iOS 27.2 Beta: What Is New for Developers, Beta by Beta
iOS 27.2 beta 2 (24B5089g) and Xcode 27.2 beta 2 (27B5028f) for developers: the EU tracking prompt, the JSON .xcproj format, a deployment bug, and no Duo SDK.
DevelopmentWriting
Thoughts on design, development, AI infrastructure, and building products.
macOS 27 Release Notes: Deprecations, Breaks, and Fixes
macOS 27 Golden Gate shipped September 14 as 26A428. The notes read for Mac developers: what fires when you link on the 27 SDK, plus 13 deprecations checked.
DevelopmentApp Store Screenshots That Sell the Why
37 App Store screenshot sets read frame by frame, Apple's 2026 asset rules, the A/B results that state their numbers, and a before-and-after from our own app.
Design & CultureXcode 27.1 Beta: Your App in the iPhone Duo Simulator
Xcode 27.1 beta ships the first iOS 27.1 SDK and an iPhone Duo simulator: what the SDK adds, what the device profile says, and what a probe reports per pose.
DevelopmentThe EU Tracking Prompt in iOS 27.2: What to Ship
iOS 27.2 adds an alternative App Tracking Transparency prompt for the EU, mandatory in five countries. The new API, the new Info.plist key, and what to ship.
DevelopmentmacOS 27 Golden Gate Is Out: What Changes for Developers
macOS 27 Golden Gate shipped September 14, Apple silicon only: Rosetta's last general release, installers defaulting to arm64, and the GA notes to read.
DevelopmentXcode 27 Is Out: Requirements, Targets, and What Broke
Xcode 27 (27A266a) shipped September 14: macOS 26.6 and Apple silicon required, Swift 6.4, higher deployment floors, ld64 gone, PreviewProvider deprecated.
DevelopmentiOS 27.0 Release Notes: Deprecations, Breaks, and Fixes
iOS 27.0 (24A437) shipped September 14. The notes, read for developers: 11 deprecations, what fires when you build with the 27 SDK, and one fix I verified.
Developmentarm64e.x1: Apple's Checked Pointer Arithmetic Slice
iOS 27 RC notes add arm64e.x1: checked pointer arithmetic (CPA2) on A20 Pro, M6, and S11. What clang emits, the four Xcode switches, and the hardware list.
DevelopmentiPhone Duo, Day Two: The Assets That Appeared in 24 Hours
Apple's iPhone Duo bezel pack and App Store Connect's screenshot sizes, plus mock-ups, SwiftUI examples, agent skills, and questions from the first 24 hours.
Apple EcosystemiPhone Duo for Developers: The 1.42 Problem and the SDK Gap
iPhone Duo for developers: inferred display points from App Store Connect screenshots, two display shapes, Split View, Touch ID, SDK timing, and six Tech Talks.
Apple EcosystemApple's September 2026 Event, Verified on Apple's Pages
Apple's September 9, 2026 keynote as it happened: each announcement logged as it landed, with the Apple page it was checked against, plus the developer drops.
Apple EcosystemExternal Publications
Technical writing published 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.
