Copilot CLI

2026-06-23 Path access prompt shows resolved symlink targets so you can see exactly what access is being granted Show the pay-as-you-go additional usage budget at launch, refresh it after a request is rejected for hitting the additional spend limit, and show a friendly message when the additional usage limit is reached Add websocket responses support for BYOK OpenAI-compatible providers Resumed sessions reproduce the original attached-file references even if those files later change on disk, avoiding prompt-cache resets Free-text search terms containing colons (e.g. CLI: ) now return correct r...

Added Add a setting to hide the conversation scrollbar Add inline image rendering in the CLI Add argument-hint frontmatter support for skills OpenTelemetry: chat spans after a successful compaction carry gen_ai.conversation.compacted=true, and the summary is emitted as a CompactionPart in gen_ai.input.messages Improved Show --remote-export and --no-remote-export in --help output Wrap expanded compact timeline shell entries so long commands and descriptions stay visible Make links in markdown tables clickable Show per-model token totals in /usage and speed up large history scans OpenTelemetry G...

Added Add /branch as an alias for /fork, matching Claude Code's command naming Experimental: adds a --worktree [name] ( -w ) flag (enable with /experimental ) that creates or reuses a git worktree under <repo>.worktrees/ and starts the session inside it Add tab completion for /agent names Add model family aliases like opus, sonnet, haiku, gpt, and gemini in the model setting Add Ctrl+Backspace binding in /terminal-setup for Windows Terminal Add SDK support for host-provided OAuth tokens for remote MCP servers Experimental: in the compact timeline, click a tool-call or reasoning row to ex...

2026-06-13 Ask and elicitation dialogs now scroll together with the timeline instead of taking over the screen, so a tall dialog no longer hides the agent's output — scroll up to read earlier output, then back down to the dialog Keep blank lines between reasoning summary sections Show user-typed colon terms in the search chip Plugins can now ship extensions, making them installable via the plugin marketplace Add content search, match highlighting, and n/N navigation in diff view Add /app slash command to open the GitHub app or a browser fallback Configure subagent model, reasoning effort, and ...

Added Plugins can now ship extensions, making them installable via the plugin marketplace Add content search, match highlighting, and n/N navigation in diff view Add /app slash command to open the GitHub app or a browser fallback Configure subagent model, reasoning effort, and context tier via user settings or the /subagents (also /agents) picker Improved Make the MCP server config form easier to use with a picker-based flow Fixed PowerShell redirect paths no longer trigger content-exclusion refusals WebSocket transport closes cleanly outside the Tokio runtime Shell tool errors now explain whe...

2026-06-05 Tab completes .. parent traversal in slash-command path arguments instead of switching tabs Add the max reasoning effort level for Anthropic models and make all effort levels available on every plan Screen no longer stays blank after waking from sleep inside a terminal multiplexer Input fields render background color correctly inside highlighted frames Cursor renders in the correct position in plan approval and review feedback prompts Worktree directory uses a flat name when PR branch contains slashes (e.g. cli/foo → .worktrees/cli-foo ) Queue hint correctly shows ctrl+enter instead...

Added Add billing help topic with an overview of AI credit usage features Add vim-style navigation keys (g, G, Ctrl+D, Ctrl+U) to the /diff view Show the Mission Control sharing status of synced sessions in the /session info view Add -r as a shorthand for --resume LSP server config accepts bash , powershell , and cwd keys; command launch default cwd stays project-root unless cwd is set, and cwd expansion now supports plugin vars like PLUGIN_ROOT while shell launches keep hook-matching cwd/env behavior Rewind picker shows working-tree diff stats (+added −removed) at each checkpoint Create a git...

2026-06-01 Actionable error message shown when GitHub API rate limit is hit during copilot update Plugin slash commands (/plugin install, uninstall, update, marketplace add/remove/browse) now show immediate feedback while the operation is in progress Canceling a running shell command (Ctrl+C on a !command, or aborting an agent command — including in sandboxed and background-promoted shells) now terminates the whole process tree instead of leaving orphaned processes running Canvas providers can return file:// URLs in open results for local file previews Symlinked directories appear in /cwd comp...

Added Click a diff line with the mouse to select it in diff mode Improved preToolUse hook errors now deny the tool call instead of silently allowing execution Fixed Ctrl+C and other modified keys work correctly inside tmux @-mention file search matches files regardless of query letter casing copilot plugin marketplace list now honors repo-level extraKnownMarketplaces settings from .github/copilot/settings.json Queued prompts in the footer are capped to a single line, preventing them from pushing session messages off screen MCP servers configured with npx --registry are no longer incorrectly bl...

Improved Diff view uses a continuous scroll layout with sticky file and hunk headers, full terminal width, and theme-aware colors web_fetch tool prefers markdown content when available, using HTTP content negotiation for cleaner results from documentation sites Fixed BYOK provider configuration now applies correctly to ACP sessions MCP tools that return both human-readable content text and a structuredContent payload now surface both to the agent instead of dropping either side. When the text is the literal JSON serialization (per MCP spec §5.2.6) it is deduplicated; otherwise the two are conc...

2026-05-29 Free and Student users can select models other than Auto in the model picker ThemePicker side-by-side layout fits within a 120-column terminal without wrapping Model picker shows accurate total context window size per pricing tier Add builtInAgents.rubberDuck setting to enable or disable the rubber duck agent via copilot config Extended key reporting works correctly in tmux when Kitty keyboard protocol is unavailable Config and settings files are written atomically to prevent data loss when multiple CLI processes run concurrently BYOK provider configuration now applies correctly to ...

2026-05-28 Free and Student plan users on token-based billing are restricted to Auto model selection, with an explanation shown in the model picker Report Claude thinking (reasoning) tokens in session usage summaries Add support for Claude Opus 4.8 Loading spinner no longer hangs forever when launching in an untrusted folder MCP server configuration form saves the latest typed value when pressing Ctrl+S Show per-MCP-server token usage in /mcp and break out MCP tool tokens in /context Custom agents and skills are now discovered recursively in subdirectories Add permissions.disableBypassPermissi...

Added Hook progress streaming shows real-time status messages from long-running hooks in the timeline pluginDirectories on session.create and session.resume RPC: SDK clients can mount Open Plugins-format directories per session. Delete remote sessions directly from the session picker Improved Support owner/repo#ref syntax when adding plugins from the marketplace Feedback dialog and /skills help text use Copilot-consistent log paths and terminology Progress indicators integrate natively with tmux 3.6b pane progress state --plugin-dir skills now take precedence over personal-home (~/.copilot, ~/...

2026-05-23 Non-interactive subcommands (plugin list, mcp list, help, version) no longer consume stdin Add vertical scrollbar with mouse drag support to the main conversation view Switching to Autopilot mode no longer triggers unexpected permission prompts for tool, path, or URL access copilot --continue from a session's saved directory now refreshes the saved branch and git context instead of leaving them stale Kill command safety filter no longer rejects valid commands that contain shell redirection like kill -0 <PID> 2>/dev/null . Sessions now resume in their saved working directory...

Added Context window tier selection (default ~200K vs 1M tokens) is now enforced end-to-end, so picking a tier actually constrains compaction, truncation, and token display Improved Reasoning tokens display as a parenthetical on output token count in the token usage summary Fixed AI Credits usage correctly displays after sessions using the Responses API Rendering no longer stutters when using tmux on Cygwin or mintty Slash command picker keeps (experimental) and (staff) labels orange when the row is selected

Added Custom agents support opt-in deferred tool loading via deferred-tool-loading in agent frontmatter, enabling tool-search discovery for agents with large tool lists Improved /compact accepts optional focus instructions to shape the compaction summary General-purpose subagents use GPT-5.4 or GPT-5.5 when available /usage shows quota progress bars for session and weekly limits AI credits error messages updated with clearer language and a Manage budget link Fixed Exit summary displays AI Credits label with correct spacing before the value /restart and /update preserve the current session ID a...

2026-05-18 postToolUse hook additionalContext is now injected as a system message for the model instead of being silently discarded Mouse clicks in the prompt correctly position cursor when input contains wide characters (CJK, emoji) Add /chronicle search subcommand to search all session content by keyword or topic /user switch reuses the fetched user list and shows a loading spinner on first open MCP servers using static OAuth clients correctly persist registration for token refreshes Add support for running the CLI on Alpine Linux (musl libc) Add /exit print option to print the session to th...