2026-02-11

• Improve authentication error messages in prompt mode
• Quota exceeded error links to Copilot settings with actionable guidance
• Theme picker shows live preview of diffs and markdown, adds colorblind and tritanopia theme variants
• Add /on-air mode to hide model names and quota details for streaming
• Show agent type and description in read_agent timeline entries
• /tasks shows Recent Activity for background agents
• Add experimental alternate screen buffer mode: --alt-screen
• Interactive programs that query terminal state work in shell
• Subagents fall back to session model when default model blocked by policy
• Expose session context in session.list SDK response
• Keyboard shortcut hints display consistently with bold styling throughout the CLI
• Add tools.list RPC to query available built-in tools
• Streaming responses automatically retry when interrupted by server errors
• Add option to approve tool permissions permanently for a location
• Add /instructions command to view and toggle custom instruction files
• Ctrl-b and ctrl-f cursor movement now available on all platforms
• Ctrl+d now favors deleting character after cursor, with queueing moved to ctrl+q (or ctrl+enter)
• Editing MCP servers shows existing configuration values
• --resume creates new sessions with provided UUID
• Add workspace-local MCP configuration via .vscode/mcp.json
• Skill changes from /skills commands take effect immediately
• /session usage string only shows available subcommands
• Slash commands which take prompts now work when immediately followed by a new-line
• Remove unintended characters from status bar
• Autopilot mode works with custom agents that specify explicit tools
• Updated node-pty to fix file descriptor leaks
• Windows slash flags (e.g., dir /B) are no longer treated as file paths
• Diff mode no longer flickers when navigating files
• /mcp disable and /mcp enable show clear error when server name doesn't exist
• MCP servers using Microsoft OAuth configure automatically without manual client ID setup
• Tab cycles modes forward, Shift+Tab backward; shell is now a mode
• Ctrl+P runs slash commands while preserving input (replaces Ctrl+X → /)
• Terminal title works on all TTY terminals, not just select few
• Help text notes auto-update is disabled in CI environments by default
• Terminal tab shows session title when idle
• ask_user tool asks one question at a time for clearer interaction

Added

• Add /instructions command to view and toggle custom instruction files

Improved

• Show agent type and description in read_agent timeline entries
• Ctrl-b and ctrl-f cursor movement now available on all platforms

Fixed

• Subagents fall back to session model when default model blocked by policy
• Editing MCP servers shows existing configuration values

Added

• Add support for gpt-5.3-codex
• Add workspace-local MCP configuration via .vscode/mcp.json

Improved

• MCP servers using Microsoft OAuth configure automatically without manual client ID setup
• Tab cycles modes forward, Shift+Tab backward; shell is now a mode
• Ctrl+P runs slash commands while preserving input (replaces Ctrl+X → /)
• Terminal title works on all TTY terminals, not just select few
• Help text notes auto-update is disabled in CI environments by default
• Terminal tab shows session title when idle
• ask_user tool asks one question at a time for clearer interaction

Fixed

• Skill changes from /skills commands take effect immediately
• /session usage string only shows available subcommands
• Slash commands which take prompts now work when immediately followed by a new-line
• Remove unintended characters from status bar
• Autopilot mode works with custom agents that specify explicit tools
• Updated node-pty to fix file descriptor leaks
• Windows slash flags (e.g., dir /B) are no longer treated as file paths
• Diff mode no longer flickers when navigating files
• /mcp disable and /mcp enable show clear error when server name doesn't exist

2026-02-07

• Add support for Claude Opus 4.6 Fast (Preview)
• Markdown formatting displays in non-interactive mode output
• Display warning when user has no Copilot subscription
• Commands from plugins are now translated into skills
• Add /changelog command to view release notes
• plugin marketplace add accepts URLs as sources
• --no-experimental flag disables experimental features
• CLI interface renders without extra blank line
• /mcp show displays enabled/disabled status for MCP tools
• MCP tool responses now include structured content (images, resources) for richer UI display in VS Code

Added

• Display warning when user has no Copilot subscription
• Commands from plugins are now translated into skills
• Add /changelog command to view release notes
• plugin marketplace add accepts URLs as sources

Improved

• /mcp show displays enabled/disabled status for MCP tools
• MCP tool responses now include structured content (images, resources) for richer UI display in VS Code

Fixed

• --no-experimental flag disables experimental features
• CLI interface renders without extra blank line

Added

• Display warning when user has no Copilot subscription
• Commands from plugins are now translated into skills

Improved

• /mcp show displays enabled/disabled status for MCP tools
• MCP tool responses now include structured content (images, resources) for richer UI display in VS Code

2026-02-05

• Plugin and marketplace names support uppercase letters
• /experimental shows help screen listing experimental features
• Fix SQL tool disconnects
• Plugins can bundle LSP server configurations

2026-02-05

• Add support for claude-opus-4.6 model
• /allow-all and /yolo execute immediately
• MCP servers shut down concurrently for improved performance
• Cancel --resume session picker to start a new session
• MCP server configurations default to all tools when tools parameter not specified
• Add /tasks command to view and manage background tasks
• Enable background agents for all users
• Simplify and clarify /delegate command messaging
• GITHUB_TOKEN environment variable now accessible in agent shell sessions

Added

• Add /tasks command to view and manage background tasks
• Enable background agents for all users

Improved

• Simplify and clarify /delegate command messaging
• GITHUB_TOKEN environment variable now accessible in agent shell sessions

2026-02-04

• Windows Task Manager displays correct application name
• Introduce security check preventing use of modules outside of application bundle
• ACP model info includes usage multiplier and enablement status
• Fix logic checking user organization membership
• Stop MCP servers before updating plugins
• Detached shell processes work on vanilla macOS installations
• Escape key consistently aborts permission dialogs regardless of selection
• Plugin skills work in prompt mode
• Config files preserve custom fields when CLI updates them
• Reasoning summaries enabled by default for supporting models
• Support comma-separated tools in custom agent frontmatter
• Skills with unknown frontmatter fields now load with warnings instead of being silently skipped