Scala Plugin

This article introduces the notion of highlighting complexity and provides recipes for making your code highlighting-friendly, resulting in faster, more efficient highlighting. Code style is not just for style – it impacts the physical world! The benefits of highlighting-friendly code include: B…

If an error is detected in a file but no one sees it, is it really highlighted? This is a tale about why highlighting only what’s visible is both the strangest and the most reasonable thing to do – and how you can benefit from it. (Enable Settings | Scala | Editor | Highlighting Mode | Incremental…

IntelliJ Scala Plugin 2026.1 Is Out! | Support for build tools | projects in dev containers and WSL | Scaladoc with Markdown | Unified UI/UX for code highlighting

This blog post is available as well as a YouTube video. In Scala 2, Scaladoc used Wikidoc syntax, which has advanced features like templates, categories, and metadata. These are useful for organizing and structuring large volumes of documentation, but they are rarely used in code comments.  …

IntelliJ Scala Plugin in 2025 This is a blog post about the main changes to the Scala Plugin in 2025, the results of the State of Developer Ecosystem Survey, and a few other things.

Scala 3.8 Support in the Scala Plugin: - The `into` modifier - Scala 3.8 requires JDK 17+ - “Better fors” - Basic support for capture checking - The `runtimeChecked` method

Scala Plugin 2025.3 is out! - Support for Scala 3.8 - Better support for macros and export aliases, extension methods, and type lambdas - Structural Search and Replace

Scala Plugin 2025.2 is out! - Opaque types, named tuples, and new tuples operations are fully supported - The new layout for sbt modules is enabled by default - sbt-managed sources are regenerated on project reload - ScalaCLI now picks up new files without requiring a BSP refresh

Scala Plugin 2025.1 is out! The update brings: - Support for the new syntax of context bounds and givens. - Improved handling of named tuples - A new action: "Generate sbt managed sources" - X-Ray hints for apply methods and all parameter names

The Year in Review Time flies. Only a year ago, we saw the release of Scala 3.4.0-RC1, and now we're trying out Scala 3.6.2 with many new experimental features. The last 12 months have brought many new features to the IntelliJ Scala Plugin as well. A year ago we introduced X-Ray mode, which lets …

Scala Plugin 2024.3 is out with : -Support for transparent inline methods (experimental), named tuples, and opaque types -Better handling of Scala CLI projects -A new project model for sbt (beta) -AI multiline code completion

Try out the enhanced sbt integration with IntelliJ Scala Plugin 2024.3 We’re introducing a new mode that better represents the structure of sbt projects in IntelliJ IDEA by organizing main and test sources into separate modules. The improved layout resolves several issues with compilation and highlighting. It also allows using different compiler options for main and test sources.