RubyMine 2025.3 launches AI chat, smarter Rails server and faster project load

RubyMine 2025.3 introduces multi-agent AI chat capabilities, integrating Junie and Claude Agent for advanced in-editor assistance. The release also debuts a Rails-aware MCP server, enabling smarter AI-assisted code exploration for Rails projects. Developers will benefit from faster multi-module project startups and improved gem resolution accuracy, alongside enhanced code completion for qualified constants.