🗓️ Weekly Recap: Copilot CLI – 5 Releases and 60 Improvements (Mar 28 – Apr 4)

This week has been especially busy for the Copilot CLI team, with 5 releases and an impressive 60 new features, enhancements, and bug fixes. Here’s a summary of the most important updates and improvements.

Top Features

BYOM Model picker now correctly overrides the --model flag for the session
Device code flow (RFC 8628) for MCP OAuth in headless and CI environments
New /mcp auth command and re-authentication UI with account switching support
New MCP server RPCs: mcp.config.list, mcp.config.add, mcp.config.update, mcp.config.remove for persistent MCP server configuration
/share html command to export sessions and research reports as interactive HTML files
MCP tool calls now display tool name and parameter summary in the timeline
MCP server reconnects correctly with valid authentication when directory changes
Deprecated models removed: gemini-3-pro-preview, gpt-5.1-codex, gpt-5.1-codex-mini, gpt-5.1-codex-max
Copilot mascot now has subtle blinking eye animations in interactive mode ✨
User switcher and /user list now display accounts alphabetically
SQL prompt tags no longer appear when the sql tool is excluded via config
PermissionRequest hook added for script permission control

Enhancements

CLI startup time reduced by parallelizing terminal detection, auth, and git operations ⚡
Lower CPU usage during streaming by optimizing spinner rendering and polling
CLI starts faster due to V8 compile cache
MCP registry lookups more reliable with automatic retries and timeouts
Clipboard copy on native Windows no longer includes stray characters
Pasted images from Windows clipboard now work in WSL environments
Large tool output preview shows correct character count
Home/End and Page Up/Page Down navigation added to diff viewer
Many config settings now prefer camelCase names; snake_case still supported
Added postToolUseFailure hooks for improved error handling
Shell processes are cleaned up properly when session ends
Microsoft Entra ID auth no longer shows consent screen repeatedly
Prompt reasoning effort setting now applies correctly with BYOM providers
Split $BROWSER variable on spaces to handle multi-word paths
Slow MCP servers no longer block agent startup
Ctrl+D no longer queues messages; use Ctrl+Q or Ctrl+Enter instead
Keystrokes no longer dropped when typing quickly in elicitation dialogs

Bug Fixes

Images now correctly sent to Anthropic models
Terminal output no longer clears or jumps on error exit
Shift+Enter inserts newline in terminals with Kitty keyboard protocol support
Show underlying error details when Git marketplace URL clone fails
Temp file operations no longer trigger unnecessary macOS permission prompts
Ensure clear error messaging when using classic Personal Access Tokens
Fixed --config-dir being ignored when resuming sessions
MCP servers blocked by allowlist policy now hidden from /mcp show
Pasted text no longer corrupted when mouse support is active
Uninstalling marketplace plugins removes cached data from disk
Grep and glob search results return promptly when timeout reached
MCP server OAuth authentication works correctly in ACP mode
Ctrl+C or Escape now cancels Autopilot instead of continuing
Keystrokes typed during CLI load no longer lost
CLI exits immediately after session ends
MCP server reconnects properly with valid authentication when directory changes
Fixed grep tool handling large files and long lines without OOM
Clipboard copy on Windows no longer includes stray U+FEFF character
MCP servers blocked by allowlist policy hidden from server lists

With these updates, Copilot CLI is faster, more stable, and even easier to use – for both developers and teams working with MCP servers and advanced workflows.