The JetBrains Blog

The Kotlin 2.2.20 release is out! This version delivers important changes for web development and other improvements. Learn more!

Starting with version 2025.2.1, CLion now supports Junie, the AI coding agent by JetBrains, thanks to an integration that is currently in Beta. Developers working on embedded systems, projects written in C or C++, or performance-critical software can now experience the full benefit of Junie’s pro…

You have probably seen this picture occasionally and wondered what is happening with your IDE and why it freezes! This is a tricky question, and many types of bugs and performance issues may lead to UI freezes. JetBrains IDEs are built on top of a UI framework (the Java AWT) that uses a single th…

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The Model Context Protocol (MCP) is an open standard introduced by Anthropic. Think of it as a USB-C port for AI: a consistent way to plug the AI models your AI agent uses into specific tools and data sources. You can connect Junie, the AI coding agent by JetBrains, to a wide variety of official…

This month’s Java Annotated Monthly comes with a fresh mix of Java, Kotlin, AI, and tech news, plus a look at some great events you won’t want to miss.

Improve developer experience with static code analysis. Developer experience is not only about nice editors and fast build times. It is about reducing friction so developers can focus on solving problems rather than fighting with tools. Among the most effective developer experience tools availab…

We’ve just released the first bug-fix update for 2025.2. This build brings important fixes and quality improvements to both ReSharper and Rider, along with some targeted performance optimizations. If you haven’t upgraded to the 2025.2 versions of our products, we highly recommend that you check o…

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With Kotlin 2.2, a new default rule makes annotations land where developers expect them to, reducing boilerplate and aligning better with popular frameworks.

The Package Checker plugin in JetBrains IDEs and Qodana just got a significant upgrade! We’ve enriched the data provided by Mend.io, giving it even more information to draw on when checking your code for vulnerabilities.