Stewart Lynch News
​2026 - 11

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​https://stewartlynch.kit.com/

WWDC26 is just around the corner.

This time of year is like Christmas for those of us in the Apple developer community. On June 8, we’ll finally get our first look at what’s coming in iOS 27, macOS 27, watchOS 27, tvOS 27, and visionOS 27.

Rumors suggest that Apple Intelligence and AI will be front and center. There is no question that the landscape has changed dramatically over the past year. Who would have thought that agentic coding would become such a significant force so quickly?

It’s certainly had an impact on me and my YouTube channel. A year ago, I was routinely gaining 400 to 500 new subscribers each month. Today, that number is often under 100, and views have declined noticeably depending on the topic. When people can ask AI to generate code, the way they learn and consume development content naturally changes.

That said, I have no plans to stop creating videos. The industry is evolving rapidly, and content creators need to evolve along with it.

As for WWDC26, I honestly don’t even have a wish list this year. It is what it is. I’m simply curious to see what Apple unveils and which new APIs, frameworks, and features emerge. Hopefully there will be enough new material to keep me engaged and provide plenty of topics for future videos and blog posts.

As usual, I’ll continue creating content focused on the current operating systems until August 1. That gives me roughly two months to explore the new features, experiment with the APIs, and wait for the betas to mature. By then, they should be stable enough for me to start producing content that will help you hit the ground running when the new operating systems are finally released.

Videos

Two new videos are now live, and they pair together better than you might expect.

The first is Basics of Markdown for Swift Developers. Markdown is something you're probably already using every single day without realising it. Every README on GitHub, every Swift documentation comment in Xcode, and every structured response you get back from an AI tool is Markdown. If you're building anything with AI right now, understanding Markdown is no longer optional. This video walks through all the core syntax, headings, lists, code blocks, tables, links, images, and more, alongside a look at some great Mac editors like Typora and Marked. It's probably the easiest skill you'll pick up this year, and one you'll use constantly.

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The second is Apple's Hidden AI. If you're running Apple Silicon with macOS 26 and have Apple Intelligence enabled, you already have access to Apple's Foundation Models right now. No API key, no subscription, no cloud. In this video, we explore Appful, an open source command line tool that unlocks those on-device models straight from Terminal. We cover all three modes (prompt, chat, and serve), walk through piping and system prompts, and then finish with a live agentic coding session using the free ChatGPT Codex to modify a real open source Mac app.

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Watch them in order if you can. Understanding Markdown will make your AI interactions sharper, and Appful gives you a free, private AI to practise with.

New on the Blog: Swift Initializers Part 1: Structs

Initializers are one of the most important parts of Swift, but they can also be one of the most misunderstood. In this first article of a new series, I take a deep dive into how initializers work in Swift structs.

You’ll learn about memberwise initializers, custom initializers, default property values, initializer overloading, and how Swift determines which initializers are available to you. I also explain common pitfalls that can catch developers by surprise when creating their own initializers.

Whether you’re new to Swift or looking to strengthen your understanding of object creation and data modeling, this article will help you build a solid foundation.

Read the full article here:

​https://www.createchsol.com/blog/2026-06-03-swift-initializers-part-1-structs.html​

I will be following up with a Part 2 as the next newsletter drops where we will cover the initialization of Swift classes.

Coming Up: Build Terminal Apps in Swift

Over the next couple of weeks I'm releasing a brand new two-part series, and it's a little different from what you might expect from a Swift developer. Thinks of this as a distraction from WWDC

We're going beyond iOS and building fully interactive terminal applications in pure Swift, using a framework called TUIKit that brings SwiftUI-style declarative syntax to the command line.

Part 1 — out this Sunday We start from scratch: installing TUIKit, setting up VS Code, and building a first interactive terminal app complete with buttons, text fields, keyboard shortcuts, and a custom colour theme. If you've never built a CLI tool in Swift before, this is the perfect place to start.

Part 2 — out the following week Things get more serious. We build DevToolkit, a multi-panel terminal app with a sidebar navigator containing three real developer tools: a configurable Pomodoro timer with persistent storage, a live Git status dashboard, and a per-project release tracker. We also bring in the Rainbow package for colourised output and finish by compiling and installing the app so it's available from anywhere in your terminal.

Both videos are already available to members early, so if you want to get ahead of the YouTube release, that link is below.

If you enjoy what I do and want to support my work, you can join my Ko-fi community and either make a one-time donation or become a monthly supporter for as little as $5/month. Monthly supporters get early access to my videos as soon as they’re uploaded to YouTube (as unlisted videos), sometimes up to a month before they’re made public. Monthly supporters also get priority responses to their questions, and I’m happy to help with coding challenges.

In addition to PayPal, Ko-fi now supports Stripe, which makes it easier to pay by credit card.
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My Other Stuff

Channel Listing App

A Searchable Mac app containing a list of all of my YouTube videos including the ability to watch them in the app and download starter and completed source code

Free on Gumroad

SymbolBrowser App

Browse Apple's complete SF Symbols library from your menu bar. Search, preview effects, customize colors, generate SwiftUI/UIKit/AppKit code, and copy symbols as images — all without leaving your workflow.
Available on Gumroad: (Pay what you want)

GitHub Directory Downloader for Mac

This simple app lets you download any specific directory from any GitHub repository—whether it's public or private. Just copy the folder URL, paste it into the app, and download exactly what you need. It remembers your download locations, keeps a history of what you've grabbed, and even supports branch selection. Perfect for developers who want quick access to starter projects, code examples, or specific folders without the hassle of cloning entire repositories.
Available on Gumroad: (Pay what you want)

Smile4Me Course

The course is now Free to download from: https://stewartlynch.github.io/Smile4Me-Course-Content/​

Affiliate Links

BigMountain Studio Books 

Mark Moeykens is a master at creating SwiftUI reference books. I have purchased every one of these books and refer to them all the time.

Use this link and we both will benefit

​https://www.bigmountainstudio.com/a/77jt8​