swift-concurrency

Guide Swift concurrency migration across actors, tasks, and Sendable boundaries.

Updated Feb 17, 2026

Search Tags:#debugging #migration #concurrency #swift #async-await #actors #sendable

Ready to run

npx skills add https://github.com/hoangv97/skills --skill swift-concurrency-hoangv97

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: swift-concurrency
Source: https://github.com/hoangv97/skills/tree/main/swift-concurrency
Command: npx skills add https://github.com/hoangv97/skills --skill swift-concurrency-hoangv97

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Swift concurrency guidance helps developers write safe, maintainable asynchronous code with actors, async/await, and Sendable, while navigating strict Swift 6 migrations and common pitfalls.

Core Features & Use Cases

Expert guidance on concurrency patterns, isolation boundaries, and code migration strategies for Swift 5.x/6.x.
Actionable patterns and references (actors.md, threading.md, memory-management.md, migration.md) for practical adoption.
Step-by-step workflows for triage, migration, debugging, and performance considerations.

Quick Start

Begin by auditing your project for default actor isolation and migrate critical modules using the Swift Concurrency Course guidance.

Frequently Asked Questions about swift-concurrency

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I migrate to Swift 6 strict concurrency mode safely?▼

Migrate to Swift 6 strict concurrency by auditing default actor isolation and moving critical modules incrementally. This approach enforces isolation decisions and provides step-by-step migration workflows to reduce blast radius.

How do you manage Sendable boundaries and actor isolation in async/await code?▼

Manage Sendable boundaries and actor isolation by applying structured concurrency patterns and enforcing isolation decisions. This ensures safe data sharing across tasks and reduces risks in asynchronous Swift code.

What's the best way to debug Swift concurrency code with actors and Task groups?▼

Debug Swift concurrency code using provided triage workflows and references for threading and memory management. These resources help identify isolation issues and performance bottlenecks in actors and Task groups.

Can I use this Swift concurrency guidance for projects still on Swift 5.x?▼

Yes, this guidance applies to projects using Swift 5.x and Swift 6 strict mode. It supports modules relying on async/await, actors, and Task groups, offering migration steps for incremental adoption.

Why does migrating to structured concurrency increase my code's blast radius?▼

Migrating to structured concurrency increases blast radius when isolation decisions are not enforced correctly. Applying provided migration patterns and step-by-step workflows reduces these risks and ensures safe adoption.