🔥 Exposed supports array types out of the box.

No more workarounds for Postgres array columns!

👇 See how to use it in your backend:

https://kotl.in/fysl5e

LangChain4JNotebook.ipynb GitHub Gist: instantly share code, notes, and snippets.

📓 Prototyping LLM calls on the JVM?

Use Kotlin Notebook and LangChain4j directly in IntelliJ IDEA.

👇 Open the gist and try it yourself:

https://kotl.in/ehipfr

📢 Kotlin 2.3.21-RC2 is here! This release brings performance improvements and bug fixes.
Changelog: ➡️ github.com/JetBrains/ko...

💡 Tip for Ktor Users!

Ktor seamlessly integrates with templating engines like Pebble.

🛠️ To render a template:
Simply provide the page name and a data map.

Generate a preconfigured project, or add your favorite plugins first!

🚀 https://kotl.in/6yummt

💡 The Ktor `ContentNegotiation` plugin makes JSON serialization easy.

Choose kotlinx.serialization, Gson, or Jackson.

Set it up in your backend project!
👉 https://kotl.in/7himzk

⚙️ Get ready to ship your Ktor app!

🚀 It’s easy to create and run an executable JAR with all dependencies included. Perfect for deploying on any platform that supports the JVM.

See how to package and deploy your backend 👉 https://kotl.in/svxudi

Deploying Kotlin Multiplatform at Google Workspace | Jason Parachoniak and Johan Bay Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

📊 Google Workspace experimented with Kotlin Multiplatform in Google Docs through large-scale A/B tests in production with impressive results.

“We consider Kotlin Multiplatform validated in our Google Docs experiment. We’re actually very happy with it.”

🎥 Watch the talk: https://kotl.in/5xscev

Getting Started | Uploading Files Learn how to build a Spring application that accepts multi-part file uploads.

Building with Spring? 🍃

The official “Uploading Files” guide now includes Kotlin and Java examples side by side.

Compare both and see how Kotlin fits into your existing Spring backend 👇
https://kotl.in/wbl8jo

Using Spring Data JPA with Kotlin | The IntelliJ IDEA Blog This post was written together with Thorben Janssen, who has more than 20 years of experience with JPA and Hibernate and is the author of “Hibernate Tips: More than 70 Solutions to Common Hiberna

Your #Kotlin persistence layer can be concise and clean.

Entities, repositories, custom queries, data class DTOs – Spring Data JPA works smoothly when you know the setup.

Check it out 👇 https://kotl.in/z1fx8o

GitHub - Kotlin/sample-wasi-http-kotlin: An example `wasi:http` server component written in Kotlin An example `wasi:http` server component written in Kotlin - Kotlin/sample-wasi-http-kotlin

Kotlin + WebAssembly is becoming practical.

Run a minimal HTTP server on WASI github.com/Kotlin/sampl...

This sample uses `wasi:http` and early WebAssembly Component Model support – a step toward portable, composable backend services in Kotlin.

What would you build with this? 💬

📢 Kotlin 2.3.21-RC is here! This release brings performance improvements and bug fixes.
Changelog: ➡️ github.com/JetBrains/ko...

GitHub - danysantiago/room-web-demo Contribute to danysantiago/room-web-demo development by creating an account on GitHub.

👉 If you want to see Room in action on the web, try this demo: github.com/danysantiago...

Room 3.0 - Modernizing the Room News and insights on the Android platform, developer tools, and events.

ICYMI:

🚀 The first alpha of Room 3.0

The build focuses on Kotlin Multiplatform and expands support to JavaScript and Wasm.

It is Kotlin-first and built around coroutines, making it easier to share your data layer across platforms today: android-developers.googleblog.com/2026/03/room...

Golden Kodee Community Awards | KotlinConf 2026, May 20–22, Munich KotlinConf is the official Kotlin conference by JetBrains. It is a place for the community to gather and discuss all things Kotlin.

The Golden Kodee finalists have been officially named 🏆

Congratulations to everyone who made the cut!
Check our website to see if someone you nominated or voted for made it through to the final.
https://kotl.in/88t7j6

Duolingo + KMP: A Case Study in Developer Productivity | John Rodriguez and Johnny Ye YouTube video by Kotlin by JetBrains

“The more we use KMP internally, the more we speed up in terms of shipping.”

That’s what the Duolingo team says about their journey to growing confidence, clearer boundaries, and faster delivery across mobile teams with Kotlin Multiplatform.

🎥 https://www.youtube.com/watch?v=RJtiFt5pbfs

Playing games is great! 🎮
But learning something new while you play? Well, that's even better.

The Coroutines Races guessing game asks you to inspect short coroutine snippets and predict not just what happens, but when it happens.

Give it a try: https://kotl.in/4p7e6m

🎉 Amper 0.10.0 is here!

Read our latest blog post: https://blog.jetbrains.com/amper/2026/03/amper-0-10/
Or dive into the release notes: https://github.com/JetBrains/amper/releases/tag/v0.10.0

Ahead of KotlinConf’26, we spoke with @lenareinhard.com about the uncertainty many people in tech are feeling today, the realities behind the productivity debate in the age of AI, and what leaders can do to support their teams through change.

Read the full interview: kotl.in/y4e1af

Compose Multiplatform deep dive: This session will cover UI sharing, navigation, state, theming, interop, and more.

Build production-ready apps at KotlinConf!

🗓️ May 20 • 📍 Munich

⚠️ Seats are limited – reserve yours now 👇
https://kotl.in/cmp-workshop-xbs

What's new in Kotlin 2.3.20-RC3 | Kotlin

📢 Kotlin 2.4.0-Beta1 is out!

Try it out: kotl.in/2-4-0-beta1

Counting down the days. We can’t wait to see everyone at KotlinConf'26! 💜

📍 Munich
🗓️ May 20–22

Dokka 2.2.0 is out

- Compatibility with Android Gradle Plugin 9 and Android Gradle Library Plugin for KMP.
- Fixes and improvements in K2 analysis.
- Fixes for rendering, linking, and Java interop.
- Improved documentation inheritance in expected and actual declarations.
- And more!

We’d love to hear what you think!

Release 2.2.0 · Kotlin/dokka Dokka Gradle Plugin Starting from Dokka 2.1.0, the new Dokka Gradle Plugin is enabled by default. The documentation on kotlinlang.org has been updated accordingly: See Get started with Dokka for i...

Dokka 2.2.0 release is out!

This version focuses on improving the new Dokka Gradle Plugin and K2 analysis, as well as refining documentation behavior.

Read the full release notes: github.com/Kotlin/dokka...

Follow the thread below for the key highlights ⬇️

Kotlin meetups come in many forms – sometimes it’s just a casual evening of great conversation with fellow enthusiasts.
If you’re in or near Prague on April 22, you’re in luck! Join us for the next one: https://luma.com/communitykt

What's New in IntelliJ IDEA Discover IntelliJ IDEA 2026.1 with support for more AI agents and ACP, Java 26 and Kotlin 2.3.20, Spring insights, and productivity boosts.

The IntelliJ IDEA 2026.1 release is here!

Discover the latest updates, all explained and demoed on our What’s New page.

Check it out 👇

www.jetbrains.com/idea/whatsnew/

The KotlinConf’26 schedule keeps growing with new Multiplatform sessions!

Expect practical insights from industry experts on Compose and KMP in production, high-performance rendering, hardware integration, full-stack web development, and more.

Dive in! ➡️ https://kotl.in/conf26-schedu

Koog is going polyglot! Built in Kotlin, it now also offers an idiomatic API for Java teams. Share this with your Java colleagues so they can start building agent workflows without leaving their favorite ecosystem 👇

Ahead of KotlinConf’26, we spoke with @starbuxman.joshlong.com about how the Spring community has grown, why Kotlin has become such a natural fit for Spring developers, and why he believes there’s never been a better time to build on the JVM.

🔗 kotl.in/faj159

More KotlinConf’26 sessions revealed!

Our advanced tracks dive deep into Kotlin performance, native integration, multiplatform rendering, and systems-level engineering.

Explore the full schedule ➡️ https://kotl.in/conf26-schedu

Golden Kodee Community Awards 2026 We use cookies to personalise your account, to provide social media features, to analyse traffic, and so you can stay logged in. For more information, see our cookie policy.

The Golden Kodee for In-Person Presence Award recognizes the speakers, meetup organizers, and workshop hosts. Take a look at the nominees and vote for the person making the biggest impact in the real-world Kotlin community.
https://kotl.in/6zi8k8