Kotlin by JetBrains

The Ktor roadmap for 2025–26 is here! Explore what’s next 👉 blog.jetbrains.com/kotlin/2025/09/ktor-roadmap-202…

Here are a few highlights we'll be working on:

🔶 API docs (OpenAPI is already in preview)
🔶 WebRTC Client with a Multiplatform API
🔶 Integration with Koog, the @jetbrains.com framework for building AI agents

And more!

3 hours ago | [YT] | 27

Kotlin by JetBrains

🎉 Compose Multiplatform for web goes Beta in the 1.9.0 release! 🎉
kotl.in/cmp190-you

Now is the perfect time to bring your Compose code and skills to the browser with minimal effort. Extend your apps beyond mobile and desktop to the web.

🧑‍💻 Learn more in our latest blog post: kotl.in/cmp190-you

1 day ago | [YT] | 155

Kotlin by JetBrains

Kotlin for full-stack development is growing, and the learning resources are evolving with it🔖

A great example is Philipp Lackner's new 56-hour course: build a full KMP chat app (Android/iOS/Desktop) + Spring Boot backend. pl-coding.com/full-stack-bundle?utm_source=jetbrai…

The 30% launch discount ends today!

2 days ago (edited) | [YT] | 172

Kotlin by JetBrains

📢 Kotlin DataFrame 1.0.0-Beta3 is out!

This update brings Parquet and DuckDB support, better compile-time schema tracking via the Compiler Plugin, and a big refresh of docs and examples. 🔗 Read the full release notes: kotl.in/w2eq2c?utm_campaign=server-side&utm_source…

Here are the highlights:

✅ NEW: Read data directly from Parquet files

✅ NEW: Read data from DuckDB databases

✅ Docs: Major updates across the board – setup guides, plugin usage, data sources, FAQs, and more

✅ Examples of usage: Android, Apache Spark + Parquet, Hibernate, Exposed & more

✅ Improvements to format to HTML

✅ Compiler plugin improvements for better schema tracking at compile time

📚 Learn more: kotlin.github.io/dataframe/

🌟 Examples: github.com/Kotlin/dataframe/tree/master/examples

5 days ago | [YT] | 153

Kotlin by JetBrains

🎥 New livestream!

“Your Voice Belongs Here: Creating Compelling KotlinConf Proposals”

This supportive session is designed for people from underrepresented groups in tech who already have some speaking experience and want to take the next step.

Join Pamela Hill and Cheuk Ting Ho as they share practical tips, encouragement, and a no-gatekeeping approach to crafting outstanding proposals.

💡 Let’s get your KotlinConf talk ready – because your voice belongs here!

🗓️ Save the date: info.jetbrains.com/kotlin-livestream-october14-202…

1 week ago | [YT] | 59

Kotlin by JetBrains

📣 The KotlinConf'26 Call for Speakers is OPEN! 📣

Share your Kotlin expertise with the world – server-side, web, desktop, mobile, machine learning and AI, frameworks, libraries, and more! Submit your proposal and get a chance to speak at the year's biggest Kotlin event!

🔗 Submit your talk: sessionize.com/kotlinconf-2026/ 🔗

1 week ago | [YT] | 61

Kotlin by JetBrains

🎉 Ktor 3.3.0 has been released!

Check out the changelog for a full list of updates: 👉 ktor.io/changelog/3.3/?utm_campaign=server-side&ut…

1 week ago | [YT] | 204

Kotlin by JetBrains

Too late for the biggest mobile hackathon in the history? Nope. ⏳
With Kotlin Multiplatform + Junie, you can ship a killer app in just a couple of focused weeks.
🎁 A share of a $350k+ pool, with a special $55k prize from us for the best KMP app.
Go build: jb.gg/dsloe4

1 week ago | [YT] | 145

Kotlin by JetBrains

Join Kotlin Heroes: Episode 13 today! codeforces.com/contests/2141,2142

And if you’d like to see how the top competitive programmers approach these challenges, check out ecnerwala and SecondThread solving problems from this practice round live on stage at the ICPC World Finals in Baku ⤵

1 week ago | [YT] | 7

Kotlin by JetBrains

🚀 Check out this quick demo by Sebastian Sellmair on using Skiko for high-performance image processing!

Skiko brings the power of the Skia graphics library to Kotlin with APIs and rendering context support.

🎥 Watch the full video: https://youtu.be/bsaqV83LqxI?si=rpcIh...

2 weeks ago | [YT] | 20