WWDCNotes
Session notes shared by the community, for the community.
Overview
There are three ways to find your way around the notes on this site.
Contributing
Missing something? Spotted a mistake? Contributions are welcome ›
Topics
Contributors
WWDCNotes is only possible thanks to these volunteers. Contribute and get listed here too.
Read article
WWDC26
9 notesXcode 27 · iOS / iPadOS / macOS / tvOS / visionOS 27
Core AI on-device models, coding agents in Xcode 27, the Evaluations framework, Music Understanding, and Reality Composer Pro 3 spatial workflows.

WWDC25
32 notesXcode 26 · Swift 6.2 · iOS / iPadOS / macOS / tvOS / visionOS 26
Foundation Models on-device, Liquid Glass across platforms, AlarmKit, App Intents everywhere, and a redesigned Icon Composer.

WWDC24
53 notesXcode 16 · Swift 6 · iOS 18 · macOS 15 Sequoia · visionOS 2
Swift 6 data-race safety, Apple Intelligence, Swift Testing, TabletopKit, and a more expressive SwiftUI.

WWDC23
121 notesXcode 15 · Swift 5.9 · iOS 17 · macOS 14 Sonoma · visionOS 1
visionOS arrives, SwiftData replaces Core Data ergonomics, Observation, and macros land in Swift.

WWDC22
66 notesXcode 14 · Swift 5.7 · iOS 16 · macOS 13 Ventura
Lock Screen widgets, WeatherKit, Swift Regex, and the Swift Charts framework debut.

WWDC21
90 notesXcode 13 · Swift 5.5 · iOS 15 · macOS 12 Monterey
Swift concurrency: async/await, actors, structured tasks. Plus DocC, MusicKit, and SharePlay.

WWDC20
130 notesXcode 12 · Swift 5.3 · iOS 14 · macOS 11 Big Sur
Home Screen widgets, App Clips, the Big Sur redesign, and Apple silicon Macs.

WWDC19
114 notesXcode 11 · Swift 5.1 · iOS 13 · macOS 10.15 Catalina
SwiftUI is announced, Combine, Dark Mode on iOS, Sign in with Apple, and Catalyst.

WWDC18
33 notesXcode 10 · Swift 4.2 · iOS 12 · macOS 10.14 Mojave
Dark Mode on the Mac, Siri Shortcuts, Create ML, and big performance wins.

WWDC17
10 notesXcode 9 · Swift 4.0 · iOS 11 · macOS 10.13 High Sierra
ARKit, Core ML, drag & drop on iPad, and the Files app.

WWDC16
9 notesXcode 8 · Swift 3.0 · iOS 10 · macOS 10.12 Sierra
Swift 3 lands, SiriKit opens to apps, iMessage apps, and the Sierra rename.

WWDC15
11 notesXcode 7 · Swift 2.0 · iOS 9 · OS X 10.11 El Capitan
Swift goes open source, watchOS native apps, App Thinning, and Split View on iPad.

WWDC14
14 notesXcode 6 · Swift 1.0 · iOS 8 · OS X 10.10 Yosemite
Swift is introduced to the world, alongside HealthKit, HomeKit, and Metal.

WWDC13
7 notesXcode 5 · iOS 7 · OS X 10.9 Mavericks
The iOS 7 flat redesign, Sprite Kit, and the first free OS X release.

WWDC12
5 notesXcode 4 · iOS 6 · OS X 10.8 Mountain Lion
Passbook, Auto Layout, and the integration of Maps and Facebook.

WWDC11
3 notesiOS 5 · OS X 10.7 Lion
iCloud, Storyboards, Automatic Reference Counting, and the Notification Center.

WWDC10
2 notesiOS 4
Multitasking arrives on iPhone, Game Center, and the Retina display.