IntelliJ IDEA 2025.1 Release: AI Assistant Integration and Java 24 Support
IntelliJ IDEA 2025.1 launches with full Java 24 support, Kotlin K2 as the default mode, and a unified JetBrains AI Assistant that adds smarter code completion, multi‑file chat editing, and cloud models like GPT‑4.1, while also delivering enhanced debugging, a revamped terminal, improved framework tools, native Gradle daemon configuration, and richer Git integration.