GitHub Copilot CLI v1.0.15

GitHub Copilot CLI v1.0.15 was released on .

Summary

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 ...

Release Context

  • This was the 60th GitHub Copilot CLI release of 2026 tracked by Havoptic.
  • It shipped 2 days after GitHub Copilot CLI v1.0.14 (March 31, 2026).

Shipped around the same time

Within 3 days of this release, other AI coding tools also shipped:

Compare GitHub Copilot CLI: vs Claude Code · vs OpenAI Codex CLI · vs Cursor · vs Gemini CLI · vs Kiro CLI · vs Devin Desktop · vs Antigravity CLI

Release Notes

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

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