Roo Code 3.18.1 Release Notes (2025-05-22)

This release adds support for Anthropic's latest AI models, fixes documentation display issues, and introduces automated nightly builds through a modernized development infrastructure.

Provider Updates

• Claude 4.0 Models: Added support for Claude Sonnet 4 and Claude Opus 4 models with thinking variants for Anthropic, Bedrock, and Vertex providers (thanks shariqriazz!)

Bug Fixes

• README Display: Fixed README GIF display across all localized versions, ensuring consistent visual guides for users in all 17 supported languages
• Referrer URL: Fixed technical referrer URL issues in documentation links

Development Infrastructure

• Monorepo Migration: Switched codebase to a monorepo structure for improved development workflow
• Automated Nightly Builds: Created automated nightly release system to deliver the latest features and fixes more quickly
• Enhanced Toolchain: Improved build processes and dependency management for better reliability