RubyMine

Smarter AI-assisted workflows; new experimental symbol-based language modeling engine, that boosts performance; stable remote development support, and more.

RubyMine's Rails Toolset shows how to design LLM-friendly MCP tools, covering pagination, filtering, overcoming context limit, and AI assistant constraints.

Ruby marks its 30th anniversary alongside the release of Ruby 4.0!

The RubyMine team will be stopping by r/jetbrains on December 11 from 1–5 pm CET and doing an Ask Me Anything (AMA) thread. You're invited to join us! This isn’t a product launch or a marketing campaign – it’s a chance to have an open conversation about RubyMine and the challenges you face as a R…

RubyMine 2025.3 is out! This blog post briefly goes over the highlights of the latest release. For a detailed description, check out our What’s New page.  You can get the new build from our website or via the free Toolbox App. AI Assistant Multi-agent experience: Junie and Claud…

RubyMine, a JetBrains IDE for Ruby and Rails, is now free for non-commercial use! Learn more in the blog post.

In this post, we'll investigate how the byebug and debug gems work internally, show RubyMine’s debugger architecture, and figure out which debugger is the fastest.

RubyMine 2025.2 is out! In this blog post, we briefly go over the highlights of this release. For a detailed description, check out our What’s New page.  You can get the new build from our website or via the free Toolbox App. AI Assistant JetBrains AI Assistant has received a ma…

In this post, we’ll explore the main technologies behind Ruby debuggers — TracePoint, Instruction Sequence, and Ruby’s C-level debugging APIs.

Hello everyone! The RubyMine 2025.2 Early Access Program is already available! In this blog post, we’ll share the upcoming features and updates planned for this release cycle. What’s coming in RubyMine 2025.2? Debugger improvements We're introducing a number of changes aimed at enhan…

Junie, a powerful AI coding agent from JetBrains, is available in RubyMine! Install the plugin and try it out now! Why Junie is a game-changer Unlike other AI coding agents, Junie leverages the robust power of JetBrains IDEs and reliable large language models (LLMs) to deliver exceptional resu…

RubyMine 2025.1 introduces a massively upgraded AI Assistant (code completion for RBS, offline mode, more models available, and other features), support for the latest Kamal version, debugging for multi-module projects, and significantly improved remote development. Below is a brief overview of t…