Swift 3.1 Release * Official Swift 3.1 release post: https://swift.org/blog/swift-3-1-released/ * Swift 3.1 was first available on Swift for iPad, not macOS 🙀 + https://twitter.com/stroughtonsmith/status/844451069228994560 * Anna Zaks, program analysis at Apple: https://twitter.com/zaks_anna * Visual Debugging with Xcode WWDC 2016: https://developer.apple.com/videos/play/wwdc2016/410/ * ASAN: https://en.wikipedia.org/wiki/AddressSanitizer * TSAN: https://clang.llvm.org/docs/ThreadSanitizer.html * TSAN at WWDC 2016: https://developer.apple.com/videos/play/wwdc2016/412/

SPM Improvements * Package Manager Manifest API Redesign: https://github.com/apple/swift-evolution/blob/master/proposals/0158-package-manager-manifest-api-redesign.md * Package Manager Editable Packages: https://github.com/apple/swift-evolution/blob/master/proposals/0082-swiftpm-package-edit.md * Package Manager Version Pinning: https://github.com/apple/swift-evolution/blob/master/proposals/0145-package-manager-version-pinning.md * Package Manager Tools Version: https://github.com/apple/swift-evolution/blob/master/proposals/0152-package-manager-tools-version.md * Package Manager Swift Language Compatibility Version: https://github.com/apple/swift-evolution/blob/master/proposals/0151-package-manager-swift-language-compatibility-version.md * Lots of SwiftPM proposals & changes came in under the wire. Kudos to Ankit and Daniel.

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