Roo Code 3.13 Release Notes (2025-04-18)

This release cycle brings UI enhancements, a new file operation tool, expanded Gemini model support including Flash and custom URLs, and various bug fixes.

Provider Updates

• Added support for Gemini 2.5 Flash Preview to Gemini and Vertex providers (thanks @nbihan-mediware!).
• Enabled Gemini 2.5 Flash thinking mode (thanks @monotykamary).
• Allowed custom URLs for the Gemini provider.

QOL Improvements

• UI improvements to task header, chat view, history preview, and welcome view (thanks @sachasayan!).
• Made auto-approval toggle on/off states more obvious (thanks @sachasayan).

New Tools

• Added the append_to_file tool for appending content to files (thanks @samhvw8!).

Bug Fixes

• Fixed image support in Bedrock (thanks @Smartsheet-JB-Brown!).
• Made diff edits more resilient to models passing in incorrect parameters.
• Fixed the path of files dragging into the chat textarea on Windows (thanks @NyxJae).

Misc Improvements

• Added telemetry for shell integration errors.