Visual Studio Code 1.121, released on May 20, 2026, introduces several enhancements aimed at improving workflow efficiency and reducing resource waste. Key features include native Mermaid diagram rendering and HTML file previews, eliminating the need for additional extensions, alongside terminal output compression and automatic cleanup of stale processes. The update also enhances model management by allowing users to configure lightweight background tasks with more control and introduces support for remote agent sessions, enabling long-running workflows to persist despite client disconnections. Overall, this release focuses on streamlining the user experience by minimizing clutter and optimizing the performance of agent sessions
Visual Studio Code 1.121.0 released
Visual Studio Code 1.121 trims the fat from agent sessions by compressing verbose terminal output, auto-cleaning stale processes, and locking sensitive prompts away from chat contexts. The editor finally ships native Mermaid diagram rendering and HTML file previews straight out of the box, so developers can ditch those bloated third-party extensions. Model management gets tighter with new settings to route lightweight background tasks like commit message generation to cheaper or faster models, while remote agent support lets long-running workflows survive client disconnects. It is a practical update that focuses on keeping the interface lean and giving users actual control over how AI tools consume resources.
