SwiftLee Engineering Blog
We track 26 mobile engineering articles by the SwiftLee team in 2026. They cover iOS. SwiftLee writes most about AI, Developer Tools and Xcode.
iOS and Swift development blog by Antoine van der Lee
SwiftLee mobile tech stack & focus areas
Built from the platforms and topics of 26 articles the team published.
- Platforms
- Frequent topics
- Publishing since
- 2026
- Official blog
- avanderlee.com
Most notable SwiftLee articles
One pick for each topic the team covers most.
All SwiftLee articles by year
2026 26
- SwiftUI Performance: Find Redraws in Xcode Instruments
- Agentic iOS Development with RocketSim and RocketTrace
- Introducing RocketTrace: Using Xcode Instruments with AI Agents
- The iOS Simulator Inside Cursor, Claude Code, and Codex
- MVVM in SwiftUI: Using view models without overengineering
- @StateObject vs. @ObservedObject: The differences explained
- Sendable and @Sendable closures explained with code examples
- How to Test iOS Apps in Different Time Zones on a Physical iPhone
- Memberwise Initializer in Swift explained with Code Examples
- Swift 6.4: What's New in Concurrency
- SwiftUI Best Practices, straight from Apple's Xcode 27 Agent Skill
- Using Xcode Instruments to optimize Swift Concurrency Code
- Recording a Physical iPhone for App Preview Videos
- AI-Powered Xcode Simulator Automation (token-efficient)
- Unexpected Task suspension points in Swift Concurrency
- Immediate tasks in Swift Concurrency explained
- Xcode Instruments Time Profiler: Improve performance with AI
- Network Requests Optimization using Xcode's Simulator & Agents
- Xcode Build Optimization using 6 Agent Skills
- Using an MCP to perform product optimizations
- Swift Testing Agent Skill: Write high quality tests with AI
- Core Data Agent Skill: Now available open-source
- SwiftUI Agent Skill: Build better views with AI
- AI App Development: What I Learned in One Month
- 11 Things I learned after using AI Agents full-time
- Agent Skills explained: Replacing AGENTS.md with reusable AI knowledge