[ "array" : [ nil, true, 1, // Int in decimal 1.0, // Double in decimal "one", [1], ["one" : 1.0] ], "bool" : true, "data" : .Data("R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7"), "date" : .Date(0x0p+0), "dictionary" : [ "array" : [], "bool" : false, "double" : 0x0p+0, "int" : 0, "nil" : nil, "object" : [:], "string" : "" ], "double" : 0x1.518f5c28f5c29p+5, // Double in hexadecimal "in
Swift 6.3 Released March 24, 2026 Swift is designed to be the language you reach for at every layer of the software stack. Whether you’re building embedded firmware, internet-scale services, or full-featured mobile apps, Swift delivers strong safety guarantees, performance control when you need it, and expressive language features and APIs. Read more
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