What’s New In IntelliJ IDEA 2026.1

In this video, Marco Behler, Anton Arhipov, Siva Prasad Reddy K and I show you what’s new in the IntelliJ IDEA 2026.1 release.

Chapters

• 00:00 Intro
• 00:43 AI updates
• 11:00 Support for JavaScript and TypeScript without an Ultimate subscription
• 14:00 Java 26 support
• 18:18 Command completion updates and tips & tricks
• 24:00 Debugger improvements
• 26:25 Git worktrees
• 30:50 Spring Data improvements
• 34:47 Spring Debugger
• 42:07 Better Kotlin Spring Routing DSL & Bean Registrar support
• 47:54 Improvements for Kotlin development with JPA
• 53:34 New Kotlin language features
• 58:34 Gradle best practicies
• 1:02:04 Streamlined Kubernetes workflows

Links

• What’s New in IntelliJ IDEA 2026.1
• What’s fixed in IntelliJ IDEA 2026.1

AI

• Codex Is Now Integrated Into JetBrains IDEs 
• Cursor Joined the ACP Registry and Is Now Live in Your JetBrains IDE 
• ACP Agent Registry Is Live: Find and Connect AI Coding Agents in Your JetBrains IDE 
• Agent Client Protocol (ACP) in JetBrains IDEs 
• Model Context Protocol (MCP) in JetBrains IDEs 

Unified distro: JavaScript/TypeScript

• The Unified IntelliJ IDEA: More Free Features, a Better Experience, Smoother Flow 
• Core JavaScript and TypeScript Features Become Free in IntelliJ IDEA

Java 26

• Java 26 in IntelliJ IDEA
• Learning modern Java the playful way

Spring data improvements

• Spring Data JDBC Made Easy with IntelliJ IDEA 

Spring debugger improvements

• Spring debugger documentation 
• Spring Boot Debugging – Now Remote 

Kotlin

• How to Avoid Common Pitfalls With JPA and Kotlin
• What’s new in Kotlin 2.3.0
• IntelliJ IDEA’s New Kotlin Coroutine Inspections, Explained 

Gradle best practices

• Gradle Best Practices – A Path to Build Happiness
• Best Practices for Authoring Gradle Builds
• https://github.com/mlvandijk/gradle-best-practices