Thomas Bartelmess

137 Followers
355 Following
184 Posts
CoreData @ Apple
🇩🇪🇨🇦🇨🇱🇺🇸
Location/System/Library/Frameworks/CoreData.framework
Location/usr/lib/libsqlite3.dylib
Location/System/Library/Frameworks/SwiftData.framework

We’re hiring compiler and tools engineers to push the boundaries of static analysis and language design. If you’re passionate about security, memory safety and working on tools that eliminate entire classes of bugs, come build breakthroughs in software security with us!

https://jobs.apple.com/en-us/details/200642941-0836/compiler-security-engineer-c-c?team=SFTWR

https://jobs.apple.com/en-us/details/200641781-3337/security-developer-tools-engineer-static-analysis?team=SFTWR

Compiler Security Engineer - C/C++ - Jobs - Careers at Apple

Apply for a Compiler Security Engineer - C/C++ job at Apple. Read about the role and find out if it’s right for you.

Swift isn't just for client apps: when @elytra moved from Node to Swift for their server code, they benefited from better performance and a unified codebase. More here: https://elytra.app/blog/2025/10/01/swift-new-era-for-elytra/
Now for the new exciting part of the new devices: https://security.apple.com/blog/memory-integrity-enforcement/
Memory Integrity Enforcement: A complete vision for memory safety in Apple devices - Apple Security Research

Memory Integrity Enforcement (MIE) is the culmination of an unprecedented design and engineering effort spanning half a decade that combines the unique strengths of Apple silicon hardware with our advanced operating system security to provide industry-first, always-on memory safety protection across our devices — without compromising our best-in-class device performance. We believe Memory Integrity Enforcement represents the most significant upgrade to memory safety in the history of consumer operating systems.

Memory Integrity Enforcement: A complete vision for memory safety in Apple devices - Apple Security Research

It's not hard to file a plethora of feedbacks and make them actionable. highly recommend skimming this site that gives some helpful tips around what makes bug reports useful.

https://developer.apple.com/bug-reporting/

Bug Reporting - Apple Developer

Now with Feedback Assistant available on iPhone, iPad, Mac, and the web, it’s easier to submit effective bug reports and request enhancements to APIs and tools.

Apple Developer
There are some fresh SQLite bits in Beta 2 of Apples OS’s.

WWDC Session video for Track workouts with HealthKit on iOS and iPadOS is live! https://developer.apple.com/videos/play/wwdc2025/322

#HealthKit #wwdc25

Track workouts with HealthKit on iOS and iPadOS - WWDC25 - Videos - Apple Developer

Learn best practices for building a great workout experience for iOS. Review the life cycle of a workout session, explore the differences...

Apple Developer
Getting a chance to be part of the Platform State of the Union at #WWDC25 for #Apple was a huge honor and so much fun!!! And even better was spending the rest of the day chatting with so many brilliant and enthusiastic developers! 🤩
SpeechAnalyzer is a lightweight Swift API, powered by SpeechTranscriber, an on-device speech-to-text model designed for many use cases. It’s already powering transcription in Notes and other apps. Give it a try and send us feedback! Can’t wait to see what you build.
Model subclassing in Swift Data! 🤯 #WWDC25