Kotlin by JetBrains

@kotlin

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

Joined July 2011

1Following

165KFollowers

Kotlin by JetBrains@kotlin · Jul 24

Missed our livestream on Kotlin 2.2? Watch the recording to catch up on new features like context parameters and nested type aliases ⬇️ ⬇️ ⬇️ youtube.com/watch?v=jne392…

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Kotlin by JetBrains@kotlin · Jul 23

🌊 Dive into the world of Kotlin-native AI agents! ✨ With Koog, you can build and run AI agents entirely in idiomatic Kotlin. Create agents that can interact with tools, handle complex workflows, and communicate with users. 🎥 Learn how – in this KotlinConf talk.…

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Kotlin by JetBrains@kotlin · Jul 23

🔥 The Ktor Library Improvement Proposal (KLIP) for API documentation is now live! We’re kicking things off with OpenAPI support – and that’s just the beginning. More formats and broader use case coverage are on the way. 🚀 Take a look and share your thoughts.…

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Kotlin by JetBrains@kotlin · Jul 22

🎟️ Super Early Bird tickets for KotlinConf 2026 are live! 🗺️ We’re heading to Munich, Germany – a brand-new venue in the heart of Europe. Secure your spot now 👇 kotl.in/conf26-tickets

kotlin's tweet card. KotlinConf is the official Kotlin conference by JetBrains. It is a place for the community to gather and discuss all things Kotlin.

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Kotlin by JetBrains@kotlin · Jul 21

🤔 What happens when you throw unexpected code at the Kotlin compiler? Sometimes it crashes, and that’s good. 🔎🪲We use fuzzing to catch bugs traditional tests miss. In our post, we break down what we found in K2, and how our @tudelft collaboration made it even better. 👉…

kotlin's tweet image. 🤔 What happens when you throw unexpected code at the Kotlin compiler?
Sometimes it crashes, and that’s good.
🔎🪲We use fuzzing to catch bugs traditional tests miss. In our post, we break down what we found in K2, and how our @tudelft collaboration made it even better.
👉…

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Kotlin by JetBrains@kotlin · Jul 21

🚀 Calling all Kotlin library creators! The Grants Program 2025 is open! Get funding and support for your libraries that enable unique use cases in Multiplatform, AI, LLMs, and beyond. 📅 Apply by July 31. Learn more about the program: 👉 kotlinfoundation.org/grants/

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Kotlin by JetBrains@kotlin · Jul 21

Have you tried the KMP plugin? It’s available in IntelliJ IDEA and Android Studio — now in the stable version too! ✨ Flexible project wizard 🐞 Debugging for iOS and Android 🍎 Basic Swift support Now on macOS, with Win and Linux support coming soon ➡️jb.gg/lpsrt4

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Kotlin by JetBrains@kotlin · Jul 18

🏦 South Korea’s leading fintech company, Kakao Pay, uses a combination of Kotlin and Spring for backend development. Discover what Kotlin has allowed them to do in our recent case study 👇 blog.jetbrains.com/kotlin/2025/07…

kotlin's tweet card. This blog post is a JetBrains translation of the original post by katfun.joy, a backend developer at Kakao Pay. Kakao Pay leverages Kotlin with Spring for backend development across various services,

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Kotlin by JetBrains@kotlin · Jul 18

📢 The Kotlin 2.2.10-RC release is out! This version includes performance improvements and bug fixes for Kotlin 2.2.0. Check out the changelog for more details: ➡️ github.com/JetBrains/kotl…

kotlin's tweet image. 📢 The Kotlin 2.2.10-RC release is out! This version includes performance improvements and bug fixes for Kotlin 2.2.0.
Check out the changelog for more details: ➡️ github.com/JetBrains/kotl…

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Kotlin by JetBrains@kotlin · Jul 17

🔧 Ktor 3.2.2 is here! This patch release includes a critical fix for Android D8 compatibility, along with other minor enhancements and bug fixes. Check out the full details in the blog post. blog.jetbrains.com/kotlin/2025/07…

kotlin's tweet card. Ktor 3.2.2 is here! This patch release brings a critical fix for Android D8 compatibility, along with some minor enhancements and bug fixes.

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Kotlin by JetBrains@kotlin · Jul 17

And the winner is... Kotlin Multiplatform! 🏆 With over 1000 votes, KMP support is officially the new #1 feature request for Firebase. A huge shout-out to the incredible community that made this happen. Your voice is powerful!

KKotlin by JetBrains@kotlin · Jul 15

Official KMP support for Firebase is one of the community’s top requests. Make your voice heard – vote and share your feedback: firebase.uservoice.com/forums/948424-…

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Kotlin by JetBrains@kotlin · Jul 17

🚀A solid step forward for building AI agents with Kotlin, Koog 0.3.0 is production-ready with powerful new features! Check it out 👇

JJetBrains@jetbrains · Jul 16

✨ Koog 0.3.0 is out! This release brings powerful new capabilities for building scalable and production-ready AI agents, including: 💾 Agent persistence 🗂️ Vector document storage 🔭 Native OpenTelemetry support 🍃 Spring Boot integration 🌟 And more! Get started with Koog:…

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Kotlin by JetBrains@kotlin · Jul 16

🧱 Ktor keeps things simple while giving you room to grow. Our new guide shows how to introduce clean modularity as your project scales. Read the full article 👇 blog.jetbrains.com/kotlin/2025/07…

kotlin's tweet card. In this article, the author walks you through a few ways to bring modularity into your Ktor projects.

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Kotlin by JetBrains@kotlin · Jul 15

Official KMP support for Firebase is one of the community’s top requests. Make your voice heard – vote and share your feedback: firebase.uservoice.com/forums/948424-…

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Kotlin by JetBrains@kotlin · Jul 14

📨 Want exclusive KotlinConf news before everyone else? Newsletter subscribers get early access to the Super Early Bird and Early Bird ticket launches, key dates, and more. Subscribe to the KotlinConf newsletter 👉 kotlinconf.com/subscription/

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Kotlin by JetBrains@kotlin · Jul 10

📢 The Kotlin 2.2.20-Beta1 release is out! Here are some details of this EAP release: ✅ Kotlin/JVM: support invokedynamic with when expressions ✅ Kotlin/Native: support for stack canaries in binaries, smaller binary size for iOS targets, and improved debugger object summaries.…

kotlin's tweet image. 📢 The Kotlin 2.2.20-Beta1 release is out!
Here are some details of this EAP release:
✅ Kotlin/JVM: support invokedynamic with when expressions
✅ Kotlin/Native: support for stack canaries in binaries, smaller binary size for iOS targets, and improved debugger object summaries.…

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Kotlin by JetBrains@kotlin · Jul 10

📢 The team behind Kotlin’s evolution is about to go live. Join the livestream at 2 pm UTC / 4 pm CET to hear what’s new in 2.2 and ask your questions! 👉 kotl.in/2-2-livestream

kotlin's tweet image. 📢 The team behind Kotlin’s evolution is about to go live. Join the livestream at 2 pm UTC / 4 pm CET to hear what’s new in 2.2 and ask your questions!
👉 kotl.in/2-2-livestream

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Kotlin by JetBrains@kotlin · Jul 9

🤑 Kotlin devs make $200K+ per year?! Catch this KotlinConf crowd quiz moment and try to guess along – you might be surprised 👀 🎥 Watch the full video on YouTube: youtube.com/watch?v=7feD8X…

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Kotlin by JetBrains@kotlin · Jul 9

👉 In case you missed it – Kodee’s got the scoop on Kotlin news, from June updates to hidden gems from KotlinConf 2025. Catch up now! ⤵️ kotl.in/kodees-roundup…

kotlin's tweet card. If June flew by while you were deep in development, don’t worry – Kodee has gathered all the ecosystem highlights for you in one handy digest.

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