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KO

VS Code 1.121 Released

·2026.05.21 06:02

Key point

VS Code 1.121 has been released, strengthening the Agents window, BYOK, and preview features.

Details

In VS Code 1.121, the Agents window has been expanded further, and remote agent host support has been added.

Also, BYOK has been improved, so custom endpoints supporting chat completions, responses, and messages formats are available in Insiders.

The key changes are as follows.

  • Model settings: You can specify which model to use for lightweight tasks such as commit messages and title generation.
  • Mermaid preview: Diagrams are rendered directly in the Markdown preview and in notebooks.
  • HTML preview: Local HTML files can be opened in the Integrated Browser without an extension.
  • Terminal optimization: Output compression and background cleanup reduce resource and token usage.

This update focuses on expanding agent workflows and BYOK operability.

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