copilot

Copilot CLI v0.0.412: Accessibility & MCP Fixes

Copilot CLI 0.0.412 brings screen reader accessibility fixes, MCP schema validation improvements, cross-session memory (experimental), and Windows terminal editor support. Memory leaks and antivirus issues resolved.

TL;DR

Screen reader accessibility improvements across help, agents, and instructions pickers
MCP servers with invalid schemas no longer lose all tools; config errors now warn instead of crash
New `/mcp reload` command, cross-session memory (experimental), and terminal editor support on Windows
Memory leaks in alt-screen mode fixed; Windows antivirus quarantine issues resolved

New

/mcp reload — Reload MCP configuration without restarting the CLI
Cross-session memory (experimental) — Ask about past work, files, and PRs across sessions
Terminal editor on Windows — Edit plans with ctrl+y and prompts with ctrl+x ctrl+e
User-level instructions — Support for ~/.copilot/instructions/*.instructions.md files across all repos
/update command — View changelog and update instructions directly in CLI
Plain markdown command files — No YAML frontmatter required; name and description auto-derived
--bash-env flag — Source BASH_ENV in shell sessions
Skills disable-model-invocation — New frontmatter field to control model invocation in skills

Fixed

Screen reader accessibility — Tab labels now screen reader-friendly; help commands grouped and reordered for clarity
MCP schema validation — Servers with invalid tool schemas no longer lose all tools
Config file errors — Syntax errors now show warnings instead of silently crashing
Alt-screen memory leak — Eliminated increasing memory consumption during long sessions
Windows antivirus issues — Native prebuilds now signed with Authenticode to prevent quarantine
Windows slash flags — xcopy /E /I no longer treated as file paths
Windows terminal errors — Spurious error messages no longer appear in terminal
Banner flash — Eliminated character flash on startup when banner is disabled
Session picker performance — Opens instantly without loading flash when multiple sessions exist
Text selection spillover — Timeline text selection no longer spills into prompt area
AskUser prompt help — Typing ? no longer triggers quick help overlay
Mouse event fragments — Coordinate fragments no longer appear in input field
SQL tool timeline — Improved timeline entry formatting

Improved

Pickers in alt-screen mode — Instructions and skills pickers now open as full-screen alt-screen views
/fleet orchestrator — Validates subagent work and dispatches more subagents in parallel for faster execution
Custom agents visibility — Agents with user-invocable: false now hidden from /agents picker
/reset-allowed-tools — Can now run during agent execution
MCP error messages — Now include the server name for easier debugging
ctrl+x / shortcut — Restored as alternate way to run commands while preserving input
/clear command — Now preserves agent mode (autopilot, plan, or interactive)
Double-click and triple-click — Word and line selection now supported in alt-screen text selection
LSP configuration — Configure server request timeouts in lsp.json