JetBrains has announced the Release Candidate stage for Java and Kotlin by IntelliJ IDEA, an extension based on the Language Server Protocol that exports IntelliJ IDEA’s JVM code analysis engine to external editors. First introduced in preview two months prior, the tool targets editors like Visual Studio Code and Cursor, allowing developers to utilize JetBrains' language intelligence outside the company's dedicated IDE suite.
Expanded Feature Set and AI Agent Integration
The Release Candidate represents the final milestone before a formal 1.0 release. JetBrains reports that the extension has surpassed 20,000 downloads across the Visual Studio Marketplace and the Open VSX Registry. Alongside foundational capabilities such as auto-completion, navigation, code inspection, and quick-fixes, the update incorporates project-wide refactoring, DAP-based debugging, and interoperability with Spring tooling. It also adds native build system support for Maven, Gradle, and Bazel, as well as built-in test running.
Beyond standard editor workflows, the language server is designed to support external AI tools. When integrated into Cursor, for example, the Cursor Agent uses the underlying language server to execute semantic code searches, navigation tasks, and project analysis, providing deterministic results for autonomous coding tasks.
Licensing and EAP Transition Timeline
The Release Candidate is available as the final build of the Early Access Program (EAP) and can be evaluated for 30 days without requiring a commercial license.
Once the stable 1.0 release launches, JetBrains plans to transition the extension to a commercial model. New users will receive a 30-day free trial, after which continued use of the Java and Kotlin extension will require an active IntelliJ IDEA Ultimate subscription.
AI-generated editorial illustration; not a documentary photograph.
Source: Java and Kotlin by IntelliJ IDEA: The LSP-Based Extension Reaches Release Candidate
SIGNAL TITANS
Leave a Reply