Jeroen Leenarts, creator of @iosconf.

Apeldoorn, Nederland
Joined August 2013
AppForce1 retweeted
AppForce1 wanted a global mute button on a Stream Deck+. AppForce1 (@AppForce1): “I had a few issues setting things up, but with some support from Martijn things were quickly ironed out.” Try MuteDeck on your Stream Deck+.
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AppForce1 retweeted
The premier iOS developer conference in the Netherlands is back! 🇳🇱📱 Whether you’re deep into advanced SwiftUI architectures, performance tuning, or navigating the latest Apple frameworks, staying ahead requires more than just documentation—it takes community. That’s why Do iOS is built by developers, for developers. Join us on November 11–12 at the iconic NEMO Science Museum in Amsterdam for two packed days of: ✨️ Expert talks on cutting-edge iOS engineering 🤝 Incredible networking with fellow engineers, leads, and independents from across Europe 💡 Practical takeaways you can apply directly to your codebase the very next week Tickets are moving fast, and you won’t want to miss the lineup we’ve put together this year. 👉️ Secure your spot and check out the schedule today: do-ios.com
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AppForce1 retweeted
Less than 30 days till Do iOS. :) Still room for an additional sponsor. Tickets are moving along icely as well. Looking forward to meet you all in Amsterdam. Get your ticket while they last! do-ios.com
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AppForce1 retweeted
Do iOS is back. 📍 Amsterdam · Nov 10–12, 2026 Workshop day + 2 days of talks at NEMO Science Museum. 🎤 CFP open until Aug 16 🎟 Tickets on sale now do-ios.com
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Come here me speak about "Engineering Accessibility: Practical, Maintainable, Testable" at @pragmamarkorg (Pragma Conf) and @iOSConf (Do iOS) this fall! Details and links for tickets below 👇 #iOS #Accessibility #A11y #pragmaconference #doios
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The only problem with the workshop day at @iOSConf is that we can only choose one! I want to see them all! 🤩
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AppForce1 retweeted
Proud to bring Pol back to the conference where his public speaking journey started. Hi @polpielladev, so happy to have you speaking again. :) More info on do-ios.com
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"Most satisfying fix of the week: a mysterious moving volume slider bug." Shared my journey refactoring an audio engine and managing background tasks in iOS. Sometimes the best code is the code you don't write. Listen to the full story now. #SwiftDev buzzsprout.com/1414396/episo…
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Hey, let's just dump many things in UserDefaults... What could possibly go wrong... 🪲🪳🕷️🐛🐝🦟🪰 Where are all these strange random very infrequent hard to reproduce bugs suddenly coming from?
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AppForce1 retweeted
After migrating 20+ packages for RocketSim, Antoine is back to share his experiences of adopting Strict Concurrency. by Antoine van der Lee @twannl Do iOS, Amsterdam, November 12 & 13. do-ios.com
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