Kotlin 2.4.0 Released

# Kotlin 2.4.0 Released | The Kotlin Blog Source: [https://blog.jetbrains.com/kotlin/2026/06/kotlin-2-4-0-released/](https://blog.jetbrains.com/kotlin/2026/06/kotlin-2-4-0-released/) [](https://blog.jetbrains.com/kotlin/)A concise multiplatform language developed by JetBrains [Releases](https://blog.jetbrains.com/kotlin/category/releases/) ## Kotlin 2\.4\.0 Released The Kotlin 2\.4\.0 release is out\! Here are the main highlights: - **Language**: Stable context parameters, explicit backing fields, and multiple features for annotation use\-site targets\. - **Standard library**: Stabilized support for the UUID API and support for checking sorted order\. - **Kotlin/JVM**: Support for Java 26 and annotations in metadata enabled by default\. - **Kotlin/Native**: Support for Swift packages as dependencies, updates on Swift export, and the CMS GC enabled by default\. - **Kotlin/Wasm**: Incremental compilation enabled by default and support for WebAssembly Component Model\. - **Kotlin/JS**: Support for value class export and ES2015 features in JS code inlining\. - **Gradle**: Compatibility with Gradle 9\.5\.0\. - **Maven**: Automatic alignment between Java and JVM target versions\. - **Kotlin compiler**: More consistent inline function behavior during`\.klib`compilation\. For the complete list of changes, refer to[What’s new in Kotlin 2\.4\.0](https://kotlinlang.org/docs/whatsnew24.html)or the[release notes on GitHub\.](https://github.com/JetBrains/kotlin/releases/tag/v2.4.0) ## How to install Kotlin 2\.4\.0 The latest version of Kotlin is included in the latest versions of[IntelliJ IDEA](https://www.jetbrains.com/idea/download/)and[Android Studio](https://developer.android.com/studio)\. To update to the new Kotlin version,[change the Kotlin version](https://kotlinlang.org/docs/releases.html#update-to-a-new-kotlin-version)to 2\.4\.0 in your build scripts\. If you need the command\-line compiler, download it from the[GitHub release page](https://github.com/JetBrains/kotlin/releases/tag/v2.4.0)\. **If you run into any problems:** - Find help on[Slack](https://app.slack.com/client/T09229ZC6)\([get an invite](https://surveys.jetbrains.com/s3/kotlin-slack-sign-up)\)\. - Report issues to our issue tracker,[YouTrack](https://youtrack.jetbrains.com/issues/KT)\. Stay up to date with the latest Kotlin features\! Subscribe to receive Kotlin updates by filling out the form at the bottom of this post\. ⬇️ ## Top issue reporters from YouTrack [Andreas Malik](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20gamalik)\(21 issues\),[Ryan Nett](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20rnett)\(20 issues\),[Julien Dramaix](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20dramaix)\(18 issues\),[Youssef Shoaib](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20kyay10)\(17 issues\),[Jinseong Jeon](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20jsjeon)\(14 issues\),[Zac Sweers](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20ZacSweers)\(11 issues\),[Ivan Canet](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20clovisai)\(10 issues\),[Jose Enrique Estremadoyro Fort](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20joseefort)\(9 issues\),[Łukasz Wasylkowski](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20l.wasylkowski)\(8 issues\),[calebbrandt77](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20Caleb_Brandt)\(8 issues\),[Edoardo Luppi](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20lppedd)\(8 issues\),[Vadim Shabanov](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20vadim.shabanov)\(7 issues\),[Asapha](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20azefsw)\(6 issues\),[Louis CAD](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20louis.cad)\(6 issues\),[Niklas Baudy](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20vanniktech)\(6 issues\),[Rick Clephas](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20rickclephas)\(6 issues\),[rlnt](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20rlnt)\(5 issues\),[marc](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20marczeugs)\(5 issues\),[Victor Turansky](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20Turansky)\(5 issues\), and[Dirk Lattermann](https://youtrack.jetbrains.com/issues/?q=project:KT,%20KTIJ%20created:%202025-12-16%20..%20*%20created%20by:%20dlatt)\(5 issues\)\. ## External contributors We’d like to thank all of our contributors whose pull requests were included in this release: [AndreyBozhko](https://github.com/AndreyBozhko),[ArseniySukhanov](https://github.com/ArseniySukhanov),[bennyhuo](https://github.com/bennyhuo),[BraisGabin](https://github.com/BraisGabin),[dmaclach](https://github.com/dmaclach),[kralliv](https://github.com/kralliv),[loadkrnis](https://github.com/loadkrnis),[migmacdev](https://github.com/migmacdev),[NeonMika](https://github.com/NeonMika),[nyksans](https://github.com/nyksans),[oscarArismendi](https://github.com/oscarArismendi),[rickclephas](https://github.com/rickclephas),[stefanhaustein](https://github.com/stefanhaustein),[Stream29](https://github.com/Stream29),[tcmulcahy](https://github.com/tcmulcahy), and[ZacSweers](https://github.com/ZacSweers)\. ## Special thanks to our EAP Champions - [Alexander Nozik](https://x.com/noraltavir) - [Benoit Lubek](https://github.com/BoD) - [Bernd Prünster](https://github.com/JesusMcCloud) - [David Lopez](https://github.com/HagamosVideojuegos) - [Dayan Ruben](https://github.com/dayanruben) - [Florian Schreiber](https://github.com/molikuner) - [Ivan Canet](https://ivan.canet.dev/) - [Jake Wharton](https://jakewharton.com/) - [Johannes Svensson](https://www.linkedin.com/in/johannessvensson/) - [Łukasz Wasylkowski](https://www.linkedin.com/in/lukasz-wasylkowski/) - [Mohamed Rejeb](https://github.com/MohamedRejeb) - [Olaf Gottschalk](https://github.com/Zordid) - [Rick Clephas](https://github.com/rickclephas) - [Sechaba Mofokeng](https://github.com/msotho) - [Sergey Chernov](https://github.com/seregamorph) - [Sterling Albury](https://sterlingalbury.com/) - [Yang](https://github.com/ychescale9) - [Yuri Geronimus](https://www.linkedin.com/in/yuri-geronimus/) - [Zac Sweers](https://bsky.app/profile/zacsweers.dev) ## Further reading - [What’s new in Kotlin 2\.4\.0 documentation](https://kotlinlang.org/docs/whatsnew24.html) - [Kotlin 2\.4\.0 compatibility guide](https://kotlinlang.org/docs/compatibility-guide-24.html) - [Kotlin EAP Champions](https://blog.jetbrains.com/kotlin/2022/11/eap-champions/) #### Subscribe to Kotlin Blog updates [https://blog.jetbrains.com/kotlin/2026/06/kotlin-2-4-0-released/#](https://blog.jetbrains.com/kotlin/2026/06/kotlin-2-4-0-released/#) ## Discover more