2026-04-23

• Slash commands support tab-completion for arguments and subcommands
• Shell escape commands (!) now use your $SHELL when set, instead of always invoking /bin/sh
• Permission prompts appear correctly in remote sessions for the CLI TUI
• Session selector shows branch names, idle/in-use status, and has improved search with cursor support
• Model change notification shows both the previous and new model name
• /update and /version commands now honor your configured update channel
• Session sync prompt uses clearer labels and explains GitHub.com cross-device sync
• Support COPILOT_GH_HOST environment variable for GitHub hostname, taking precedence over GH_HOST
• Press Ctrl+Y (in addition to Tab) to accept the highlighted option in completion popups (@-mentions, path completions, slash commands)
• Add /session delete, delete , and delete-all subcommands, and x-to-delete in the session picker
• MCP server names with spaces and special characters are now supported
• Skill slash commands (e.g. /skill-name) passed as the initial prompt via -i are recognized correctly on startup
• Shell completion notifications are not duplicated when read_bash already returned the result
• --continue prefers resuming sessions from the current working directory instead of the most recently touched session
• Status line script now includes context window fields that match the model badge and /context output
• User settings are now stored in ~/.copilot/settings.json, separate from internal state in config.json
• Name sessions with --name and resume them by name with --resume=
• Configure Copilot agent now has shell access on Windows
• Show a helpful error message with install instructions when clipboard utilities (wl-clipboard or xclip) are missing on Linux
• LSP server entries in lsp.json support configurable spawn, initialization, and warmup timeouts
• Context window indicator in the statusline is now hidden by default
• Move MCP OAuth into the shared runtime flow and clear associated OAuth state when removing an MCP server.
• Added a GitHub-style contribution graph to /usage that adapts to terminal color mode and falls back to distinct glyphs in no-color terminals
• Self-correcting custom tool calls in agentic loop
• Cursor movement, deletion, and rendering work correctly for emoji and multi-codepoint characters in the text input
• Tool availability detection works correctly on Windows
• Session token expiry during a turn is handled automatically without requiring you to resend your message
• Initial tab and arrow key navigation in /cwd and /add-dir path picker selects the correct item
• Transient I/O errors no longer appear as red error entries in the timeline when an IDE or extension disconnects
• Custom agents and skills in ~/.claude/ are no longer incorrectly loaded as Copilot project config
• Login command restores interactive input correctly after authentication
• Improve rendering performance when displaying large amounts of text in the timeline
• Sync task calls block until completion under MULTI_TURN_AGENTS instead of auto-promoting to background after 60s; sync no longer returns a reusable agent_id, use mode: "background" for follow-ups
• Tab navigation supports Home/End keys to jump to first and last tab
• Plugins take effect immediately after install without requiring a restart
• Add continueOnAutoMode config option to automatically switch to auto model on rate limit instead of pausing
• Auto mode no longer fails with an error when switching to a model that doesn't support the configured reasoning effort
• Pattern-specific instruction files (.github/instructions/*.instructions.md) no longer include their full body in the system prompt on every session
• Extension shutdown errors no longer appear as error-level log noise on every session exit
• LSP refactoring tools now register correctly on the first turn when LSP configs are present
• Add HTTP hook support, allowing hooks to POST JSON payloads to a configured URL instead of running a local command
• Hide subagent thinking from the timeline
• Custom agent name is now visible in the statusline footer and can be toggled via /statusline
• Pressing Escape on startup dialogs no longer causes race conditions
• grep and glob tools now accept multiple search paths

Improved

• Session sync prompt uses clearer labels and explains GitHub.com cross-device sync

Added

• Support COPILOT_GH_HOST environment variable for GitHub hostname, taking precedence over GH_HOST
• Press Ctrl+Y (in addition to Tab) to accept the highlighted option in completion popups (@-mentions, path completions, slash commands)
• Add /session delete, delete , and delete-all subcommands, and x-to-delete in the session picker

Improved

• --continue prefers resuming sessions from the current working directory instead of the most recently touched session
• Status line script now includes context window fields that match the model badge and /context output
• User settings are now stored in ~/.copilot/settings.json, separate from internal state in config.json

Fixed

• MCP server names with spaces and special characters are now supported
• Skill slash commands (e.g. /skill-name) passed as the initial prompt via -i are recognized correctly on startup
• Shell completion notifications are not duplicated when read_bash already returned the result

Added

• Name sessions with --name and resume them by name with --resume=

Improved

• LSP server entries in lsp.json support configurable spawn, initialization, and warmup timeouts
• Context window indicator in the statusline is now hidden by default
• Move MCP OAuth into the shared runtime flow and clear associated OAuth state when removing an MCP server.

Fixed

• Configure Copilot agent now has shell access on Windows
• Show a helpful error message with install instructions when clipboard utilities (wl-clipboard or xclip) are missing on Linux

Added

• Added a GitHub-style contribution graph to /usage that adapts to terminal color mode and falls back to distinct glyphs in no-color terminals

Improved

• Improve rendering performance when displaying large amounts of text in the timeline
• Sync task calls block until completion under MULTI_TURN_AGENTS instead of auto-promoting to background after 60s; sync no longer returns a reusable agent_id, use mode: "background" for follow-ups
• Tab navigation supports Home/End keys to jump to first and last tab
• Plugins take effect immediately after install without requiring a restart

Fixed

• Self-correcting custom tool calls in agentic loop
• Cursor movement, deletion, and rendering work correctly for emoji and multi-codepoint characters in the text input
• Tool availability detection works correctly on Windows
• Session token expiry during a turn is handled automatically without requiring you to resend your message
• Initial tab and arrow key navigation in /cwd and /add-dir path picker selects the correct item
• Transient I/O errors no longer appear as red error entries in the timeline when an IDE or extension disconnects
• Custom agents and skills in ~/.claude/ are no longer incorrectly loaded as Copilot project config
• Login command restores interactive input correctly after authentication

Added

• Add continueOnAutoMode config option to automatically switch to auto model on rate limit instead of pausing

Fixed

• Auto mode no longer fails with an error when switching to a model that doesn't support the configured reasoning effort
• Pattern-specific instruction files (.github/instructions/*.instructions.md) no longer include their full body in the system prompt on every session
• Extension shutdown errors no longer appear as error-level log noise on every session exit
• LSP refactoring tools now register correctly on the first turn when LSP configs are present

Pre-release 1.0.35-1

Added

• Add HTTP hook support, allowing hooks to POST JSON payloads to a configured URL instead of running a local command

Improved

• grep and glob tools now accept multiple search paths

Fixed

• Hide subagent thinking from the timeline
• Custom agent name is now visible in the statusline footer and can be toggled via /statusline
• Pressing Escape on startup dialogs no longer causes race conditions

2026-04-20

• Rate limit error message now says "session rate limit" instead of "global rate limit"

Improved

• Rate limit error message now says "session rate limit" instead of "global rate limit"