The easiest way to try Kotlin isn’t rewriting your Java app – it’s writing tests. Drop a Kotlin test next to your JUnit/Mockito setup and you’ll immediately see the difference: less noise, more clarity, same JVM. ➡️ Learn more in the Kotlin Adoption Guide: https://jb.gg/kotlin-guide

Evaluating Kotlin for your backend or mobile team? Netflix, Forbes, and McDonald’s already run it in production. You can find the data, case studies, and adoption guidance all in one place https://kotl.in/business-bluesky #Kotlin #KMP

🔥 A new Kotlin AI Benchmark, the Ship Kotlin Everywhere Award at RevenueCat Shipaton 2026, Kotlin 2.4.10, Kotlin support in BlueJ 6.0, and more. Which July highlight stood out to you most? Catch up in Kodee’s Kotlin Roundup 👇 https://kotl.in/l1v89k

Kodee’s Kotlin Roundup: Birthday Wishes, Shipaton 2026, and the New Kotlin AI Benchmark - The JetBrains Blog

Kotlin turns 15. Explore the new AI benchmark, latest Kotlin releases, Shipaton 2026, Golden Kodee winners, and learning resources.

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➡️ Adopting KMP doesn’t have to start with a full rewrite. See how an existing Android app built with Jetpack Compose can migrate to KMP step by step, from shared business logic modules to shared UIs with Compose Multiplatform. Start your Kotlin Multiplatform migration 👇 https://kotl.in/lxn1gg

Shipaton 2026 is live 🚀 Enter our $30K Ship Kotlin Everywhere Award: build with KMP and compete for a Times Square billboard. Last year a first-ever KMP project took 2nd place. Starter Guide, AI Guide, IntelliJ IDEA Ultimate + Junie access included 👉 kotl.in/d2bs96

✨ Here are three KMP libraries you might have missed for adding useful features to your app: 🔐 KMPAuth https://kotl.in/ag6zae 🌐 compose-webview-multiplatform https://kotl.in/bbm5cd 📅 Calendar https://kotl.in/rbn7xk Don’t miss more useful KMP libraries on Klibs.io 👇 https://kotl.in/92q5pu

Whenever an incident occurred, on-call engineers used to spend a big chunk of their response time just figuring out where to look. GoodData's Kotlin AI agent does that first pass for them and cuts investigation time by about 90%. Read the full story👇 https://kotl.in/gooddata-medium-bluesky

🔥 Your AI agents can now search 4,100+ Kotlin Multiplatform projects. Connect them to klibs.io via MCP or by using a dedicated skill: klibs.io/ai

Márton Braun@zsmb.co · 3w ago

Some cool new features just dropped on https://klibs.io/ai You can now connect your agents with Klibsio using either MCP or a dedicated skill. Check out the page for more info!

🧩 Want to see Kotlin Multiplatform in action? The official samples page brings together practical projects that show different approaches to sharing code, from shared logic with a native UI to shared UIs with Compose Multiplatform. Explore the samples 👇 https://kotl.in/89ghvy

🚀 Know Kotlin? Use your skills to build an app for Android, iOS, desktop, and web. Compete for the Ship Kotlin Everywhere Award at RevenueCat Shipaton 2026. Build between August 1 and September 30, then share your journey to earn extra points 🏆 Learn more 👇 kotl.in/d2bs96

Ship Kotlin Everywhere Award | Shipaton 2026 | Kotlin Multiplatform

Reuse your Kotlin skills to build for Android, iOS, desktop, and web. Join the Ship Kotlin Everywhere Award and get everything you need to build and launch your app.

kotl.in

@revenuecat.com · last mo.

#Shipaton is back! 🚀 Ship a NEW app in August or September & you could win big TLDR: 🏆 Over $1 million worth of prizes 🧑‍🎓 New student category 🔴 Twice a week Livestreams 👥 Shipaton IRL events worldwide Full details at shipaton.com youtu.be/3yPFdwcSiok

🤖 @gooddata_ai used Kotlin to build an AI agent that automates production alert investigations, helping on-call engineers find the likely cause faster and cutting investigation time by ~90%. Check out the link👇 https://kotl.in/gooddata-medium-bluesky

AI on Duty: How We Automated Our Most Boring Job with a Kotlin AI Agent

Do you often read or hear about people developing AI agents in Python? I do. And it often feels like if you want to automate workflows with…

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🔗 Can you share UIs with Kotlin Multiplatform? Yes, you can. Teams can share business logic with Kotlin Multiplatform and UIs with Compose Multiplatform across Android, iOS, desktop, and web where needed. See how UI sharing works in the FAQ 👇 https://kotl.in/9ku7jh

💜 Kodee is more than Kotlin’s mascot. Shaped by community feedback, creativity, and shared values, Kodee has evolved from a mere symbol into the embodiment of Kotlin's inclusive and developer-friendly culture. Discover the story behind Kodee 👇 https://kotl.in/2a3scp

The History of Kodee, Kotlin’s Mascot - The JetBrains Blog

A few years back, the Kotlin team figured it was time their programming language had a mascot – something fun and friendly to make developers feel more at home. After all, so many other programming la

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📊 Building a Kotlin Multiplatform app? Explore libraries for three core needs: 🌐 Ktor – networking https://kotl.in/h8lz90 🧩 Koin – dependency injection https://kotl.in/9a4tbs 🪵 Kermit – logging https://kotl.in/3zcw92 Find more KMP libraries on Klibs.io 👇 https://kotl.in/c26yhw

🔗 Turn your JetBrains IDE usage into a proficiency level you can showcase on LinkedIn. The free LinkedIn Connected Apps plugin tracks the IDE features you use and updates your level automatically over time. Check your level in the status bar and connect via LinkedIn OAuth 👇 https://kotl.in/dnydx0

Backend Development with Kotlin is a new module in the free Programming in Kotlin materials, with both presentation slides and a runnable demo project – from HTTP to Spring Boot and Ktor. Check it out ⤵ https://kotlinlang.org/education

Kotlin for Education

kotlinlang.org

📢 Kotlin 2.4.20-Beta2 is out! Learn more: ➡️ kotl.in/2-4-20-beta2

Upload a photo and turn it into a Kotlin 15th birthday postcard, including party cap, birthday artifacts, and that anniversary look 🎉 Add a birthday wish or prediction for Kotlin's future, and share it with the world. https://kotl.in/2tg8zd

What is Kotlin/Native, and how does it relate to KMP? Kotlin/Native compiles Kotlin code to native binaries that run without a VM. In KMP projects, shared Kotlin code is compiled for each target – to JVM bytecode for Android and native binaries for iOS. Read the FAQ 👇 https://kotl.in/5pane8

Kotlin turns 15 🎂 Thank you for being part of the journey. To mark the milestone, we're inviting the community to celebrate Kotlin's birthday. Create a birthday postcard, or upload your photo and party with Kodee. 🎉 Celebrate with us 🎉 https://kotl.in/effect-blog-bluesky

Kotlin Turns 15: Celebrate the Kotlin Effect - The JetBrains Blog

Kotlin turns 15! Create a birthday postcard, share your wish, and explore more ways to celebrate the Kotlin Effect with the community.

kotl.in

📱 Does adopting Kotlin Multiplatform mean giving up native development? No, not at all – in fact, KMP lets teams share selected parts of the codebase while retaining the advantages of native development. Get more answers in the FAQ 👇 https://kotl.in/22dmzi

Sébastien Deleuze and Josh Long get into Kotlin for backend on the episode of A Bootiful Podcast, including the Kotlin LSP, how closely the Spring and Kotlin teams now work together, and their impressions from KotlinConf 2026. It’s well worth a listen 🎧 https://kotl.in/5fm5x7

💾 Choosing a storage stack for your KMP app? 🗄️ Room 3 https://kotl.in/hmlp1c 🧩 SQLDelight https://kotl.in/mxpxkl ⚙️ Multiplatform Settings https://kotl.in/kjylq9 Room 3 and SQLDelight provide options for structured local data, while Multiplatform settings handle simpler persistent values.

📢 Kotlin 2.4.10 is here! This release brings performance improvements and bug fixes. Changelog: ➡️ github.com/JetBrains/ko...

Misconception check! 🧐 What is the Kotlin Foundation? 1️⃣ A library 2️⃣ A function 3️⃣ An organization 4️⃣ The JVM Reply with your pick. #Kotlin

📌 New to Kotlin Multiplatform? The Basics of Kotlin Multiplatform pathway from Android Developers walks you through adding KMP to a project and using platform-specific APIs, and shows how shared code fits into Android and iOS apps. Start here 👇 https://kotl.in/6nyqaz

📢 Last chance to apply! Applications for the 2026 Kotlin Foundation Grant for Library Authors close tomorrow, July 14. If you’re developing an open-source Kotlin library, tool, or framework – especially in KMP, AI, or LLM development – apply by tomorrow 👇 https://kotl.in/muii75

History check! 📅 When did Google make Kotlin its preferred Android language? 1️⃣ 2017 2️⃣ 2019 3️⃣ 2021 4️⃣ 2023 Careful, there’s an earlier date that trips people up. #Kotlin

Kotlin Multiplatform lets teams choose how much code to share. Start with small shared modules, share business logic while keeping the UI native, or gradually migrate your UI with Compose Multiplatform when it makes sense for your project. Explore KMP flexibility 👇 https://kotl.in/cal3xg

Using Kotlin code from Swift in a KMP project? These libraries help improve the iOS experience: ⚡ KMP-NativeCoroutines – Kotlin coroutines from Swift https://kotl.in/8anota ✨ SKIE – Swift-friendly Kotlin APIs https://kotl.in/pspfwh Explore more on Klibs.io 👇 https://kotl.in/q0h9ia