Kotlin 2.3.0 is now typically accessible, with the language replace providing capabilities reminiscent of an unused return worth checker and assist for Java 25. The discharge has quite a lot of experimental-stage options together with the worth checker, Swift interoperability, and a brand new syntax for specific backing fields.
JetBrains launched the language replace on December 16. Set up directions might be discovered at weblog.jetbrains.com. This normal launch of the Java rival follows a launch candidate launched November 18.
With Kotlin 2.3.0, a brand new checker for unused values helps stop ignored outcomes. It warns at any time when an expression returns a worth apart from Unit or Nothing and isn’t handed to a operate, checked in a situation, or in any other case used. The checker helps catch bugs the place a operate name produces a significant end result that was silently dropped, which may result in sudden conduct or hard-to-trace points. This characteristic is at the moment experimental.
