JetBrains

Koog 1.0 is here! We’ve moved JetBrains’ AI agent framework for Kotlin and Java to a stable core API, ready for production backends.

What’s new in 1.0:
• One-year stability guarantee: No breaking changes to the stable core for at least a year.
• Local AI: Local LiteRT execution on Android devices.
• Better Java interop: A completely redesigned, cleaner API.
• Bring your own HTTP: A newly decoupled transport layer.
• OpenTelemetry for KMP: Deep observability across KMP targets.
• Prompt caching: Anthropic support to reduce latency and token costs.

Learn more: jb.gg/k4lwtj

1 day ago | [YT] | 72

JetBrains

Everyone in tech is racing to add more AI, ship faster, and grow bigger.
Andrew Kelley is doing the exact opposite — and it's working.

Today, we're joined by Andrew Kelley, the creator of Zig. Andrew has spent over a decade building a language used by Ghostty, TigerBeetle, and Uber. He runs it as a nonprofit, funded by donations, with no investors.

What surprised us most is how far he'll go to protect that independence. His project has a total ban on AI. He moved the entire project off GitHub. And after ten years, he still refuses to release version 1.0

We spoke about:

◼️ Why build a new language when C, Rust, and Go already exist?!
◼️ Why ban AI in 2026, when everyone else is racing to use it?
◼️ Why no 1.0 after a decade — and why that's on purpose?
◼️ Would he really turn down $100 million for the project?
◼️ What actually makes Zig better than C?

One thing Andrew said that really stayed with us: the best software isn't built by companies chasing profit, but by people who simply love what they're making.

Whether you agree with his choices or not, this conversation will make you think differently about how software gets built.

Watch the full conversation: jb.gg/andrew-kelley-zig-interview

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1 day ago | [YT] | 334

JetBrains

The Kotlin by JetBrains extension for VS Code is now available in Alpha.

IntelliJ IDEA and Android Studio remain the most complete environments for Kotlin development. But for developers who prefer VS Code, JetBrains now brings official Kotlin language support to that editor too, powered by the Kotlin Language Server.

Since this is an Alpha release, feedback from real projects is especially useful. Tell us what works, what breaks, and what’s missing from your workflow.

Learn more: kotl.in/d7v39o

6 days ago | [YT] | 195

JetBrains

Teaching programming on Udemy, Coursera, LinkedIn Learning, or another platform?

The JetBrains Course Creators Program helps educators integrate their courses directly into JetBrains IDEs.

Students continue learning on your platform while enjoying hands-on practice writing, running, and debugging real code inside professional IDEs used by developers worldwide.

As part of the program, you receive:
• Free access to JetBrains IDEs
• Educational licenses for your students
• Tech support for course creation
• Audience growth opportunities
• Media support on our channels

If you create programming courses – we’d love to work with you.
Apply now: jb.gg/l7vrmd

1 week ago | [YT] | 108

JetBrains

Can running 5 AI agents in parallel actually make you more productive? In the latest Marco Show episode, Mohamed Aboullaite (Spotify backend engineer, Java Champion) explains how Spotify's ChatGPT integration works, what multi-agent coding really looks like day-to-day, and why the foundations of software engineering still matter even as AI tools transform everything.

👉 Watch the episode and join the giveaway: https://youtu.be/6WvoouJ9Mrk

1 week ago | [YT] | 33

JetBrains

In the Kotlin Ecosystem Mentorship Program, mentors and mentees worked together on Kotlin open-source projects to make their first community contributions. Read the blog post for the results, highlights, and the pair going to KotlinConf:
jb.gg/0a13lx

2 weeks ago | [YT] | 93

JetBrains

New Merch Drop!
A lot has changed in how we build, but one thing hasn’t.

The part that really makes things click is still shaped by everything you do outside the work itself – the walks, the brews, the moment when you step away and come back seeing things differently.

That’s still where the good ideas come from. Check out our new merch collection, inspired by life outside the IDE. jb.gg/lifeoutsidetheide

3 weeks ago | [YT] | 2

JetBrains

AI in coding: Exciting? Helpful? Scary? Maybe all three? We want to hear where you stand.

If you want to have your say beyond this post, take part in the 10th annual JetBrains Developer Ecosystem Survey 2026: surveys.jetbrains.com/s3/yc-developer-ecosystem-su…

By participating in the survey, you stand a chance to win a MacBook Pro, Amazon Gift Cards, or subscriptions to JetBrains tools.


What is your main concern about AI in coding?

3 weeks ago | [YT] | 25

JetBrains

Looking to take the next step in your developer career?

Build your Kotlin skills in 11 hours with the Kotlin Professional Certificate course by JetBrains, which is available on LinkedIn Learning.

Complete all four courses, pass the final exam, and earn a certificate you can share on LinkedIn to showcase your Kotlin and multiplatform development skills.

We’d love to hear what you think and see what you build with Kotlin!

kotl.in/kotlin-professional-certificate

1 month ago | [YT] | 158

JetBrains

💡 Helping decision-makers say yes to Kotlin Multiplatform starts with understanding the business value behind it.

This guest post from Touchlab explores how KMP can improve delivery speed, reduce risk, and support a stronger long-term product strategy.

📈 Most organizations that adopt KMP for shared logic see a measurable ROI within three to six months.

Read the post 👉 kotl.in/helping-decision-makers-say-yes-to-kmp

1 month ago | [YT] | 73