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Kodee’s Kotlin Roundup: Kotlin 2.3.20, Interview With Josh Long, and More

March 31, 2026

Kodee’s Kotlin Roundup: Kotlin 2.3.20, Interview With Josh Long, and More

March was a busy month for Kotlin, with a new language release, fresh tooling, ecosystem updates, and plenty of inspiration ahead of KotlinConf’26. From practical improvements to exciting steps in AI and multiplatform, there’s a lot worth exploring. Here are the stories that stood out to me most. Where you can learn more YouTube highlights

Amper 0.10 – JDK Provisioning, a Maven Converter, Custom Compiler Plugins, and More

March 31, 2026

Amper 0.10 – JDK Provisioning, a Maven Converter, Custom Compiler Plugins, and More

Amper 0.10.0 is out, and it brings a variety of new features, such as JDK provisioning, custom Kotlin compiler plugins, a Maven-to-Amper converter, and numerous IDE improvements! Read on for all of the details, and see the release notes for the full list of changes and bug fixes. To get support for Amper’s latest features, […]

KotlinConf’26 Speakers: In Conversation with Josh Long

March 23, 2026

KotlinConf’26 Speakers: In Conversation with Josh Long

“There’s never been a better time to be a JVM or Spring developer.” The Spring ecosystem has evolved dramatically over the past decade, from traditional enterprise applications to microservices, distributed systems, and now AI-powered services. Few people have witnessed that evolution as closely as Josh Long, who has served as Spring’s first Developer Advocate since […]

KotlinConf 2026: Talks to Help You Navigate the Schedule

March 20, 2026

KotlinConf 2026: Talks to Help You Navigate the Schedule

The full KotlinConf’26 schedule is finally live, and it’s packed! With parallel tracks, deep-dive sessions, and back-to-back talks, planning your time can feel overwhelming. When almost every session looks interesting, deciding where to spend your time isn’t easy. To help you navigate it all, the Kotlin team has selected a few talks worth adding to […]

Kotlin blog
Why Kotlin?
Code examples
fun main() {
    val name = "stranger"        // Declare your first variable
    println("Hi, $name!")        // ...and use it!
    print("Current count:")
    for (i in 0..10) {           // Loop over a range from 0 to 10
        print(" $i")
    }
}
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Kotlin in action

McDonald's
McDonald's leverages Kotlin Multiplatform (KMP) for their global mobile app, enabling them to build a codebase that can be shared across platforms, removing the need for codebase redundancies.Kotlin Multiplatform
AWS
AWS opted for Kotlin over Java for Amazon Quantum Ledger Database (QLDB) thanks to its expressiveness and structured concurrency. They rewrote QLDB in Kotlin, enhancing the user experience, benefiting from its development workflow, and adopting it fully for server-side development.Server-side
Philips
Philips utilizes Kotlin Multiplatform in its HealthSuite digital platform mobile SDK. With KMP, they accelerated the implementation of new features and fostered increased collaboration between Android and iOS developers.Kotlin Multiplatform
Adobe
Adobe Experience Platform chose Kotlin for server-side development because of its concise syntax, async capabilities, and interoperability with Java. This shift boosted productivity and improved the developer experience, replacing Java for real-time services.Server-side
Forbes
By sharing over 80% of logic across iOS and Android, Forbes now rolls out new features simultaneously on both platforms, keeping the flexibility to withhold or customize features based on the specific platform.Kotlin Multiplatform
Atlassian
Atlassian adopted Kotlin for the Jira Software cloud, leveraging its Java compatibility for seamless integration and minimizing migration challenges. Kotlin's ease of use improved developer productivity and boosted team satisfaction and efficiency.Server-side

Share code on your terms and for different platforms

Simplify the development of cross-platform projects with Kotlin Multiplatform. It reduces time spent writing and maintaining the same code for different platforms while retaining the flexibility and benefits of native programming. Kotlin applications will work on different operating systems, such as iOS, Android, macOS, Windows, Linux, watchOS, and others.
Learn about Kotlin Multiplatform

Kotlin + AI

JetBrains is investing in AI models tailored for Kotlin, providing open data, benchmarks, and AI-native tooling integrated into your workflow.

At the same time, Kotlin makes it easy to build your own AI-powered features with seamless backend integrations and a growing ecosystem.

What you get with Kotlin + AI

  • Strong support across JetBrains AI tools like AI Assistant and Junie
  • Robust functionality for building AI-powered apps on the JVM
  • Native integration with tools like Spring AI and LangChain4j
  • Open data and benchmarks for better code generation

Build your own AI agents with Koog

Koog is JetBrains’ new Kotlin-native framework for creating powerful AI agents that run locally, interact with tools, and automate complex tasks. Whether you’re developing a simple chat assistant or an advanced multi-step workflow, Koog gives you full control with clean Kotlin code – no external services are required. Build, extend, and experiment with AI agents entirely in Kotlin.

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Big, friendly and helpful community

Kotlin has great support and many contributors in its fast-growing global community. Enjoy the benefits of a rich ecosystem with a wide range of community libraries. Help is never far away — consult extensive community resources or ask the Kotlin team directly.

Kotlin Foundation

Actively supports community efforts in developing the Kotlin ecosystem.

Start using Kotlin today!