GitHub Copilot CLI v1.0.15

2026-04-01 - Remove support for gpt-5.1-codex, gpt-5.1-codex-mini, and gpt-5.1-codex-max models - Copilot mascot now blinks with subtle eye animations in interactive mode - User switcher and /user ...

2026-04-01 - Remove support for gpt-5.1-codex, gpt-5.1-codex-mini, and gpt-5.1-codex-max models - Copilot mascot now blinks with subtle eye animations in interactive mode - User switcher and /user list display accounts in alphabetical order - Add mcp.config.list, mcp.config.add, mcp.config.update, and mcp.config.remove server RPCs for managing persistent MCP server configuration - Add device code flow (RFC 8628) as a fallback for MCP OAuth in headless and CI environments - Add /mcp auth command and re-authentication UI for MCP OAuth servers with account switching support - Add postToolUseFailure hooks for tool errors and make postToolUse run only after successful tool calls - Add /share html command to export sessions and research reports as self-contained interactive HTML files - Autopilot no longer continues after pressing Escape or Ctrl+C to cancel - Keystrokes typed while the CLI is loading are no longer lost - Large tool output preview shows correct character count and up to 500 characters - Add Home/End and Page Up/Page Down navigation to the diff viewer - CLI exits immediately after a session ends instead of waiting up to 10 seconds - Config settings askUser, autoUpdate, storeTokenPlaintext, logLevel, skillDirectories, and disabledSkills now use camelCase names (snakecase still accepted) - Many settings keys now prefer camelCase names (snakecase names still work) - Ctrl+D no longer queues a message; use Ctrl+Q or Ctrl+Enter to queue - MCP servers that are slow to connect no longer block the agent from starting - Pasting images from the Windows clipboard now works in WSL environments