Genmoji and NSAdaptiveImageGlyph: Inline Emoji on iOS 18+
Genmoji ships as NSAdaptiveImageGlyph in attributed text. Apps using UITextView with TextKit 2 enable supportsAdaptiveImageGlyph and handle serialization.
AI & TechnologyWriting
Thoughts on design, development, AI infrastructure, and building products.
Apple Silicon TBDR: What App Developers Actually Get
Apple silicon GPUs use tile-based deferred rendering. Imageblocks, tile shaders, raster order groups, and A11+ enhancements that change Metal app design.
AI & TechnologyFoundation Models Use Cases: General vs Content Tagging
iOS 26 Foundation Models has .general and .contentTagging use cases. Use Apple's rules to decide when prompting beats specialization.
AI & Technology@Observable Internals: The Macro, The Registrar, And What ObservableObject Got Wrong
@Observable replaces ObservableObject's broadcast model with per-property access tracking. The macro expansion, the registrar, and the migration trap.
AI & TechnologyHealthKit Workout Lifecycle: HKWorkoutSession States And The iOS 26 Cross-Platform Surface
watchOS workout sessions move through a six-state lifecycle. iOS 26 brought HKWorkoutSession to iPhone. The state machine, the live builder, and the delegate.
AI & TechnologySwiftUI Layout Protocol: Building Custom Layouts From sizeThatFits To placeSubviews
iOS 16's Layout protocol lets apps build custom layouts with two methods. sizeThatFits, placeSubviews, the proposal contract, layout values, and caching.
AI & TechnologyAVFoundation HDR And Apple Log: Pro Video Workflows On iPhone
iPhone 15 Pro+ records Apple Log alongside HEVC and ProRes. AVFoundation exposes HDR (HLG, HDR10, Dolby Vision) and Apple Log through AVCaptureDevice.
AI & TechnologyCustom SF Symbols: The Variable Template And The Three Required Sources
SF Symbols creates 27 variations from three source designs. The variable template, compatible-data path requirements, rendering modes, and the Xcode handoff.
AI & TechnologyClaude Code to Codex Migration Guide 2026
Claude Code to Codex migration guide: move AGENTS.md, skills, hooks, profiles, MCP, public-writing gates, and verified CLI notes from real local data.
AI & TechnologyWriting Tools API: How Apps Plug Into Apple Intelligence's Writing Layer
iOS 18 introduced Writing Tools. iOS 26 makes adoption a single property for standard text views, and a designed coordinator API for custom text engines.
AI & TechnologyApple's New Speech Framework: SpeechAnalyzer vs SFSpeechRecognizer
iOS 26 introduces SpeechAnalyzer with SpeechTranscriber + SpeechDetector modules, an on-device replacement for SFSpeechRecognizer. When to migrate.
AI & TechnologyAccessibility As Platform: Personal Voice, Live Speech, Eye Tracking, Music Haptics
Personal Voice, Live Speech, Eye Tracking, Music Haptics, Vocal Shortcuts: accessibility as platform features, not app responsibilities.
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.
