Captain SwiftUI
Danny BolellaThe Captain’s Blog on Swift, SwiftUI, and Apple Development
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 38 | Subscribers | Read | captainswiftui.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
Objectively Better, Observably Trickier
Let’s be honest: the Observation Framework and `@Observable` macro isn’t brand new. It has been navigating our waters for a few years now, offering a concurrency-safe upgrade to the older, more mysterious `ObservableObject`. But while many ...
Emptiness in SwiftUI
Did you know that zero had to be “invented”? For many ancient civilizations, numbers were exclusively for tangible things. There was no need to count nothing. Eventually, scholars recognized that “nothing” isn’t just an absence—it’s a value...
Playing with Sheet (on iOS)
There’s been ongoing—yet significant—evolution in how sheets and modals are used. The era of full-screen takeovers and heavy modals has been fading, replaced by lightweight, flexible, and fluid overlays that feel right at home in the new Li...
The Northern Stars of Liquid Glass
With the release of [your platform here]OS 26, Liquid Glass is officially here. And with it comes a new era under Apple’s new design system. It’s been a fun summer exploring LG alongside the community — especially as each beta changed this,...
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Authors
The writers behind this newsletter.
Ahoy there! This is your Captain speaking: My name is Danny Bolella and I’m a Lead iOS Engineer. Come join the crew as we journey through my ideas, thoughts, and discoveries on Swift, SwiftUI, and Apple development! Opinions are my own.
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