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What's New in Kotlin 2.3

Kotlin by JetBrains

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17K views9 months ago1 recommendation

Programming languagesKotlinLanguage design and type systems

An overview of the new features in Kotlin 2.3, including the unused return value checker, explicit backing fields, and standard library updates.

Get your KotlinConf ticket today! kotlinconf.com/ Kotlin 2.3 is packed with nice updates: new language features like the unused return value checker and explicit backing fields, previously added language features that became stable in this release, new APIs for time and UUID handling in the standard library, and improvements to all Kotlin platforms, from Native to Wasm and JS. Check out the full release notes: kotlinlang.org/docs/whatsnew23.html Existing features that are now stable Nested type aliases youtube.com/watch?v=1W6d45IOwWk Data-flow based exhaustiveness checks for when expressions youtu.be/QWpp5-LlTqA?t=32 Returns in expression bodies youtu.be/QWpp5-LlTqA?t=162 Context-sensitive resolution youtube.com/watch?v=aF8RYQrJI8Q Overview Unused return value checker Explicit backing fields Now stable features kotlin.time APIs UUID updates Sponsor Swift Export improvements Faster Kotlin/Native builds Kotlin/Wasm updates Better JS/TS exports Other JavaScript improvements Wrap-up

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What people say. Recommended as a quick overview of the new features and stability updates introduced in Kotlin 2.3.

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