I’ve tried to put together all the WWDC Accessibility sessions I could find. If I’m missing any please let me know.
WWDC 2021
SwiftUI Accessibility: Beyond the basics
https://developer.apple.com/videos/play/wwdc2021/10119/
The practice of inclusive design
https://developer.apple.com/videos/play/wwdc2021/10275/
The process of inclusive design
https://developer.apple.com/videos/play/wwdc2021/10304
Accessibility by design: An Apple Watch for everyone
https://developer.apple.com/videos/play/wwdc2021/10308/
Tailor the VoiceOver experience in your data-rich apps
https://developer.apple.com/videos/play/wwdc2021/10121/
Developer spotlight: Accessibility
https://developer.apple.com/videos/play/wwdc2021/10318/
Bring accessibility to charts in your app
https://developer.apple.com/videos/play/wwdc2021/10122/
Create accessible experiences for watchOS
https://developer.apple.com/videos/play/wwdc2021/10223/
Build interfaces with style
https://developer.apple.com/videos/play/wwdc2021/10196/
What’s new in SF Symbols
https://developer.apple.com/videos/play/wwdc2021/10097/
Support Full Keyboard Access in your iOS app
https://developer.apple.com/videos/play/wwdc2021/10120/
Design for Safari 15
https://developer.apple.com/videos/play/wwdc2021/10029/
WWDC 2020
Make your App Visually Accessible
https://developer.apple.com/videos/play/wwdc2020/10020/
Create a seamless speech experience in your apps
https://developer.apple.com/videos/play/wwdc2020/10022/
Accessibility design for Mac Catalyst
https://developer.apple.com/videos/play/wwdc2020/10117/
VoiceOver efficiency with custom rotors
https://developer.apple.com/videos/play/wwdc2020/10116/
App accessibility for Switch Control
https://developer.apple.com/videos/play/wwdc2020/10019/
WWDC 2019
Accessibility Inspector
https://developer.apple.com/videos/play/wwdc2019/257/
Accessibility in SwiftUI
https://developer.apple.com/videos/play/wwdc2019/238/
Creating an Accessible Reading Experience
https://developer.apple.com/videos/play/wwdc2019/248/
Visual Design and Accessibility
https://developer.apple.com/videos/play/wwdc2019/244/
Writing Great Accessibility Labels
https://developer.apple.com/videos/play/wwdc2019/254/
Making Apps More Accessible With Custom Actions
https://developer.apple.com/videos/play/wwdc2019/250/
Large Content Viewer – Ensuring Readability for Everyone
https://developer.apple.com/videos/play/wwdc2019/261/
WWDC 2018
Deliver an Exceptional Accessibility Experience
https://developer.apple.com/videos/play/wwdc2018/230/
VoiceOver: App Testing Beyond The Visuals
https://developer.apple.com/videos/play/wwdc2018/226
Accessibility Drag and Drop
https://developer.apple.com/videos/play/wwdc2018/241/
AVSpeechSynthesizer: Making iOS Talk
https://developer.apple.com/videos/play/wwdc2018/236/
WWDC 2017
What’s new in Accessibility
https://developer.apple.com/videos/play/wwdc2017/215/
Convenience for You is Independence for Me
https://developer.apple.com/videos/play/wwdc2017/110/
Media and Gaming Accessibility
https://developer.apple.com/videos/play/wwdc2017/217/
Design for Everyone
https://developer.apple.com/videos/play/wwdc2017/806
Building Apps with Dynamic Type
https://developer.apple.com/videos/play/wwdc2017/245
WWDC 2016
Disability and Innovation: The Universal Benefits of Accessible Design
https://developer.apple.com/videos/play/wwdc2016/104/
What’s New in Accessibility
https://developer.apple.com/videos/play/wwdc2016/202/
Auditing Your Apps for Accessibility
https://developer.apple.com/videos/play/wwdc2016/407/
WWDC 2013
Preparing and Presenting Media for Accessibility
https://developer.apple.com/videos/play/wwdc2013/608/
WWDC 2012
Improving Accessibility in Books
https://developer.apple.com/videos/play/wwdc2012/518/