers Conference (WWDC) 2023 ushered in a remarkable wave of updates and additions to Apple’s ecosystem, equipping developers with an extensive toolkit of tools and APIs to enhance app experiences. In this blog post we will explore the most notable features and innovations unveiled at WWDC 2023. These include the Call Kit Framework, SharePlay API, Share LiveStream feature, Suggestions API, Game Mode, WebKit API updates, Continuity Camera API, Workout APIs, and various other tools that will empower iOS App developers to create exceptional applications for iOS.


ios app development
A brief overview of all the happenings at WWDC 2023 (Source: Apple)


Call Kit Framework – Revolutionizing Call Interfaces

An exciting highlight of the Call Kit Framework update is the new capability for developers to incorporate a poster appearance for calls initiated through third-party VoIP apps. This enhancement opens up the possibility of creating a personalized call interface, enriched with visually appealing elements and pertinent information.


ios app development
Call Kit framework allows personalized call interfaces

SharePlay API – Sharing Music Made Seamless

The SharePlay API offers developers a seamless integration of music sharing functionality within their apps. This allows users to effortlessly enjoy their favorite songs and effortlessly share them with their loved ones directly from the app itself.

ios app development - shareplay API
SharePlay API enhances music sharing for iOS


Suggestions API –  Personalized and Reflective Promotions

The Suggestions API empowers developers with a robust toolset for managing user preferences and needs. With this feature, apps can provide personalized and thought-provoking recommendations, tailoring suggestions to enrich the overall user experience.


ios app development suggestions API
This API enhances personal recommendations for users


Continuity Camera API – Capture and Share Moments Across Devices

With the Continuity Camera API, developers can effortlessly integrate camera sharing functionalities between various devices, including TVs and Macs. This seamless integration opens up exciting possibilities for capturing and sharing moments across different platforms, providing users with a seamless and connected experience.

ios app developmentcontinuity camera API
Share your pictures & videos across devices in a breeze


Workout APIs – Elevating Fitness Experiences

The introduction of the Workout APIs equips developers with powerful tools to enhance fitness experiences using WatchOS 10. By leveraging these APIs, developers can create immersive and personalized fitness apps that cater to the unique and diverse needs of users. These APIs enable users to engage with their workouts in a more interactive and tailored manner, unlocking new levels of motivation and engagement.

Game Mode – Enabling Feature Rich Game Development

By introducing the Game Porting Toolkit, developers can now create games that can be seamlessly deployed across multiple Apple platforms. This toolkit simplifies the game development process, making it more accessible for developers and enabling gamers worldwide to enjoy games on various Apple devices.


WebKit API Updates –  Advancements in Web Technology

The latest updates to the WebKit API bring a multitude of enhancements, including support for web push notifications on iOS, advanced regular expression features, improved CSS capabilities, enhanced performance through offscreen canvas, and more. These updates empower developers to craft highly dynamic and interactive web experiences, pushing the boundaries of what is possible on the web.


Some Other Upgrades in Webkit

  • Web Push for iOS web apps is now supported.
  • RegExp lookbehind assertions are now available.
  • The UserActivation API is introduced.
  • Support for margin-trim is added.
  • Lazy-loading iframes are now supported.
  • Manifest “id” is now available.
  • OffscreenCanvas feature is introduced.
  • Media Queries range syntax and boolean logic are supported.
  • The Badging API is introduced.
  • CSS Nesting is now supported.
  • Web Video Codecs are updated.
  • WebAssembly SIMD (Single Instruction, Multiple Data) support is added.
  • AVIF format is supported on macOS Monterey and macOS Big Sur.
  • Declarative Shadow DOM is introduced.
  • Resizable ArrayBuffer is now available.
  • Import Maps are introduced.
  • @property for defining properties in CSS is supported.
  • Screen Wake Lock API is available.
  • Wide-gamut color in WebGL canvas is supported.
  • font-size-adjust is now available in CSS.
  • Fullscreen API is supported.
  • CSS relative color syntax is now available.
  • color-mix() function in CSS is introduced.
  • Elementinternals is supported.
  • Compression Streams API is introduced.
  • Growable SharedArrayBuffer is available.
  • @Counter-Style for custom counter styles in CSS.
  • text-transform: full-width and full-size-kana in CSS are supported.
  • Offscreen Canvas 3D is introduced.
  • RegExp Duplicate named capture groups are supported.
  • @supports font-format in CSS is introduced.
  • RegExp v flag is supported.


Some More iOS API Updates & New Launches

  • HealthKit for iPad.
  • Camera API for TV.
  • Sensitive Content Analysis API.
  • HDR Photo API.
  • ML Compute Device.
  • Continuity Device Discovery on tvOS.
  • Storekit Views.
  • Time in DayLight API.
  • Screen Sharing Picker API.
  • Native Swift Predicates.
  • Cinematic Mode Video Edit API.
  • MapKit Improvements for SwiftUI.
  • Workout Mirroring.
  • SwiftUI Custom Animations.
  • High-Frequency Motion API.
  • Interactive Charts.
  • Animated SF Symbols.
  • Mic APIs on tvOS.
  • C++ Interoperability in Swift.
  • In-Line Predictive Text API.
  • Macros.
  • SharePlay attachments.
  • Custom Workouts APIs.
  • 3D Human Body Pose Detection.
  • Add-Only permission for Calendar.
  • SkAdNetwork 5.0.
  • Poster in CallKit.
  • TipKit.
  • PieChart.



The WWDC 2023 has introduced a host of exciting updates and features, revolutionising app experiences and empowering developers. The Call Kit Framework, SharePlay API, Share LiveStream feature, Suggestions API, Game Mode, WebKit API updates, Continuity Camera API, Workout APIs, and others offer developers an array of tools to create innovative and engaging applications. By harnessing the power of these new capabilities, developers can unlock endless possibilities and deliver enhanced experiences to users on a variety of platforms.  The future of application development is brighter than ever, thanks to the advances presented in WWDC 2023.


Posted on June 6, 2023 by Amit Sinha
Amit Sinha