Steven Hepting @stevenhepting
I get excited about lithography technologies, networking protocols, and design patterns. ✞. iOS at Airbnb. https://t.co/ttMELLGKm4 stevenhepting.com San Francisco Joined September 2010-
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Steven Hepting retweeted
i did not know cursor could bruh me back
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Steven Hepting retweeted
@signalapp @1Password @SlackHQ @googlechrome The attack: override JavaScript builtins in v8_context_snapshot.bin. When apps use these builtins during normal operation, malicious code executes. Code integrity checks miss this, since snapshots are not considered executable. blog.trailofbits.com/2025/09/03/sub…
Steven Hepting retweeted
We built local backdoors for @signalapp, @1Password, @SlackHQ, and @googlechrome using a “data” file their integrity checks ignored.
Steven Hepting retweeted
All SwiftUI codebases should have a view modifier like this. gist.github.com/simonbs/5c3716…
Steven Hepting retweeted
After seeing what @steipete and @indragie recently build, I really wanted to jump on the hype train as well 😄 Kinda wanted a nicer Console.app, so that's what I did.
Steven Hepting retweeted
Biggest professional regret for me this year was betting on Xcode AI team to deliver Cursor-like experience but in Xcode
Steven Hepting retweeted
Writing Swift for tiny devices: an article on Playdate game Four Corners, recently rewritten in Swift for faster performance news.play.date/news/four-corn… TL;DR "Any game that is particularly demanding that you would typically want to write in C could probably be achieved with Swift."
Steven Hepting retweeted
Warp has been cooking lately (I use it as my terminal but still default to Claude Code for dev) Warp Code has coding agent, lightweight editor + code revenuew, slash commands and more (WARP.md is optional & can use CLAUDE, AGENTS, Cursor rules too)
Steven Hepting retweeted
Introducing ChromaSwift - in beta! Build search and retrieval into your iOS apps - Includes on-device persistence - Packaged with on-device MLX embedding inference github.com/chroma-core/ch…
Steven Hepting retweeted
The new backgroundExtensionEffect() SwiftUI modifier in iOS 26 lets us extend and blur visual content beyond a view’s bounds, creating continuous backgrounds behind elements like sidebars, inspectors, and overlay controls: nilcoalescing.com/blog/Backgroun…
Steven Hepting retweeted
What if we could use * to fix typos in place?
Steven Hepting retweeted
Bonus-bonus fun fact: DesignLibrary.framework/Info.plist has a copyright date of 2024, which may or may not be roughly indicative of when it started out being a thing. StopwatchSupport.framework has no copyright date in its Info.plist, but its Cadenza.bundle (UI sound feedback…
Steven Hepting retweeted
Bonus fun fact: This concept may have started out on visionOS. The "design library" for visionOS is StopwatchSupport.framework. Much like DesignLibrary.framework in 26, it also contains a bunch of design-related code for the visionOS visual style specifically, + some extra…
Steven Hepting retweeted
I already had the feeling something like this was going on much earlier, but I stopped thinking about it when I saw the UIKit hierarchy with no mentions of SwiftUI. After looking at it again now, looks like there was something to it after all. DesignLibrary.framework is: -…
Steven Hepting retweeted
🧵 Some surprising technical details about Liquid Glass (Solarium) and its direct ties to SwiftUI: A pure AppKit app using Toggle Switches and Sliders get the nicer-looking controls because their contents are just straight up directly hosted through SwiftUI using…
Steven Hepting retweeted
Build a stretchy image header in SwiftUI using the visualEffect() modifier, scaling the image on pull-down without tracking scroll offset or modifying its frame: nilcoalescing.com/blog/StretchyH…
Steven Hepting retweeted
i keep track of my weight-lifting PRs in GitHub. so i have to make a PR for my PRs
Steven Hepting retweeted
i've actually investigated further and while it IS reproducible on iOS 7, it is NOT on iOS 4 do what you want with this info
i've actually investigated further and while it IS reproducible on iOS 7, it is NOT on iOS 4 do what you want with this info https://t.co/5hTTrapdsk
Steven Hepting retweeted
Setting 𝚄𝚅𝚂𝚑𝚘𝚠𝙿𝚛𝚎𝚟𝚒𝚎𝚠𝚂𝚝𝚊𝚝𝚞𝚜𝙳𝚎𝚋𝚞𝚐𝚆𝚒𝚗𝚍𝚘𝚠 to 𝚝𝚛𝚞𝚎 in Xcode 26 provides this curious debug panel for SwiftUI previews.
Steven Hepting retweeted
Introducing AI Key, a small device that lets AI control your entire phone. just plug it in and ask it to complete a task. pre-order now.
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