GitHub Copilot CLI v1.0.17

2026-04-03 - Built-in skills are now included with the CLI, starting with a guide for customizing Copilot cloud agent's environment - MCP OAuth flows now support HTTPS redirect URIs via a self-sign...

2026-04-03 - Built-in skills are now included with the CLI, starting with a guide for customizing Copilot cloud agent's environment - MCP OAuth flows now support HTTPS redirect URIs via a self-signed certificate fallback, improving compatibility with OAuth providers that require HTTPS (e.g., Slack) - /resume session picker loads significantly faster, especially with large session histories