Main Thread Articles

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8/2/2026 • EN

@MainActor in Swift explained with code examples

Learn how to use @MainActor in Swift to ensure main thread execution with code examples, including Swift 6.2 changes.

concurrency Ios Development Main Thread Mainactor Swift

Antoine van der Lee

10/13/2020 • EN

Missing

A developer analyzes a third-party widget causing severe performance issues, blocking the main thread for 2.5s on a high-end laptop and 48.6s on a low-end Android device.

analytics Long Tasks Main Thread Third Party Scripts web performance

Tim Kadlec

9/21/2018 • EN

The 9am rush hour

A Google developer uses a rush hour analogy to explain main thread congestion in web development and explores strategies to improve performance.

Frontend JavaScript Main Thread performance Web Development

Surma

Main Thread Articles

@MainActor in Swift explained with code examples

Missing

The 9am rush hour

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