Posts tagged with: Swift 6.4

1 post found

All Development AI Apple Vibe Coding SwiftUI Announcements

A safety net stretched taut, catching something mid-fall

Swift 6.4 Lets Your defer Block Await. withTaskCancellationShield Is Why That's Actually Safe.

Swift 6.4 ships async defer (SE-0493) and withTaskCancellationShield (SE-0504) together, finally letting cleanup code make network calls without racing cancellation. Here's what changes and why the pairing matters.

September 16, 2026 6 min read