What’s New in IntelliJ IDEA 2025.2

Welcome to the IntelliJ IDEA 2025.2 release overview. This version brings powerful updates to help you stay productive, write better code, and adopt the latest technologies with confidence. The highlights of this release include:

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The new What’s New

For this release, we’re changing how we present the updates. Instead of listing every tweak and fix, this page now highlights only the most impactful new features. Users rarely scroll past the third screen. By focusing on what matters most, we hope to make it easier for you to catch the updates that actually impact your work.

A separate What’s Fixed post will follow, detailing stability and quality improvements across core areas such as remote development, performance, user experience, and long-standing technical debt.

Next-level AI experience with more control and better context management

Make sure to upgrade to the latest versions of JetBrains AI Assistant (automatically updated with IntelliJ IDEA) and Junie, the JetBrains AI coding agent (go to Settings | Plugins to install Junie). They focus on model flexibility, smarter context management, and MCP support, so you can tailor your AI setup to the specific needs of your project.

Better performance and new capabilities for Junie and AI Assistant:

  • AI Assistant finally delivers AI-powered code completion for SQL, YAML, JSON, and Markdown.
  • AI-powered code completion now suggests code blocks for Java in offline mode and lets you choose your preferred local code completion model. Enjoy smart suggestions anywhere, be it on a plane, off the grid, or in a closed enterprise environment.
  • Junie is now up to 30% faster and works in remote environments.
  • The new Project Rules file lets you define project-specific instructions, for example regarding coding style or framework constraints, to guide AI responses.
  • Select AUTO in the model dropdown menu to delegate the choice to IntelliJ IDEA in order to achieve the best generation quality and optimized cost.

New ways to provide more precise context to the AI:

  • Attach specific tables or views to the AI chat to get much more accurate AI assistance that reflects the actual state of your data structures. This is especially useful in complex, enterprise-scale projects.
  • Attach images in the AI chat to share errors and diagrams without retyping. This feature is currently supported with Anthropic and OpenAI models and will be enabled for others soon.
  • Add folders to the chat context to improve multi-file context for AI conversations, with @ or #.

Support for the MCP in Junie and IntelliJ IDEA 2025.2:

  • Junie now supports the Model Context Protocol (MCP), enabling deeper context awareness and smarter task execution by connecting external tools.
  • IntelliJ IDEA can now act as an MCP server for third-party AI agents. The IDE detects a client on your machine and delivers over 30 built-in tools to enhance AI workflows in a single click. Learn more.

All JetBrains AI features are available for free, with unlimited code completion, powerful local workflows, and limited cloud-based features. Try it now.

Java 25 support for early adopters

Be among the first to adopt the newest tech with IntelliJ IDEA’s support for both final and preview features of Java 25 – the next long-term support (LTS) release. As many developers are expected to migrate from Java 11, 17, or 21, we're making sure the IDE is ready for the transition in advance.

In addition, we've made it possible to download Java 25 Early Access builds directly from the IDE, just like you do for stable releases.

Spring Debugger – the new standard for Spring Boot debugging
Ultimate

Spring Debugger fundamentally improves how developers understand and troubleshoot Spring applications. It integrates real-time runtime insights directly into the IDE. See which beans are loaded or mocked, inspect resolved configuration values with source tracking, and monitor active database connections and transaction states. You can evaluate bean definitions live and trace property values, even when sourced from environment variables or profile-specific configs. Learn more in our dedicated blog post.

To get started, install the plugin from JetBrains Marketplace. No additional configuration is needed beyond running your application in Debug mode. In a future release, Spring Debugger will be bundled with IntelliJ IDEA.

Spring Modulith
Ultimate

Spring Modulith is gaining popularity, and with the 2025.2 version, IntelliJ IDEA Ultimate offers robust support for it, built in collaboration with the Spring Modulith team.

New checks, fixes, and suggestions help manage module dependencies and enforce clean domain boundaries. A warning icon in the code completion popup flags beans from other modules, while a new Logical view lets you explore your Modulith structure at a glance.

This makes it easier to follow DDD principles and build modular, event-driven Spring Boot apps right inside your IDE!

Maven 4 support for early adopters

Maven 4 has been in development for some time, but it is getting close to the general availability release. As part of our commitment to providing early support for cutting-edge technologies, IntelliJ IDEA already allows you to work with Maven 4 projects, so once the stable version arrives, you can switch to it seamlessly. Meanwhile, you can try Maven 4 in your project using one of the latest release candidates, with all the key features you expect: reliable project sync, accurate outputs, full navigation, syntax support for the new modelVersion, and more.

Virtual thread debugging

Virtual threads, introduced in JDK 21 and improved in JDK 24, are a major step forward for Java concurrency. Yet supporting them was an engineering challenge for the tooling developers. IntelliJ IDEA 2025.2 brings important updates for the debugger and thread dump viewer to close that gap.

You can now collect and inspect virtual threads in thread dumps, even when the app is paused or at a breakpoint. The IDE shows what object each virtual thread is locked on, helping you diagnose bottlenecks. To avoid flooding the view, threads with identical stack traces are automatically grouped, making large dumps easier to navigate.

You can also load thread dumps from tools like jstack and jcmd, giving you more ways to analyze performance issues in highly concurrent apps.

Scala support

IntelliJ IDEA 2025.2 introduces full support for Scala 3 opaque types and new generic tuple operations. Opaque types now integrate properly with givens, extension methods, and alias bounds, with improved inference in complex scenarios. Tuple operations like zip, concat, and others are now recognized and supported in completion and type resolution.

The new sbt module layout is now out of Beta and is enabled by default, reflecting sbt main/test scope-specific settings more accurately in the IDE. In addition, project sync now automatically generates sbt-managed source files, reducing red code caused by missing sources and improving the experience with popular sbt plugins.

Learn more about all updates for Scala development in this blog post.

Improved experience when your subscription expires
Ultimate

A new policy ensures a smoother experience when your IntelliJ IDEA Ultimate subscription expires. Even if your subscription renewal is delayed, core Java and Kotlin features remain accessible, allowing ongoing development without immediate disruption. This change helps maintain productivity and supports business continuity when seamless subscription renewal isn’t possible.

Improved database workflows
Ultimate

In IntelliJ IDEA 2025.2, we’ve introduced a major improvement for working with data. Previously, editing data in the results grid was limited to simple SELECT queries. Now, even SELECT statements with JOIN clauses can be edited directly, making it much easier to update related data without writing manual UPDATE statements.

Learn more about these and other database improvements here.

Web development updates
Ultimate

Recent updates enhance web development workflows with better code assistance, smarter documentation, and smoother tool integration. Experimental support for the new TypeScript-Go language server is now available, offering faster and more accurate assistance for TypeScript projects.

Quick documentation includes Web Platform Baseline data, making it easy to check browser support for web APIs without leaving the editor. Bun is also detected automatically and fully configured – from running scripts to installing packages – allowing projects to start with minimal setup.

JSpecify support – a major step toward safer code

Nullability issues remain one of the most common sources of bugs in Java. JSpecify offers a unified, library-based standard for nullability annotations, aiming to bring consistency across libraries, tools, and the language itself. With version 1.0.0 now released and proven effective in large projects like Spring Framework 7, JSpecify is positioned to become the industry standard.

To support the adoption of JSpecify, IntelliJ IDEA now treats its annotations as first-class citizens, on par with our own JetBrains annotations. Thanks to unique static analysis capabilities, IntelliJ IDEA can detect nullability issues even in complex scenarios involving generics and collections. In addition, Kotlin also respects these annotations when analyzing Java code, improving cross-language null safety.

Native Bazel support

Bazel is gaining serious traction, especially in large-scale and enterprise projects. With IntelliJ IDEA 2025.2, we’re proud to introduce native support through the official JetBrains Bazel plugin, now generally available. Bazel becomes a first-class citizen in IntelliJ IDEA, with deep integration for Java, Kotlin, Scala, Python, and Go. You get accurate target-to-module mapping, high performance, and a clear UX, on all operating systems.

If your team relies on Bazel, this release removes friction and aligns perfectly with your development workflows. Learn more in this article.

Stay tuned

Keep an eye out for the upcoming What’s Fixed post to learn more about stability, performance, and user experience improvements in IntelliJ IDEA 2025.2.

Let us know what you think about the new features in this release, as your feedback helps us steer the product so it works best for you.

Update to IntelliJ IDEA 2025.2 now to try out these new features. Don’t forget to join us on X, Bluesky, or LinkedIn, and share your favorite updates on social media. Thank you for using IntelliJ IDEA!