In this episode: Swift 5 nears ABI stability, Swift adoption in apps is skyrocketing, we make all our unit tests pass, and discuss how we'd change Swift.\n\n- Swift 5 ABI Stability and Evolving Swift on Apple Platforms: \nhttps://swift.org/blog/abi-stability-and-apple/\n\n- How many apps use Swift in 2019?\nhttps://blog.andrewmadsen.com/post/182862756395/how-many-apps-use-swift-in-2019\n\n- Esoteric Swift repo by Jesse Squires: https://github.com/jessesquires/esoteric-swift\n\n- Apple to require two-factor authentication for developer accounts: \nhttps://appleinsider.com/articles/19/02/13/apple-to-require-two-factor-authentication-for-developer-accounts\n\n- Paul\u2019s pick - LOLzwagon: https://github.com/DerekSelander/LOLzwagon\n\n- Sean's pick - Speeding up development: a collection of tips \u2013\xa0https://www.avanderlee.com/optimization/speeding-up-development-a-collection-of-tips/\n\n- Open Ballot: If you could change one thing about Swift, what would it be?