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.
Image Playground API: SwiftUI Sheet, Programmatic Image Creator, And Style Control
Image Playground gives apps two paths: the SwiftUI imagePlaygroundSheet modifier and the programmatic ImageCreator API for generating images from concepts.
AI & TechnologyMetal 4 Essentials: What The New Core API Actually Changes
Metal 4 ships parallel MTL4-prefixed types alongside Metal in iOS 26. Multi-threaded command encoding, unified compute, and ML as a first-class GPU pass.
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 & TechnologyFoundation Models Custom Adapters: When To Train One
iOS 26 Foundation Models custom adapters train LoRA weights, export .fmadapter packages, ship via Background Assets, and require Apple's entitlement.
AI & TechnologyApple 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 & TechnologyApp Intents 2.0 in iOS 26: Visual Intelligence and Snippets
iOS 26 expanded App Intents with IntentValueQuery for Visual Intelligence, @DeferredProperty for async values, interactive snippets, entity view annotations.
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 & 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 & 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 & 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.