Dub Dub Daily: Day 5 | WWDC26
Swift 6.4 removes developer friction points and improves compiler diagnostics for clearer, more correct code.
“the best thing when things just work and you didn't notice that they didn't work before”
An Apple Swift engineering manager discusses Swift 6.4 updates at WWDC26, focusing on removing syntax friction and improving compiler error messages like the new @Diagnose attribute. While relevant to Apple developers, it carries little meaningful AI industry signal beyond a passing mention of an agent building in Xcode.