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What’s New in IntelliJ IDEA 2026.3

JetBrains Blog Developers & Open Source Score 7/10

Summary

IntelliJ IDEA 2026.3 is here! This version brings you Air, as well as an extension for Cursor and VS Code, debugging improvements, and support for the latest technologies in the Java ecosystem. You can download the latest release from our website or update to it directly from inside the IDE, via the free Toolbox App, […]

Original Text

IntelliJ IDEA 2026.3 is here!

This version brings you Air, as well as an extension for Cursor and VS Code, debugging improvements, and support for the latest technologies in the Java ecosystem.

You can download the latest release from our website or update to it directly from inside the IDE, via the free Toolbox App, or using snap packages for Ubuntu.

As always, the complete list of key updates and demos is collected on our What’s New page. Make sure to explore it!

Explore the What’s New page

In addition, our developer advocates gathered to record a walkthrough video covering all the most exciting features in the latest release.

Here are the key highlights of this release:

JetBrains Air – a new layer for agentic development

IntelliJ IDEA’s Java and Kotlin for Cursor and VS Code extension

Debugging improvements: ij-debugger agent skill

Hibernate debugger

Spring Security diagnostics in HTTP responses

Spring cache support in Spring Debugger [coming 2026.3.1]

AppGlass

Support for the latest technologies: Java 28

Jakarta Persistence 4 and Hibernate 8 support

Scala updates

Kotlin support for Spring Modulith

Quick tasks and edits without opening a project

Git worktrees for parallel work and easy code reviews

Version 2026.3 also brings a wide range of stability, performance, and usability improvements across the platform. You can find the full details in our dedicated What’s Fixed blog post.

We’d love to hear what you think about the new features in this release. Your feedback helps us continue improving IntelliJ IDEA so it works even better for you.

Update to IntelliJ IDEA 2026.3 to explore all the new features. You can also join us on X, Bluesky, or LinkedIn and share your favorite updates with us.

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