Category Archives: Releases

Kotlin 1.0 Beta 4 is Out!

We are happy to announce Kotlin Beta 4, another step towards 1.0! We are now mostly focused on the infrastructure and future-proof changes. Full list of changes is available here. More details below. It’s also time to let you know … Continue reading

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Kotlin 1.0 Beta 3 is Out!

We are glad to present another update of Kotlin 1.0 Beta. We are working towards finalizing the standard library and getting rid of old deprecated constructs in the language, as well as bug fixes, performance improvements and future-proof checks. Full … Continue reading

Posted in Releases | 51 Comments

Kotlin 1.0 Beta 2 is Out!

The first update to our Beta is here! We are stabilizing, so it’s mostly bug-fixing and changes to the standard library. Language changes We are now enforcing single-instantiation inheritance constraint on type parameters: the same T can not have both … Continue reading

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The Kotlin Language: 1.0 Beta is Here!

We are extremely pleased to present Kotlin 1.0 Beta for JVM and Android! To recap: Kotlin is a modern programming language that JetBrains has been working on for quite some time now. This post gives an overview of where we … Continue reading

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Kotlin 1.0 Beta Candidate is Out!

We are happy to present Kotlin Beta Candidate. An official 1.0 Beta will be out soon. By now, the binary format is finalized, no major language changes are planned, and only a few changes in the standard library are coming. … Continue reading

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Kotlin M14 is out!

With the release approaching, we switch to shorter milestones. Meet M14 that brings the following changes: Support for annotations on file classes New Java API for the Standard Library operator modifier for operators Backing fields are now accessed through a … Continue reading

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Kotlin Eclipse Plugin 0.3.0

We are happy to announce Kotlin Eclipse Plugin version 0.3.0. This release is loaded with new features: Kotlin M13 support Find references Parameter hints Select enclosing/next/previous element Override/Implement action Body conversion intention Debugger: Run to cursor Debugger: Step into selection … Continue reading

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Kotlin M13 is out!

It’s been a long summer, and we have a lot to tell you about Kotlin M13 (details below): Compiler daemon for faster compilation; lateinit properties to support dependency injection and other frameworks; sealed classes for expressing closed hierarchies; Specifying and … Continue reading

Posted in Releases | 70 Comments

Kotlin M12 is out!

We are happy to present Kotlin M12, bringing some rather important changes and new features: New syntax for annotations and enums More convenient semantics of function types Better smart casts kapt for Java Annotation Processing support Multiple IDE features and … Continue reading

Posted in Releases | 47 Comments

Kotlin M11 is Out!

Today we are releasing a new milestone: Kotlin M11, which brings such long-awaited features as secondary constructors, a first glimpse of true reflection support for Kotlin and much more.

Posted in Releases | 82 Comments