App Intents in iOS 27: Background, Sync, Spotlight
iOS 27 gives App Intents background execution past 30 seconds via LongRunningIntent, cross-device identity with SyncableEntity, and Spotlight reindexing.
AI & TechnologyWriting
Thoughts on design, development, AI infrastructure, and building products.
Metal for Machine Learning in 2026
WWDC26 made Metal a first-class ML compute surface: Metal tensors for custom kernels, the M5 neural accelerator, real-time neural rendering, and MLX Swift.
AI & TechnologyAccessibility in iOS 27: Reading Apps & Custom Controls
iOS 27 accessibility for reading apps and custom controls: text navigation linking, causesPageTurn, UITextInput, the adjustable trait, and direct touch.
AI & TechnologySwiftUI Performance and Interop in iOS 27
How iOS 27 SwiftUI handles lazy-stack scrolling, GPU shader effects, and AppKit/UIKit interop, drawn from three official WWDC26 UI Frameworks sessions.
AI & TechnologyWhat's New in Swift (2026): The WWDC26 Update
Swift 6.3 and 6.4 from WWDC26: anyAppleOS availability, module selectors, borrow/mutate accessors, the Iterable protocol, Swift Testing interop, and MLX.
AI & TechnologyHealthKit in iOS 27: Workout Zones, New Types
iOS 27 makes workout heart-rate zones first-class HealthKit data via HKWorkoutZoneConfiguration and HKWorkoutZoneGroup, plus new menopausalState types.
AI & TechnologyWhat's New in visionOS 27 for Spatial Devs
visionOS 27 adds Spatial Preview from the Mac, Foveated Streaming from a PC, immersive Safari environments, metric-space object tracking, and RealityKit.
AI & TechnologyEvaluations: XCTest for Model Quality (iOS 27)
Apple's Evaluations framework (iOS 27, all platforms) measures AI feature quality in Swift: Evaluator, ScoreDimension, Metric, ToolCallEvaluator, and a Swift Testing trait.
AI & TechnologyOn-Device AI Across iOS 27: Spotlight and Media
iOS 27 threads the on-device model through the system: SpotlightSearchTool makes Core Spotlight LLM-grounded, and AVFoundation generates subtitles on device.
AI & TechnologyYour Agent Has Two Untrusted Inputs
AI agents have two untrusted inputs: code the model writes and tool output it reads. One now has a real WASM sandbox; the other, MCP tool poisoning, does not.
AI & TechnologyApple Foundation Models: The On-Device LLM Framework, Explained
Apple's Foundation Models framework: LanguageModelSession, @Generable guided generation, tool calling, availability, and when to leave the on-device model.
AI & TechnologyEngineering Philosophy: Fei-Fei Li, Data Is the Foundation
Fei-Fei Li gave AI its eyes by building ImageNet -- betting that data at scale, not a cleverer model, was the missing ingredient, and that AI must stay human-centered.
Engineering & CraftExternal 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.
