Improved

• Skip IDE auto-connect when session is already in use by another client
• Slash command timeline entries now include the command name (e.g., "Review", "Plan") for better context

Fixed

• Plugin hook scripts with missing execute permissions now run correctly on macOS
• Custom agent is properly restored when resuming a session where the agent display name differs from its filename

2026-04-04

• New Critic agent automatically reviews plans and complex implementations using a complementary model to catch errors early (available in experimental mode for Claude models)
• Session resume picker correctly groups sessions by branch and repository on first use
• preToolUse hook permissionDecision 'allow' now suppresses the tool approval prompt
• Add notification hook event that fires asynchronously on shell completion, permission prompts, elicitation dialogs, and agent completion

2026-04-03

• Built-in skills are now included with the CLI, starting with a guide for customizing Copilot cloud agent's environment
• MCP OAuth flows now support HTTPS redirect URIs via a self-signed certificate fallback, improving compatibility with OAuth providers that require HTTPS (e.g., Slack)
• /resume session picker loads significantly faster, especially with large session histories

2026-04-02

• SQL prompt tags no longer appear when sql tool is excluded via excludedTools or availableTools
• MCP tool calls display tool name and parameter summary in the timeline
• MCP server reconnects correctly with valid authentication when the working directory changes
• Add PermissionRequest hook to allow scripts to programmatically approve or deny tool permission requests
• Remove deprecated marketplaces repository setting (use extraKnownMarketplaces instead)
• MCP servers load correctly after login, user switch, and /mcp reload
• BYOK Anthropic provider now respects the configured maxOutputTokens limit
• Remove deprecated marketplaces repository setting (use extraKnownMarketplaces instead)

Pre-release 1.0.16-1

Fixed

• MCP servers load correctly after login, user switch, and /mcp reload
• BYOK Anthropic provider now respects the configured maxOutputTokens limit

Removed

• Remove deprecated marketplaces repository setting (use extraKnownMarketplaces instead)

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 (snake_case still accepted)
• Many settings keys now prefer camelCase names (snake_case 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

Improved

• User switcher and /user list display accounts in alphabetical order

New

• Add mcp.config.list, mcp.config.add, mcp.config.update, and mcp.config.remove server RPCs for managing persistent MCP server configuration

Added

• 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

Improved

• 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 (snake_case still accepted)
• Many settings keys now prefer camelCase names (snake_case names still work)

Fixed

• 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

Removed

• Ctrl+D no longer queues a message; use Ctrl+Q or Ctrl+Enter to queue

Fixed

• 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