The Scala Plugin Blog

It is nigh impossible to compare how much work goes into different releases of IntelliJ Scala Plugin (just as it is with any software). Sometimes, a lot of work results in only a small number of visible changes, while at the same time, it lays out the foundations for many more improvements in the ne…

Over the last year, the JetBrains Education and Research team has been working on a new Scala course for JetBrains Academy. This new course assumes prior knowledge of Scala basics and focuses on the functional programming concepts that Scala can simplify rather than language syntax. To get going wit…

IntelliJ IDEA allows for displaying useful information directly in the editor, next to the code, in the form of inlay hints, that is, text that is slightly different from the actual code, but similar enough to be effortlessly read together with it. You can think of it as augmented code. Yo…

Scala 3 As usual, the new release focused much on improving the Scala 3 support. Especially enums received much attention. The Scala plugin now recognizes that enums cannot be extended and highlights such attempts; annotations and modifiers are now propagated correctly to generated symbols; type…

On September 12 – 14, the Scala Plugin team was in Madrid for the Scala Days conference. JetBrains was a Gold Sponsor for the event and we are very proud of it. We came to Madrid with a booth, merchandise, and a talk about the IntelliJ Scala Plugin. The Scala Plugin has seen a lot of improvements…

Better Scala 3 Support IntelliJ IDEA 2023.2 brings enhanced Scala 3 support, with a focus on providing a streamlined development experience. Notable improvements include fixes for Scala 3 enum highlighting, navigation to enum definitions, and the correct resolution of enum cases in various contex…

Improved support for braceless Scala syntax IntelliJ IDEA can now desugar braceless Scala code properly, and it handles refactorings where the “fewer braces” feature is used. It also supports braceless syntax in worksheets and correctly interprets indentation when you move extensions methods up a…

A full-blown IDE is one of the most complicated applications you can find on an average laptop. This is why we – the Scala plugin team at JetBrains – from time to time receive reports that our product lags in certain situations or works slowly in general. In some of these cases we can help, but in o…

This release has been again focused on Scala 3, but there are also quite a few other improvements. Better Scala 3 support In v2022.3, we’ve introduced a large number of upgrades to provide better Scala 3 support. The IDE now supports parameter untupling and quoted patterns, and it features man…

ScalaCon 2022 has come and gone. It started on Tuesday, October 4, and over the course of 4 days, the audience had the chance to enjoy 21 talks and 2 keynotes. JetBrains was a Gold Sponsor of the event, which meant that we, the Scala Plugin team, had the opportunity to participate, present a lightni…

This release has been again focused on improving Scala 3 support, but there are also a few other improvements. Better Scala 3 support As of v.2022.2, IntelliJ IDEA can read match types from .tasty files, properly parse them, resolve type variables, use them as type arguments, support inspectio…

This release has been focused on improving Scala 3 support. There are also several new features to help with day-to-day Scala programming. Let’s take a closer look: 1. Scala 3 support improvements 2. New Scala project wizard 3. Alias exports 4. Unused declaration inspection 5. Scala debugger upgrad…