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RubyMine 2021.1 Released

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RubyMine 2021.1 is now available! Visit our What’s New page to learn about all the latest features of the first major release of 2021, or check out the biggest highlights below.


RubyMine 2021.1

Ruby 3 RBS support and improved code completion

RubyMine 2021.1 now supports RBS and uses .rbs files in its Code Insight. This means code completion is improved for both Ruby’s standard library and user code with RBS definitions. You don’t even have to use Ruby 3.0 in your project. The only requirement is that you include the RBS gem in it.

Improved completion using RBS

JetBrains Space integration

You can now connect RubyMine to your organization in Space, where you can view and clone project repositories, review your teammates’ code, and write Space Automation scripts.

JetBrains Space integration

Code With Me

Code With Me, a new JetBrains service for collaborative development and pair programming, is now bundled with RubyMine. It allows you to share the project you currently have open in your IDE with others and work on it together in real time.

Code with your peers in CWM

Built-in HTML preview

Preview any changes you make to your HTML, CSS, and JavaScript files right in the IDE. Any changes you make will be immediately saved and the preview will update on the fly.

Built-in HTML preview

See the release notes for the full list of closed tickets, and please let us know if you encounter any issues.

Check out the What’s new page to learn about UI and UX improvements, as well as new features for working with web technologies and frameworks, version control systems, JSON, and more.

Happy developing!
The RubyMine team

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