IntelliJ IDEA 2026.1 Is Out! | The IntelliJ IDEA Blog

IntelliJ IDEA 2026.1 has been released, featuring a host of new capabilities and enhancements aimed at improving the coding experience for developers. This update introduces built-in support for various AI agents like Codex and Cursor, along with first-class improvements for Java, Kotlin, and Spring. It also offers seamless support for new languages and tools from the outset, such as Java 26 and Kotlin 2.3.20, and enhances productivity with features like expanded command completion and better performance for large-scale TypeScript projects. The release includes a native Dev Container workflow, allowing developers to work with containerized projects as if they were local. Stability, performance, and usability improvements are also part of version 2026.1, and users are encouraged to provide feedback to shape future updates.