# Roo Code 3.15.0 Release Notes (2025-04-30) This release introduces prompt caching for Google Vertex, improved terminal command handling, UI/UX enhancements, and several other improvements and bug fixes. ## Prompt Caching for Google Vertex * Added prompt caching capabilities to the Google Vertex provider for potentially faster and more cost-effective responses (thanks ashktn). ## Improved Terminal Command Handling * Implemented a [fallback mechanism](/features/shell-integration#command-execution-fallback) for executing terminal commands if VSCode terminal shell integration fails. * Added the ability to stop commands directly from the chat UI. ## Settings Import/Export * Roo Code settings can now be imported directly from the welcome screen (thanks julionav). * Fixed importing & exporting of custom modes (thanks julionav). ## QOL Improvements * Improved the UI/UX of code snippets in the chat (thanks KJ7LNW). * Adjusted chat view padding to accommodate small width layouts (thanks zhangtony239). * Simplified and streamlined Roo Code's [quick actions](/features/code-actions). * Improved the auto-approve toggle buttons for some high-contrast VSCode themes. * Offloaded expensive count token operations to a web worker for better performance (thanks samhvw8). * Improved support for multi-root workspaces (thanks snoyiatk). * Improved the performance of mode switching (thanks dlab-anton). ## Bug Fixes * Fixed file mentions for filenames containing spaces. * Fixed importing & exporting of custom modes (thanks julionav). ## Provider Updates * **Google Vertex:** Added prompt caching (thanks ashktn). * **OpenAI Compatible:** Added a reasoning effort setting (thanks mr-ryan-james). ## Misc Improvements * Removed unused types (thanks wkordalski).