What's new in Swift 5.3?

Swift 5.3 is going to be an exciting new release. This post is a showcase of the latest Swift programming language features.

What's new in Swift 5.3?

Package Manager updates

Resources

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Localized resources

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Binary dependencies

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Conditional Target Dependencies

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Language features

Multiple Trailing Closures

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Synthesized Comparable conformance for enum types

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Enum cases as protocol witnesses

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Type-Based Program Entry Points

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Multi-Pattern Catch Clauses

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Float16

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Self changes

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Refine didSet Semantics

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Add Collection Operations on Noncontiguous Elements

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Where clauses on contextually generic declarations

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Add a String Initializer with Access to Uninitialized Storage

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