What's New in IntelliJ IDEA 2025.2

Explore the comprehensive feature updates in this 76-minute IntelliJ IDEA Talk showcasing the latest enhancements in version 2025.2. Discover significant AI improvements including Junie's MCP support, comprehensive Java 25 feature integration, and enhanced virtual threads debugging capabilities. Learn about JSpecify support for improved nullability standards and dive deep into the revolutionary Spring Debugger designed specifically for Spring Boot developers. Examine Spring Modulith support for clean architecture implementation and explore the ongoing Spring and Kotlin collaboration improvements. Experience the enhanced Kotlin Notebook with improved REPL functionality for interactive coding sessions. Understand Maven 4 support preparation for the upcoming major release, discover the new universal entry point eliminating the need for complex keyboard shortcuts, and learn about the groundbreaking single unified distribution that merges Ultimate and Community editions. Gain insights from JetBrains experts through detailed demonstrations and explanations of how these features will enhance daily professional development workflows, with opportunities for live Q&A interaction during the presentation.

Syllabus

0:00 – Introduction
0:50 – AI updates: Junie’s MCP support and other updates.
7:09 – Java 25: Support for the latest Java features.
14:31 – Virtual threads: Improved debugging support.
22:33 – JSpecify: Support for the new nullability standard.
28:09 – Spring Debugger: The most exciting feature for Spring Boot devs!
36:10 – Spring Modulith: Support for clean architectures.
41:01 – Spring + Kotlin: Improvements and ongoing collaboration.
44:16 – Kotlin Notebook: Enhanced REPL for seamless interactive coding.
54:14 – Maven 4: Support for the upcoming major release.
1:03:28 – Universal entry point: No need for keyboard shortcuts.
1:12:17 – Single unified distribution: No more Ultimate and Community editions.