Copilot CLI 1.0.21: MCP Servers & Memory Fixes
Copilot CLI 1.0.21 adds MCP server management, cuts memory usage, and fixes UI glitches in the timeline, spinner, and login flow.
TL;DR
- New
copilot mcpcommand for managing MCP servers - Memory usage reduced by auto-shutting down unused shell sessions
- UI polish: spinners, timeline, slash command picker, and login flow all fixed
New
- MCP server management —
copilot mcpcommand lets you configure and manage Model Context Protocol servers directly from the CLI.
Fixed
- Spinner no longer appears stuck during long-running async shell commands.
- Enterprise GitHub URL input in login flow now accepts keyboard input and submits on Enter.
- Slash command picker no longer flickers or shifts while filtering.
- Timeline no longer goes blank when content shrinks after cancellation or tool completion.
- Plan mode timeline now displays user text without redundant "Plan" prefix.
- PascalCase hook event names now receive VS Code-compatible snake_case payloads with
hook_event_name,session_id, and ISO 8601 timestamps.
Performance
- Memory usage reduced by automatically shutting down shell sessions that are no longer needed.
Update with: npm install -g @github/copilot-cli@latest
Source: Copilot CLI
