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Discover what’s going on in the Kotlin ecosystem | @JetBrains Video tutorials http://kotl.in/video News http://kotl.in/news Community discussions http://kotl.in/slack

📘 Learning or teaching Kotlin? The Programming in Kotlin course is open and free for everyone. Explore hands‑on assignments, practical examples, and ready‑to‑use slides – perfect for both self‑study and the classroom. Start here ⤵ kotl.in/edu-reminder


🤔 How do Java teams take Kotlin from playground to production? This post outlines what works, what doesn’t, and how to avoid common migration pitfalls. 👉 kotl.in/adoption-guide…

kotlin's tweet image. 🤔 How do Java teams take Kotlin from playground to production?
This post outlines what works, what doesn’t, and how to avoid common migration pitfalls.
👉  kotl.in/adoption-guide…

🏦 Trust in Kotlin across the financial technology sector is growing. Yuri Geronimus of @Verifone explains why Kotlin is becoming a strategic choice for payment systems and enterprise-scale solutions. Learn more👇 yurigeronimus.medium.com/kotlin-in-paym…


Big refresh for the Kotlin Multiplatform page on the Android Developers site! 🚀 Check it out ⬇️

kotlin's tweet image. Big refresh for the Kotlin Multiplatform page on the Android Developers site! 🚀
Check it out ⬇️

Update for Kotlin Multiplatform devs: new guidance is now available on our website! Check it out and get inspired → goo.gle/3qiPVnL What's New? 🎨 Refreshed KMP Landing Page 🗺️ KMP Basics Course 🧩 New guides for ViewModel, Room, DataStore, and KMP AGP Plugin



Kodee is quite the storyteller. 🎃👻

🧟‍♂️ Night of the Undying NullPointerExceptions: A Scary Story from Kodee It was a quiet October evening like any other when Alex sat down to deploy an update. But what began as a simple deployment was quickly met with blood-curdling screams from the logs... One…

jetbrains's tweet image. 🧟‍♂️ Night of the Undying NullPointerExceptions: A Scary Story from Kodee

It was a quiet October evening like any other when Alex sat down to deploy an update. But what began as a simple deployment was quickly met with blood-curdling screams from the logs...

One…


🚀 Kotlin Multiplatform devs, this is the news you've been waiting for! The KMP plugin for Android Studio Otter | 2025.2.1 is now available on Linux and Windows. Install now 👇 kotl.in/kmp-plugin


Think you might have missed breaking Kotlin news? No worries! Kodee has gathered all the top stories in the latest Kotlin Roundup. ⤵️ blog.jetbrains.com/kotlin/2025/10…


Kotlin by JetBrains รีโพสต์แล้ว

JSR-330 arrives in #Koin Annotations 2.2 Use standard annotations: @Inject @Singleton @Named & @Qualifier ✅ Seamless interop with Dagger & others 🚒 Safer incremental migration for large projects 🎉 KMP Compatible ✌️ Koin simplicity 👉 blog.insert-koin.io/koin-annotatio…


kotlin's tweet image.

📣Announcing the first preview releases of Swift for Android, enabling you to build Android business logic with the same Swift that you use for Apple platforms. swift.org/blog/nightly-s… #Android

SwiftLang's tweet image. 📣Announcing the first preview releases of Swift for Android, enabling you to build Android business logic with the same Swift that you use for Apple platforms. swift.org/blog/nightly-s… #Android


We’re running our yearly Kotlin Multiplatform survey to understand how the ecosystem is growing, how our recent releases are performing, and where to focus our efforts next. Your experiences matter! Take a few minutes to share your feedback 👉 surveys.jetbrains.com/s3/KMP-Survey-…

kotlin's tweet image. We’re running our yearly Kotlin Multiplatform survey to understand how the ecosystem is growing, how our recent releases are performing, and where to focus our efforts next.

Your experiences matter! 

Take a few minutes to share your feedback 👉 surveys.jetbrains.com/s3/KMP-Survey-…

📢 Kotlin 2.3.0-Beta2 is out! Here are some of the highlights: ✅ Language: more stable and default features, a new checker for unused return values, and changes to context-sensitive resolution. ✅ Kotlin/JVM: support for Java 25. ✅ Kotlin/Native: improved interop through Swift…

kotlin's tweet image. 📢 Kotlin 2.3.0-Beta2 is out! Here are some of the highlights:
✅ Language: more stable and default features, a new checker for unused return values, and changes to context-sensitive resolution.
✅ Kotlin/JVM: support for Java 25.
✅ Kotlin/Native: improved interop through Swift…

Curious about Kotlin but not sure where to start? See how Java teams take their first safe steps and why tests are the perfect place to begin. 👉 kotl.in/adoption-guide…

kotlin's tweet image. Curious about Kotlin but not sure where to start? See how Java teams take their first safe steps and why tests are the perfect place to begin.
👉  kotl.in/adoption-guide…

💜 Don’t miss what’s next in Kotlin. Get bite-sized updates, inspiration, and sneak peeks delivered right to your inbox. Subscribe and stay in the loop 👉 kotl.in/news 📰 The new edition is coming soon!

kotlin's tweet image. 💜 Don’t miss what’s next in Kotlin.
Get bite-sized updates, inspiration, and sneak peeks delivered right to your inbox.

Subscribe and stay in the loop 👉 kotl.in/news

📰 The new edition is coming soon!

📢 Kotlin 2.2.21 is here! This version includes performance improvements and bug fixes. Changelog: ➡️github.com/JetBrains/kotl…

kotlin's tweet image. 📢 Kotlin 2.2.21 is here! This version includes performance improvements and bug fixes.
Changelog: ➡️github.com/JetBrains/kotl…

💳 Processing 43B+ transactions a year, @WorldlineGlobal chose Kotlin to write cleaner code, reduce runtime errors, and launch features faster – all within the Java ecosystem. For more on #ServerSideKotlin 👉 kotl.in/server-side-la…


A conversation around Kotlin coroutines 💜 @sebi_io, @zsmb13, and @marcinmoskala spent two glorious hours exploring coroutines in depth. 🎙️ If you love Kotlin, you won't want to miss this episode ⤵️ youtube.com/watch?v=1zY4_i…

kotlin's tweet card. Discussing Kotlin Coroutines with Marcin Moskała | Talking Kotlin 141

youtube.com

YouTube

Discussing Kotlin Coroutines with Marcin Moskała | Talking Kotlin 141


🚀 Dokka 2.1.0 is out! This version focuses on stabilizing experimental features, supporting new Kotlin language updates, and improving the user experience. Key highlights include: ✅ Dokka Gradle plugin v2 enabled by default ✅ K2 analysis enabled by default ✅ Support for…


📢Kotlin 2.2.21-RC2 is here! This version includes performance improvements and bug fixes. Changelog: ➡️github.com/JetBrains/kotl…

kotlin's tweet image. 📢Kotlin 2.2.21-RC2 is here! This version includes performance improvements and bug fixes. 
Changelog: ➡️github.com/JetBrains/kotl…

💡 If you're thinking about submitting a session for KotlinConf 2026, check out our blog post with insider tips to help your proposal shine ✨ 👉 kotl.in/conf26-proposa…

🎤 Ready to share your Kotlin story on the big stage? The KotlinConf’26 Call for Papers is open! Learn how to craft a standout proposal with guidance from veteran presenters, JetBrains speakers, and KotlinConf committee members. Read more ⤵️ blog.jetbrains.com/kotlin/2025/10…



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