# 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).