SwiftData Performance Is a Storage Problem
What the WWDC 2026 SwiftData lab taught about performance: WAL concurrency, fetchCount and fetchIdentifiers, the Sendable boundary, and the aggregate gap.
DevelopmentWriting
Thoughts on design, development, AI infrastructure, and building products.
Why Safari 27 Ships 525 Fixes: Notes From the WebKit Lab
The WWDC 2026 Safari lab on how WebKit decides what to build: 525 fixes, a module-loader rewrite for top-level await, :has(), appearance: base, and more.
Web DevelopmentApple's First-Party Answer to Prompt Injection
WWDC 2026: Apple cites the lethal trifecta, ships deterministic guardrail APIs in Foundation Models and App Intents, and moves PCC onto Google Cloud.
AI & TechnologyApple's Font Interpreter Is Now Swift, and 13% Faster
Apple's security team rewrote the TrueType hinting interpreter from C to memory-safe Swift, made it 13% faster, open-sourced it, and showed the techniques.
DevelopmentUIKit's Scene Mandate: What Fails to Launch on iOS 27
Apps built with the iOS 27 SDK must adopt the UIKit scene-based life cycle or they fail to launch. The timeline, the migration steps, and the agent skill.
DevelopmentContainer Machines: A Persistent Linux Environment on Mac
Apple's container tool hits 1.0 with container machine: a fast, persistent Linux environment on macOS with your user, home directory, and dotfiles mounted in.
DevelopmentImageCreator Is Deprecated: What Breaks in iOS 27
Apple is discontinuing Image Playground's ImageCreator class in iOS 27, with TestFlight runtime errors in beta and compile failures at public release.
DevelopmentXcode 27 Ships Agent Skills You Can Export Anywhere
Xcode 27 bundles two SwiftUI agent skills and a one-command exporter. xcrun agent skills export moves Apple's best practices into Claude Code or Codex.
AI & TechnologyApple Is Open-Sourcing the Foundation Models Framework
WWDC 2026: the Foundation Models framework goes open source this summer, so the same Swift API runs server-side, plus a new Skills package live on GitHub.
AI & TechnologyWhat Apple's Swift Team Said in the WWDC26 Lab
Apple's Swift Group Lab at WWDC26 ran without captions. We transcribed it locally. Candid engineer answers on concurrency, ~Sendable, and the roadmap.
AI & TechnologyWhat Apple's Performance Team Said in the WWDC26 Lab
Apple's Power & Performance team answered live developer questions at WWDC26. Field guidance on MetricKit, Power Profiler, thermals, and AI contention.
AI & TechnologyFoundation Models from Python: the fm CLI
macOS 27 ships the fm command line tool plus a Foundation Models SDK for Python, so you can script Apple's on-device model and build evaluation pipelines.
AI & TechnologyExternal Publications
Technical writing at Introl
Local LLM Hardware Pricing Guide 2025
Comprehensive hardware recommendations and cost analysis for running large language models locally.
H100 vs. H200 vs. B200: Choosing the Right NVIDIA GPUs for Your AI Workload
GPU selection guide comparing NVIDIA's latest datacenter accelerators for different AI workloads.
TPU Architecture: Complete Guide to Google's 7 Generations
Deep technical dive into Google's Tensor Processing Unit evolution from TPUv1 to TPUv5.
GPU Memory Pooling in Multi-Tenant Kubernetes
Resource sharing strategies for GPU clusters in containerized environments.
Ray Clusters: Distributed AI Computing Infrastructure
Guide to building and managing distributed AI computing with Ray framework.
DeepSeek V3 Open Source AI Cost Advantage
Analysis of open source LLM economics and DeepSeek's competitive positioning.
NVIDIA Vera Rubin GPU 600kW Racks 2027
Future datacenter power requirements and NVIDIA's next-generation GPU roadmap.
SMR Nuclear Power for AI Data Centers
Small modular reactor solutions for powering next-generation AI infrastructure.
DeepSeek MHC Architecture Breakthrough
Technical analysis of DeepSeek's Multi-Head Compression architecture innovations.