Overview: What are extension members? Extension members allow you to define additional members for existing types without modifying their definitions. With them, you can add functionality to existing types you don’t have access to or don’t control, for example, built-in types or types from an API or commercial library. …

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Has your team’s sprint velocity actually improved since you approved all those AI coding tools? If not, recent research by JetBrains and UC Irvine shows your developers may be facing a new dimension of context switching that resists the usual fixes. The key findings were that most AI-assisted developers switched in and …

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We’ve just released the next minor update for IntelliJ IDEA 2025.3 – v2025.3.3. You can update to this version from inside the IDE, using the Toolbox App, or using snaps if you are a Ubuntu user. You can also download it from our website. Here are the most notable updates: To find out more details […] Link to article: …

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Go developers can now confidently write modern Go code using the AI agents Junie and Claude Code. We at JetBrains have just released a new plugin with guidelines for AI agents that ensure they use the latest features and follow best Go practices compatible with your current version of Go, as specified in go.mod. You …

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Let’s call a spade a spade. Some enterprises are already using AI agents, but very few can explain their impact on business performance. Metrics such as DORA, SPACE, and developer experience indicators captured through third-party platforms offer insight into delivery velocity and developer quality of life, but it is …

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Today we’re rolling out another bug-fix update for your TeamCity 2025.11 On-Premises servers. This update addresses a number of issues, inlcuding: All TeamCity bug-fix updates include performance and security improvements, so we recommend that you never skip these minor updates. See TeamCity 2025.11.3 Release Notes for …

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At JetBrains, we aim to make Kotlin development as accessible and efficient as possible across the entire ecosystem. While IntelliJ IDEA remains the premier IDE for Kotlin, we recognize that many developers use Visual Studio Code for a variety of tasks and projects. To help streamline the transition from Java to Kotlin …

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Learning to code in an online course can feel like hitting a wall again and again, without much help moving forward. Our research team wanted to change that. That’s why our Education Research team built an AI-powered hints tool that doesn’t just point out errors but helps students understand them. As described in our …

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If you’ve read the blog post How to Build Chatbots With LangChain, you may want to know more about LangChain. This blog post will dive deeper into what LangChain offers and guide you through a few more real-world use cases. And even if you haven’t read the first post, you might still find the info […] Link to article: …

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KotlinConf 2026 is starting to take shape, and there’s a lot happening across the Kotlin ecosystem right now. From the first conference speakers and community awards to new releases, tools, and real-world Kotlin stories at serious scale, I’ve gathered all the highlights you won’t want to miss. Let’s dive in! From …

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We’re continuing to modernize our IDEs, and in this update we’ve refreshed something you interact with constantly – the editor. These changes are designed to provide improved comfort, a cleaner look, and a more enjoyable experience during the hours you spend coding. We want to make the editor easier on the eyes, help …

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Disclaimer: This article was created using AI-based writing and communication companions. With its help, the core topics of this rich and nuanced livestream were conveniently distilled into a compact blog post format. In our yet another JetBrains livestream, Vitaly Bragilevsky was joined by Carl Lerche, the creator of …

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Modern data teams need flexibility and scalability as workflows evolve and AI becomes central to analytics. They are increasingly relying on AI to enable self-service analytics and accelerate data workflows, and it has become essential to establish shared business logic and context that both humans and AI systems can …

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AI tools have become a core part of modern software development. Developers rely on them throughout the life cycle, from writing and refactoring code to testing, documentation, and analysis. Once experimental add-ons, these tools now function as everyday assistants and are firmly embedded in routine workflows. But why …

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