My thoughts and experience on iOS development, Swift, SwiftUI, and mobile architecture
179 articles
Apple Foundation Models framework 2026: in-session model switching with Dynamic Profiles, custom provider integration via LanguageModel, multimodal prompting, and prompt evaluation.
A security-focused AI model decision guide: what OpenAI's Daybreak Blue/Red tiers cover, where general-purpose models (Claude, Gemini, GPT) are enough, explained with a sourced decision table.
A viral 'unfair Apple rejection' story was retracted days later. Here's the verified chronology, the real role of Guideline 4.3(b), and what it means for your own submissions.
Cross-platform choice for iOS developers in 2026: a decision framework comparing Flutter, React Native, Compose Multiplatform, Skip, and Capacitor by team size, budget, and exit cost.
Your Core Web Vitals score is green in Lighthouse but red in the field — why? Learn simulated throttling's limits and how to capture a real Chrome trace with 4x CPU + Slow 4G in DevTools.
I walk through Apple's App Store new creative asset formats for product pages, size rules, and the upload checklist, based on Apple's August 5, 2026 announcement and official docs.
Merge Anthropic's, OpenAI's, and MCP's official deprecation dates into a single model retirement migration map, and write resilient code with a fallback chain and version-pinning pattern.
Multi-model orchestration for coding agents: which task goes to Sonnet 5, Opus 5.5, or Fable 5.1, keeping delegation explicit, and measuring cache economics — from official sources.
A Node.js LTS migration guide: the September 2026 schedule for lines 22, 24, and 26, the October 2026 breaking point, N-API/OpenSSL risks, and an upgrade decision using Next.js/Prisma/Sentry minimums.
Embedded Swift's real boundaries as of Swift 6.4 (Sep 2026): what changed, which microcontrollers are actually supported, and how to bridge your firmware to an iOS companion app.
PostgreSQL 19 is still in beta: Beta 3 status, features pulled back in September 2026, the 18.6 security patches, and a zero-downtime upgrade plan with pg_upgrade.
Compose Multiplatform 1.12 iOS/Android shared UI: the 1.12.0 vs 1.12.1 version delta, the Kotlin 2.1.0+ alignment rule, migration steps, and what changed in iOS behavior.