The best WWDC videos about interaction and visual design
Prototyping: Fake It Till You Make It
Prototyping methods, which any designer could use to improve their interaction design.
Introducing the New System Fonts
This talks covers some typography principles that will help you to judge and choose sans-serif typefaces.
A good introduction to the design and choice of symbols/icons.
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.
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.
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.
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.
Principles you can use to make features of software more discoverable.
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.