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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…
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…

💡 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…
This year’s Kotlin Multiplatform Contest for students and recent graduates is open. Build a project using KMP, and it could take you to KotlinConf 2026 in Munich, Germany! 💜 kotl.in/contest-26
Ktor 3.3.1 is here! Check out the changelog for the full details. ktor.io/changelog/3.3/…
📢 Kotlin 2.3.0-Beta1 is out! Here are some of the highlights: ✅ Language: a preview of the unused return value checker and changes to context-sensitive resolution ✅ Feature stabilization: nested type aliases, exhaustive `when`, and the new time tracking functionality ✅…

Want to increase the speed of your iOS builds? Try incremental compilation for Kotlin/Native, by adding this to your Gradle properties: kotlin.incremental.native=true This is an experimental feature, and we'd love to hear your feedback. Learn more ⤵️ kotlinlang.org/docs/native-im…
kotlinlang.org
Tips for improving compilation time | Kotlin
Tips for improving compilation time | Kotlin
📢Kotlin 2.2.21-RC is here – the first release with Xcode 26 support. 🎉 It also brings performance improvements and bug fixes. Changelog: ➡️github.com/JetBrains/kotl…

Koog 0.5.0 adds Agent2Agent (A2A) Protocol support 🚀 Agents now publish their capabilities in a standard format, making it easy for others to find them and call their APIs across JVM, iOS, Android, and Wasm. Check out what’s new → github.com/JetBrains/koog…

🎉 JUnit 6.0 is here, and it brings even deeper Kotlin support! Now, you get: ✨ Suspend and cancellation support ✨ Kotlin 2.2 baseline ✨ Improved nullability annotations ✨ Convenient UX with contracts Check out the full release notes 👉 kotl.in/b8wncm?utm_cam…
JUnit 6 released, and Kotlin is part of the party 🥳 Suspend & cancellation support is absolutely amazing 🔥🔥🔥
Teaching Kotlin? Our "Programming in Kotlin" course is now available in two formats: ➤ Classic slide-based materials. ➤ Interactive Kotlin notebooks with runnable code and Markdown. Read the full blog post and try out the new format ⤵ blog.jetbrains.com/kotlin/2025/08…
✨ Have you tried Ktor's brand-new OpenAPI spec generation feature? We want your take – what worked, what didn't, what surprised you? Fill out our short survey 👉 surveys.jetbrains.com/s3/Ktor-OpenAP… Help us shape the future of #Ktor 🚀

Build AI-powered backends with Kotlin. These Spring AI tutorials show you how to: – Call an LLM – Generate embeddings – Build an RAG system Each tutorial runs in a Kotlin notebook and includes working code. 👉 github.com/Kotlin/Kotlin-…

📱 Two Years with Kotlin Multiplatform: From Zero to 55% Shared Code At KotlinConf’25, @rsicarelli shared how StoneCo – serving 4M+ users – scaled KMP adoption, trained 130 engineers, and achieved 55% code sharing across two large-scale mobile apps. 📺 kotl.in/u5aa8v
🚀 Build your first AI agent in Kotlin with Koog, JetBrains’ framework for LLMs! Watch this short, step-by-step video and learn how to set up dependencies, create an LLM client, send prompts, handle responses, translate text, and call tools ⤵️ youtu.be/TAtU7joTGaA?si…
youtube.com
YouTube
Your First AI Agent in Kotlin | Tutorial
Do you have a complex business rule-set problem? Business rules spread across platforms, systems, and apps? At KotlinConf’25, Anshika Koul shared how Norway’s 377-year-old national postal service tackled this challenge with Kotlin Multiplatform. 📺 kotl.in/v528cc
When building backends, a lot of time goes into reshaping data. Kotlin helps with smart casts, destructuring, and the recently added guards, all making data transformations cleaner, safer, and more intuitive. Watch more 👉 kotl.in/w5c5wg
🚀 Wolt went from Python to Kotlin to ensure their fintech and payment services run smoothly and reliably. Why did Kotlin become their language of choice? Watch the @woltapp testimonial to find out! For more on Kotlin for server-side development, visit 👉 kotl.in/server-side-la…
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