Ivan Smirnov 🇺🇦 @ivan_ios_dev
iOS infra engineer @ Delivery Hero, opinions are my own Berlin, Germany Joined February 2020-
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See how @BalestraPatrick and his team migrated the @Spotify iOS app with @bazelbuild & @buildbuddy_io, cutting our build times by up to 4X. 🤯 engineering.atspotify.com/2023/10/switch…
Xcode 15 has a huge performance regression (at least on CircleCI): running fewer tests takes almost twice as long, even with the M1 vs Intel advantage: discuss.circleci.com/t/severe-perfo…
This finally shipped and I am so, so happy! The Swift homepage now includes fantastic getting started pages teaching real-world development with SwiftUI, command line, web tools, and more – such a welcome step forward 🎉 I’m so grateful to the team who helped make this happen 🙇♂️
This finally shipped and I am so, so happy! The Swift homepage now includes fantastic getting started pages teaching real-world development with SwiftUI, command line, web tools, and more – such a welcome step forward 🎉 I’m so grateful to the team who helped make this happen 🙇♂️
XCBeautify now includes an output format option specifically designed for @github Actions. @CharlesP000, along with the valuable input from @_eliperkins, introduced the concept of a renderer and successfully implemented the GitHub Actions renderer. This new feature utilizes…
Generate UML class diagrams from #Swift source code in #Xcode and easily modify it with @plantUml blog.eidinger.info/swiftplantuml-…
NEW POST At Thoughtworks, we are strong practitioners of Test Driven Development (TDD). Naturally this leads to the question of how generative AI can help with this technique. Paul Sobocinski writes a brief memo on using TDD with GitHub Copilot martinfowler.com/articles/explo…
There are a lot of steps involved in preparing an iOS project for remote push notifications. I thought it would be nice to have everything summarized in one place, so I just published a blog post that describes all the necessary setup: nilcoalescing.com/blog/RemotePus…
The famed Stanford Smallville is officially open-source! 25 AI agents inhabit a digital Westworld, unaware that they are living in a simulation. They go to work, gossip, organize socials, make new friends, and even fall in love. Each has unique personality and backstory.…
I've been using MidJourney to create my app icons… Here's the prompts I use 👇 (Bookmark this thread)
Pro tip if you‘re flying out of Berlin — always book a time slot for security check. It‘s free, can be done online 72h to 1h before departure, and lets you skim through the security check within less than two minutes and no line at all. ber.berlin-airport.de/en/cafes-shops…
Designed this little promo video of my logo using ControlNet v1.1, here's how 👇 (spoiler: it's easy)
Exciting updates to #stablediffusion with Core ML! - 6-bit weight compression that yields just under 1 GB - Up to 30% improved Neural Engine performance - New benchmarks on iPhone, iPad and Macs - Multilingual system text encoder support - ControlNet github.com/apple/ml-stabl… 🧵
These clips are two of the best pieces of writing advice you will ever get about writing on the internet. I promise. It is so good we show it to our newsletter students. 1st: Most of us should write to help ourselves think.
This is an awesome post demonstrating the evolution of a large parser, traits of modern parsers, and how they're implemented today. If you know parsers, this is a great real world experience report. If you don't, there's a ton of educational value here. railsatscale.com//2023-06-12-re…
Ready to supercharge your Xcode builds with a powerful virtualization solution? Check out Tart by @cirrus_labs. This tool leverages Apple's Virtualization framework and seamlessly integrates with OCI-compliant registries. Get started now at tart.run.
One thing Apple has completely nailed this year is getting all the “need to know” things in one place. This makes dub dub so much easier to digest. There’s even a change log for UIKit now: developer.apple.com/documentation/…
I'm also pleased to announce I'll be updating the 100 Days of SwiftUI for iOS 17 once the final version has shipped. This will move everything over to the latest Swift and SwiftUI, including SwiftData, and will continue to be free for everyone 🙌
I’ve got the biggest #WWDC23 drop APPLE DESIGN KITS FOR FIGMAAAAAAA figma.com/community/file… LET’S GOOOOOOOOOOOOO @figma
The new Swift macros are 🔥 stuff! Macros enable you to write code that generates code from your code.

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