Tibor Bödecs • 9/27/2025

All about Swift Package Manager Traits

This technical article details Swift Package Manager traits introduced in Swift 6.1. It explains how traits function as feature flags, enabling conditional compilation, toggling optional dependencies, and configuring advanced package setups. The guide includes a code example demonstrating trait definition in a package manifest and how to use the #if directive to conditionally compile code and tests based on enabled traits.

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#traits #Feature Flags #Swift