GitHub Copilot CLI 1.0.74-4 adds Open Plugin Spec v1 and mcp.json support
copilot-cli-release-app[bot] · ghdev · 2026-07-24
GitHub Copilot CLI v1.0.74-4 adds support for Open Plugin Spec v1 manifests and mcp.json, improves subagent timeline attribution, and fixes IDE reconnect and task-history ordering issues.
What changed
- Added support for Open Plugin Spec v1 plugin manifests and mcp.json configuration
- Subagent timelines now indicate whether prompts came from the main agent or another subagent
- IDE integration reconnects more reliably after MCP server reloads or directory changes
- Multi-turn subagent timelines now keep prompt/response order correct after reopening /tasks
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