Early Access Program News

RubyMine Kusunoki EAP: React Support Improved

Hello everyone,

Today is Monday and, as we promised a week ago, the next EAP build is ready for you to download and try: RubyMine Kusunoki EAP (build 142.4245).

We continue the series of blog posts about the major features of the upcoming release: Bundler Support Improvements

React Support Improvements

If you use React for building user interfaces in web applications, you’ll be happy to know about its support improvements.

This includes code completion and navigation for CSS class names:


If you haven’t closed an HTML tag, the IDE will show you a warning:


The Surround with action is now available in JSX files:


Other enhancements and bug-fixes include:

Try the most recent RubyMine build and stay tuned for more blog posts about the EAP features coming soon. The full list of fixed issues can be found in the release notes. Please note that EAP builds are pre-beta software and may contain issues, which we ask you to report to our issue tracker.

Develop with pleasure!
JetBrains RubyMine Team

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