The best WWDC videos about interface design
2014
Prototyping: Fake It Till You Make It
Prototyping methods which any designer could use to improve their interaction design.
2015
Introducing the New System Fonts
This talks covers some typography principles that will help you to judge and choose sans-serif typefaces.
Designing Glyphs
A good introduction to the design and choice of symbols/icons.
2017
How to Pick a Custom Font
Covers what you should consider about the functionality and style of typefaces, and gives useful pairing suggestions.
Love at First Launch
A few principles that will help to make your software make a better impression on first time users.
Essential Design Principles
Covers the broad principles that affect whether software is well designed.
2018
Introducing Dark Mode
Explains the principles behind macOS’ dark mode, which are good general rules.
The Qualities of Great Design
More abstract than some of the other videos here, but this video explores what “quality” is in design.
Designing Fluid Interfaces
Important principles of interaction design, especially on touch screens.
The Life of a Button
Deep dive on the details of interaction design that go into a well-designed button.
Creating Great AR Experiences
An introduction to the principles of augmented reality that lead to good interactions.
2019
Introducing SF Symbols
Yes, it’s a tour of Apple’s symbol library, but the start of the video covers some important things to know about interface icon use.
Designing Award Winning Apps and Games
The qualities of Apple Design Award-winning apps are broken down, with examples.
2020
The details of UI typography
A deep dive into some technical details of typefaces, and how to use them in interfaces.
Design great widgets
The ideas here apply to any customisable, information-rich interface, like a dashboard.
SF Symbols 2
Covers some of the same information as the previous SF Symbols video, but this one is shorter.
2021
Discoverable design
Principles you can use to make features of software more discoverable.
2022
Create a great video playback experience
Covers broad interaction design topics, and talks about some interesting new video interaction patterns.
Qualities of great AR experiences
A good quick overview of the principles to keep in mind if you design augmented reality experiences. This is a shorter video than the one from 2018, so is probably a better introduction.
Explore navigation design for iOS
Covers some fundamental principles of navigation that are iOS-specific, but probably generally useful for mobile navigation as a whole.
Meet the expanded San Francisco font family
It’s not just about Apple’s typeface. It includes helpful things to know about choosing ANY typeface family/pairing.
(Using different type widths for geographical hierarchy in Apple Maps is 🤯)
What’s new in SF Symbols 4
An even more modern video that covers some good principles to keep in mind when designing icons. Especially more complicated/multi-colour ones.
Writing for interfaces
Good general advice about writing copy throughout software.
2023
Make features discoverable with TipKit
You can ignore the code samples and still learn some useful ways to think about interface tips/tutorial messages.
Design and build apps for watchOS 10
This is a good overview if you want to design for the Apple Watch, but it’s also got some general principles to keep in mind for small screen design.
Design dynamic Live Activities
Good general principles for any changing design that needs to fit into a small space. Also gives some insight into the design of the Dynamic Island.
Design for spatial input
How to approach input in a spatial interface like visionOS. But some of these principles will help when you think about input in a regular 2D interface as well.
Design for spatial user interfaces
Covers visual design principles for visionOS interfaces, but also covers general principles about depth, glass effects, visual hierarchy, etc.
Meet watchOS 10
Covers a couple of new patterns and design principles for watchOS that will be useful on other devices as well.
Animate with springs
Covers some important fundamental principles of good animation design.