WWDC26: What’s new in Swift | Apple
Swift 6.3 and 6.4 add ergonomic language tweaks, weak let, ~Sendable syntax, and a unified 'any Apple OS' availability attribute.
“Now, Swift is taking that even further by letting you condense all of those platform names into one, any Apple OS.”
Apple's WWDC26 session details incremental Swift 6.3/6.4 improvements like simplified optional handling, weak let properties, explicit non-Sendable syntax, and consolidated OS availability attributes. These are developer ergonomics and language safety updates with no meaningful AI industry signal, making them largely off-topic for an AI conference intelligence newsletter.