GitHub Copilot CLI v1.0.12

GitHub Copilot CLI v1.0.12 was released on .

Summary

2026-03-26 - MCP servers defined in .mcp.json start correctly when the working directory is the git root - Clipboard copy works correctly on Windows when non-system clip.exe shadows the system one ...

Release Context

  • This was the 57th GitHub Copilot CLI release of 2026 tracked by Havoptic.
  • It shipped 3 days after GitHub Copilot CLI v1.0.11 (March 23, 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

2026-03-26 - MCP servers defined in .mcp.json start correctly when the working directory is the git root - Clipboard copy works correctly on Windows when non-system clip.exe shadows the system one in PATH - /diff view correctly renders all lines when intra-line highlighting is present - Plugin hooks now receive CLAUDEPROJECTDIR and CLAUDEPLUGINDATA environment variables, and support {{projectdir}} and {{plugindatadir}} template variables in hook configurations - Workspace MCP servers are now correctly loaded and visible to the agent - /clear preserves MCP servers in the new session - Model display header shows the active reasoning effort level (e.g. "(high)") next to the model name - /session rename auto-generates a session name from conversation history when called without a name argument - Remove --alt-screen flag and altscreen setting; alt screen is now always enabled - OSC 8 hyperlinks are now clickable in VS Code terminals - PowerShell /flag arguments (e.g., /all, /enum-devices) are no longer mistakenly treated as file paths - Trusted folder access prompts no longer appear incorrectly on Windows OneDrive paths and case-insensitive filesystems - Status line payload includes sessionname field alongside sessionid - @ file picker no longer shows .git directory contents - Scroll position stays in place when the terminal is resized - /yolo path permissions persist after using /clear to start a new session - Emoji characters are selected and highlighted correctly in terminal text selection - Sessions with active work are no longer cleaned up by the stale session reaper - Resume session restores the previously selected custom agent - CLI no longer crashes with out-of-memory errors when running shell commands that produce high-volume output - Pressing Escape multiple times during autopilot cancellation no longer leaves the session stuck - Read .claude/settings.json and .claude/settings.local.json as additional repo config sources - Model picker opens in full-screen view with inline reasoning effort adjustment using ← / → arrow keys - OTEL hook executions are now recorded as span events instead of child spans, reducing trace clutter - User prompt appears in the conversation immediately after pressing Enter - /allow-all (/yolo) now supports on, off, and show subcommands to enable, disable, or check allow-all mode - Ctrl+Y in plan mode opens the most recent research report when no plan exists yet

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