iiinova — where your digital self keeps evolving

Jeroen Leenarts @appforce1.net · 22/10/2025

Here's the deal. You share with me why you are the perfect candidate to receive a free ticket to Do iOS in November. On behalf of @Guardsquare we can allocate 2 tickets to the perfect candidates. Suggesting another person is also ok. DM, reply, email, any channel is ok.

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Jeroen Leenarts @appforce1.net · 03/10/2025

Big shoutout to @hedge.co. The first company to send a team of 5 or more colleagues to Do iOS! Who can top them? Like by sending your team to the workshops too maybe? Welcome Hedge. Make sure to talk to them at the conf. THeir products look super interesting.

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Jeroen Leenarts @appforce1.net · 22/09/2025

"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 www.buzzsprout.com/1414396/epis...

buzzsprout.com

AppForce1 Worklog: When Your Volume Slider Has a Mind of Its Own - AppForce1 Worklog

Make sure to let me know what you think of this episode.I completely refactored an audio system for a work app, splitting a single AVAudioEngine into separate engines for recording and playback. This ...

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Jeroen Leenarts @appforce1.net · 17/09/2025

After migrating 20+ packages for RocketSim, Antoine is back to share his experiences of adopting Strict Concurrency. by Antoine van der Lee @avanderlee.com Do iOS, Amsterdam, November 12 & 13. do-ios.com

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Jeroen Leenarts @appforce1.net · 07/05/2025

Something I wrote recently. :)

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Jeroen Leenarts @appforce1.net · 17/12/2024

Rebooting my podcast for 2025 again. Interested in being a guest? Please reach out.

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Reposted by Jeroen Leenarts

Seb ⚛️ ThisWeekInReact.com @sebastienlorber.com · 11/12/2024

This Week In React 213 Read/subscribe online: thisweekinreact.com/newsletter/213 ⚛️ - React 19 - Next.js - React Compiler - React Router - Restyle - Lingui 📱 - State of RN - Uniffi - Shared Objects - Fast IO - Sheet Transitions - Radon

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Jeroen Leenarts @appforce1.net · 02/12/2024

More videos online for Do iOS. :) Count is at 7 videos now. With talks by @felibe444.bsky.social @avanderlee.com @0xtim.bsky.social and others. Here's a list with all of them, subscribe on YT to get updated on the remaining 8 videos. www.youtube.com/playlist?lis...

youtube.com

Do iOS 2024 - YouTube

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Jeroen Leenarts @appforce1.net · 28/11/2024

Finally I was able to render a video. Had some fun using Magnetic AI in Final Cut Pro on @avanderlee.com's talk at Do iOS. From Side Project to Going Indie. www.youtube.com/watch?v=ixe1...

youtube.com

From Side Project to Going Indie

YouTube video by AppForce1

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Jeroen Leenarts @appforce1.net · 28/11/2024

Best part of onboarding a new team member: Fresh insights and new experience we can build upon. @stefanblos.com @theankurtyagi.bsky.social :)

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Jeroen Leenarts @appforce1.net · 27/11/2024

Ooh nice tip @stefanblos.com I got a custom domain here now as well. :D

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Jeroen Leenarts @appforce1.net · 26/11/2024

Having some fun with Final Cut pro.... But it does take ages to process. No worries @peterfriese.dev the lobster look is only during processing.

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Jeroen Leenarts @appforce1.net · 26/11/2024

The first video for Do iOS is rendering right now. Where should I upload these? Youtube right?

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Jeroen Leenarts @appforce1.net · 25/11/2024

Conference organizer life. Ticketing platform made their payments... Let's start paying some open invoices... starting with the biggest (venue). Payment made. "We detected unusual behavior on your account, while we investigate your account has been temporarily suspended."

media.tenor.com

Waiting Hmm GIF

ALT: Waiting Hmm GIF

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Jeroen Leenarts @appforce1.net · 23/11/2024

👍 Closing the books on the 2024 edition next week. Opening the books on 2025 edition in January.

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Jeroen Leenarts @appforce1.net · 19/11/2024

Do iOS went well last week. Waiting for the ticket settlement. Then close all open balances. 👍 Let’s do it again in 2025. 👍

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Jeroen Leenarts @appforce1.net · 21/08/2023

Meet Speedy, the harbinger of chaos. But he is very cute.

Pet dwarf hamster being fed while on the owner’s hand.

A Russian Dwarf hamster chilling out on the owner’s hand.

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Jeroen Leenarts @appforce1.net · 21/08/2023

Hello everyone, My name is Jeroen. I do something mostly related to iOS development. I automate my home carefully not to upset the acceptance factor with my family. I live in the Netherlands with 2 kids and my wife. And organize cocoaheads.nl and do-ios.com

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