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What’s New in IntelliJ IDEA 2026.3

Source: The JetBrains Blog•November 5, 2026 at 11:09 AM

What’s New in IntelliJ IDEA 2026.3

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…

Releases

What’s New in IntelliJ IDEA 2026.3

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
  • 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
  • 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.

to explore all the new features. You can also join us onX, Bluesky, orLinkedIn and share your favorite updates with us.

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