Seb Jachec

@sebj
329 Followers
463 Following
1.6K Posts

Mobile engineer at Daybridge, previously Dyson

#iOSDev #SwiftUI #F1 #Photography

Blueskyhttps://bsky.app/profile/sebj.me
Daybridge Calendarhttps://apps.apple.com/app/id1588737373
HomeSouth West England

Every morning they give me a new, even bigger stack of expressions to type check... but I figured out a way to partially automate my job.

https://forums.swift.org/t/recent-improvements-to-the-type-checker/87048

Recent improvements to the type checker

With the Swift 6.4 release converging, I thought it would be a good time to detail some of the type checker performance improvements we worked on since I shared the type checker performance roadmap last year. I'm also going to outline a couple of things we plan on looking at next. Swift 6.4 The disjunction selection and favoring algorithms in Swift 6.3 allowed us to phase out some older, less principled performance optimizations. The work in Swift 6.4 can be seen as a continuation of this tren...

Swift Forums

We're excited to announce that after 18-months of development, Halide Mark III is now available!

https://www.lux.camera/halide-mark-iii/

Halide Mark III

We are excited to launch Halide Mark III a massive upgrade to our groundbreaking camera app. We developed Mark III with three goals. 1. The most beautiful photos that can come from an iPhone. 2. "Batteries Included." You don't need to download any other app. 3. A streamlined user experience

Lux — iPhone camera apps, camera reviews and more

Now you can keep track of how many billions the AI companies are losing on AI. (Red is spending, green is revenue.) https://isaiprofitable.com/

#MachineSociety

Introducing Indigo

A beautiful new app for Bluesky and Mastodon and the best way to experience both social networks together. It’s tough keeping up with everyone you care about when they’re split across different networks but Indigo brings them together for a seamless social experience.

https://apps.apple.com/us/app/indigo-for-bluesky-mastodon/id6763755310

Adobe Has Run Out of Allies | PetaPixel
https://petapixel.com/2026/04/18/adobe-has-run-out-of-allies/

Disclosure: Former ally.

Adobe Has Run Out of Allies

Shifting priorities and a move to appeal to B2B has left Adobe alone. Now as enemies gather at its gates, it has run out of allies.

PetaPixel

how am I a week late to this absolute masterpiece of a set????

Fred again.. & Thomas Bangalter (USB002, Alexandra Palace, London 27 February 2026) https://www.youtube.com/watch?v=gfF8jzBVWvM

Fred again.. & Thomas Bangalter (USB002, Alexandra Palace, London 27 February 2026)

YouTube

Helm 2.2 is here, and it's our biggest update yet!

🛒 Full in-app purchase and subscription management, right inside Helm.

💰 Smart pricing tools: PPP, percentage adjustments, and automatic translations across territories.

📋 Reuse metadata from your other products with just a tap, without starting from scratch.

And there's a whole lot more! We've put so much work into this and can't wait to hear what you think. Keep the feedback coming!

https://helm-app.com/changelog/helm-2-2-in-app-purchases

Helm for App Store Connect

An easy-to-use iOS and macOS app that enhances App Store Connect, making app updates, localization, and ASO easier with AI-powered tools.

Helm for App Store Connect
Lil Finder Guy is back on Apple's TikTok!

New blog post: Small ways the App Store could be improved for developers

Setting aside major policy controversies, the App Store has a large number of minor issues almost 18 years after opening that Apple could fix to make life easier for developers but has neglected to fix.

https://lapcatsoftware.com/articles/2026/3/13.html

Small ways the App Store could be improved for developers

Looks like Apple broke #CloudKit sync in OS 26.4. Remote notifications don’t seem to arrive, so no updates unless the app is relaunched. https://developer.apple.com/forums/thread/820550
iCloud Sync not working with iPhon… | Apple Developer Forums