Swifty Journey Blog

Exploring the world of iOS, Swift and SwiftUI through articles, tutorials and development experiences.

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Latest Articles

Mastering Instruments (Part 2): Stack vs. Heap, Symbolication, and Early Detection

Understand how your app manages memory, why dSYMs are critical, and how to detect performance issues before opening Instruments.

swift ios performance

April 13, 2026

Mastering Xcode Instruments: Mental Models, Bottlenecks, and Signposts

Learn to think like a performance detective. We break down Instruments from mental models to practical hang resolution and code instrumentation with Signposts.

swift ios performance

April 6, 2026

Complete Swift 6.2 Guide: Approachable Concurrency Explained

Interactive guide covering the 5 feature flags of Approachable Concurrency in Xcode 26, recommended configuration, and step-by-step migration guide.

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March 25, 2026

My Journey with Apple Coding Academy: From Self-Doubt to Growth

How Apple Coding Academy restored my confidence as an iOS developer, opened my eyes to AI, and transformed my career.

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March 18, 2026

Claude's 1M Context Window Is a Game Changer for iOS Developers

Anthropic made the 1M-token context window GA for Claude Opus 4.6 and Sonnet 4.6 with no price increase. Here's what it means for Swift and iOS engineers.

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March 14, 2026

From AI assistant to AI engineering teams

How parallel agent teams are changing AI development, and how to apply it to iOS using Claude Code Agent Teams.