Swift Language(@SwiftLang):How does the debugger know exactly which Swift module your code came from? The upcoming Swift 6.4 release makes it more precise than ever, tracking the module path in debug info instead of looking it up by name, for faster and more reliable debugging.

Swift Language

@SwiftLang

Swift is a general-purpose programming language that's fast, modern, safe, and a joy to write. Designed for all, developed in the open.

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Swift Language@SwiftLang

2026.09.11 19:27

How does the debugger know exactly which Swift module your code came from? The upcoming Swift 6.4 release makes it more precise than ever, tracking the module path in debug info instead of looking it up by name, for faster and more reliable debugging.