2.4.0.1 release notes
2.4.0.1 As noted in the previous release notes, starting with 2026.1, free JetBrains IDEs now include first-class language support for JavaScript, TypeScript, and CSS (i.e., without an active JetBrains subscription). Also as stated previously, the main things that are notably missing are the JavaScript debugger and Jest support, but I've addressed those omissions in IC. A demonstration of these features is available here . Note that the items described below are only available in free JetBrains 2026.1+ IDEs. All commercial JetBrains IDEs already have their own versions of the same features, and they will not work with earlier free JetBrains IDEs because they build on the 2026.1+ IDEs' free JavaScript and TypeScript support. Users pairing IC with a free JetBrains IDE are strongly encouraged to use 2026.1+ going forward. With that preface out of the way, IC now includes first-class ...