Roo Code 3.9.0 Release Notes (2025-03-18)

This release introduces internationalization, remote MCP connectivity via SSE, text-to-speech, and numerous other improvements.

Feature Highlights

Internationalization: Roo Code now supports 14 languages: Simplified Chinese, Traditional Chinese, Spanish, Hindi, French, Portuguese, German, Japanese, Korean, Italian, Turkish, Vietnamese, Polish, and Catalan. Change language in Advanced Settings > Language. (thanks feifei325!)
MCP Remote Connectivity (SSE): Added support for connecting to remote MCP servers using Server-Sent Events (SSE), complementing existing stdio support. (thanks aheizi!)
Text-to-Speech: Added an option for Roo to provide audio feedback alongside visual responses. Enable in Advanced Settings > Notifications. (thanks heyseth!)
OpenRouter Provider Selection: Added the ability to choose a specific provider when using OpenRouter models via the "Configure Profile" settings. (thanks PhunkyBob!)
Batch History Deletion: Added support for selecting and deleting multiple task history items at once via the "VIEW ALL" history screen. (thanks aheizi!)

Made the terminal shell integration timeout configurable (1-60 seconds) via Advanced Settings to resolve issues with long shell startup times. (thanks filthy, kiwina, KJ7LNW!)
Fixed a race condition that could cause terminal output to hang or not be recognized. (thanks KJ7LNW!)

Improved task deletion when underlying files are missing. (thanks GitlyHallows!)
Improved support for NixOS & direnv. (thanks wkordalski!)
Exposed task stack in RooCodeAPI. (thanks franekp!)
Fixed Human Relay to work on the welcome screen and added internationalization support. (thanks NyxJae!)
Fixed display updating for Bedrock custom ARNs that are prompt routers. (thanks Smartsheet-JB-Brown!)
Fixed exclusion of search highlighting when copying items from task history. (thanks im47cn!)
Fixed context mentions to work with multiple-workspace projects. (thanks teddyOOXX!)
Fixed task history saving when running multiple Roo instances. (thanks samhvw8!)
Fixed wheel scrolling when Roo is opened in editor tabs. (thanks GitlyHallows!)
Fixed file mentions when using the "Add to context" code action. (thanks qdaxb!)
Gave models visibility into the current task's API cost.