Dave McCollough
@davemccollough.com
Indie Builder | AI, Cloud & Security | Hiker, Biker, Climber Denver CO I don’t always blog, but when I do it’s at davemccollough.com
New York turn up! I'm really excited to hang out with @expo.dev and Chime, talkin' mobile apps and AI. HMU if you're planning to go.
Are you based in NYC, well, you should join us on Sept 24 for a joint @expo.dev x @infinite.red x Chime meet up. Register here: luma.com/fegsycpl?tk=...
Ever had production crashes that didn't show up in your analytics? They're silent coroutine scope leaks, unhandled structured concurrency failures, and swallowed exceptions that bypass your logging entirely. Join me at KTConf for a pre-conference workshop to learn how to do coroutine forensics.
We recorded a special episode of Android Developers Backstage to celebrate 5 years of Compose! youtu.be/HEqXwUm6vd0?...
The inside story of Jetpack Compose
YouTube video by Android Developers
youtu.be
Chicago Kotlin User Group finally has its first event of the year! Join us at PACH for a beginner-friendly Kotlin Multiplatform & BLE workshop guided by Kartik Prakash! Bring a laptop, pair up, & build with IoT. When: July 30th Time: 5:30pm-8:00pm www.eventbrite.com/e/ckug-x-ctl...
57 years ago today, humans first landed on the Moon. The source code that helped get them there? It’s on GitHub. Margaret Hamilton led the MIT team responsible for Apollo’s onboard flight software. (Image credit: Draper Laboratory; restoration by Adam Cuerden, via Wikimedia Commons.)
Thanks for coming to my talk! AI needs Android developers to solve the performance problems they have today with the resources currently available. We don't have to wait until it's launched into space to resolve the current resource crisis we have today. speakerdeck.com/amanda_hinch...
[Droidcon Orlando '26] The Android Lens: Applying Mobile Forensics to AI Performance
Modern LLMs like Ollama are technically ground-breaking but suffer from significant thermal and energy inefficiencies on resource-constrained hardware. …
speakerdeck.com
I just posted a short guide on how to split up PRs by the file. Hope you find it as helpful as I did! medium.com/coding-kinet...
How to Split Apart a Larger PR into Smaller Ones with Git
The surgical method: Splitting PRs by file names
medium.com
Chain React is back! Want to give a talk, but don't know where to start. Start here! Submit your idea or even post in our community slack for more help.
Our CFP is OPEN 🔥 Chain React 2026 needs speakers who can level up 500+ React Native devs in Portland this July! All you need is a title and a strong idea. It takes 10 minutes to submit. Deadline: March 18. We want to hear from you. 🎤 sessionize.com/chain-react-...
16+ free hours of training from Apple on the basics of Xcode, SwiftUI, and UIKit developer.apple.com/tutorials/ap...
Develop apps for Apple platforms | Apple Developer Documentation
Learn the basics of Xcode, SwiftUI, and UIKit to create compelling apps.
developer.apple.com
The @swift.org team is demonstrating a level of consistency that makes me believe they really want to see the Swift programming language thrive outside of the Apple ecosystem.
Windows developers, you're invited! 🪟 We just launched a Windows workgroup to make Swift even better on Windows: improving the toolchain, core packages, API bridging, and deployment experiences. Curious? Interested in contributing? You're welcome here. 👉 swift.org/blog/announcing-windows-workgroup/
2025 was a standout year for Kotlin Multiplatform — now powering apps for millions worldwide. 📈 Adoption in top apps doubled YoY 🎨 81% of devs use Compose Multiplatform 🧰 Solid tooling on macOS, Windows & Linux ✅ Used in production at Google, Duolingo & Douyin Thread 🧵👇
tarting off the new year by registering for a little 40 mile mountain bike race with 6,800′ of elevation gain.
Always good to hear from @tdesseyn.bsky.social about the hiring landscape. Don’t miss it!
🖤❤️ RNR 349 ❤️🖤 Fan-favorite Taylor Desseyn (@tdesseyn.bsky.social) returns to break down the 2025 React Native job market!! @mazenchami.dev + @robinheinze.dev talk with Taylor about what skills matter and why community is more important than ever. Don’t miss it 👇 infinite.red/react-native...
🎄 Day 11 of the React Native Advent Calendar! Behind today’s door: DevTools 🧑💻 Did you know about these tools to debug your React Native app? Open the door 👇 galaxies.dev/calendar/20...
Day 11 - Advent Calendar 2025 - Galaxies.dev
Day 11 of the React Native Advent Calendar 2025. This content will unlock on December 11, 2025.
galaxies.dev
🎄 Day 1 of the React Native Advent Calendar! Behind today’s door: 5 Essential Features of Expo Router 🚀 If you’re building with @Expo.dev in 2025, these routing features will make every app a joy to work with 😍 Start here 👇 galaxies.dev/calendar/20...
My Black Friday book sale has started! All of my Swift and SwiftUI books are now 30% off! Find out more: books.nilcoalescing.com #iOSDev #SwiftUI #SwiftLang
🆕 This PR from @nishan.dev adds CSS grid support to react native 🙌 It's not possible to overstate how massive this is for all of us. Future generations will celebrate Nishan Bende Day 🐐 github.com/facebook/yog...
CSS Grid by intergalacticspacehighway · Pull Request #1865 · facebook/yoga
Why? CSS grid provides us more control to position children in a two-dimensional layout system. It works as a complimemtary system to Flexbox. Official spec for more details/usage. There are a few...
github.com
After a 2 year break I'm finally jumping on a livestream again! Catch me tomorrow and let's build a React Native Game together 🤝 Get notified when the stream starts 🤝 www.youtube.com/watch?v=eDc...
React Native Godot Games 👀
WATCH LIVE: https://www.twitch.tv/thesimongrimmLearn React Native FAST: https://galaxies.devIf you enjoyed the video don't forget to like, subscribe, & share...
youtube.com
Great video on how to get started building apps for Horizon OS with React Native and @expo.dev www.youtube.com/watch?v=24G2...
Getting started with Meta Horizon Development using Expo
YouTube video by Expo
youtube.com
Creating a "Recommended RN Libraries" video - what's your go-to stack and the essential React Native libraries you can't live without?
Anyone interested in a video about the new React Native IAP package? Looks solid to me, although I'm usually a big fan of using RevenueCat This is the package btw github.com/hyochan/rea...
GitHub - hyochan/react-native-iap: In App Purchase module for React Native that confirms OpenIAP
In App Purchase module for React Native that confirms OpenIAP - hyochan/react-native-iap
github.com
Want to integrate on-device AI features into your React Native apps? Good news! The talk that our very own @gantlaborde.com and @mazenchami.dev recently gave at @cascadiajs.com is now on YouTube! Don't miss it 👇
Did you know a phone could do that? 📱 @GantLaborde.com & @MazenChami.dev show us how to integrate on-device AI features into your React Native apps for real-time, offline intelligence. www.youtube.com/watch?v=e3t0... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺
ATTN Developers: your AI assistant just got smarter. The new 𝝠 Expo MCP Server connects it directly to your Expo project so it can learn your SDK, fetch docs, automate installs, and test your app visually. Available now for all EAS paid plans (SDK 54+). ✍️ @kudochien.dev: expo.dev/blog/become-...
Become an AI-native developer with the Expo MCP server
The Expo MCP Server preview connects your AI coding assistants to your Expo projects so they can access docs, automate workflows, and verify your app visually.
expo.dev