VS Code Insiders build 1.111 release notes covering updates from late February through early March 2026. Key changes include recursive search for Copilot instruction files in subdirectories, a new /troubleshoot slash command for agent mode debugging, custom agent frontmatter support for chat hooks, OpenTelemetry instrumentation for Copilot Chat, MCP Apps file download support, AI CLI terminal profiles getting a dedicated group in the terminal dropdown, improved CJK punctuation rendering, a new foldedLine cursor movement unit, and various chat UI refinements.
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