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 completion suggestions
In Azure DevOps-only repositories, the built-in GitHub MCP server now exposes only the web_search tool instead of being fully disabled
Quota footer shows remaining requests as a rounded percentage
/lsp show, /lsp test, and /lsp reload correctly discover project LSP config when the CLI is launched from a subdirectory
MCP server timeout configuration is preserved after tools list changes
/skills add and /skills remove correctly handle paths wrapped in quotes (e.g., from Windows Explorer "Copy as path")
Running copilot with an unquoted multi-word prompt now shows a helpful "quote your prompt" hint instead of a raw commander error
Default networking transport is now HTTP/1.1, improving reliability on some network paths. Opt into HTTP/2 with COPILOT_ENABLE_HTTP2=1.
Plugins auto-installed from repository settings no longer leak into user global config
Grep tool correctly handles tsx and jsx as file type filters
COPILOT_HOME is honored for the server discovery registry directory
Click a diff line with the mouse to select it in diff mode
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 blocked by policy
Session no longer hangs indefinitely after an error occurs during internal event processing
Installed plugins no longer include the .git directory from the plugin source repository
New reasoning after tool calls appears at the bottom of the timeline instead of above earlier output
Pasting text copied from a browser, editor, or terminal no longer leaves a stray empty line, broken box-drawing lines, or a misplaced cursor in the prompt
preToolUse hook errors now deny the tool call instead of silently allowing execution
Session resume works correctly after a crash that left partial data in the session log
High-contrast diff backgrounds use darker colors to improve text readability
Add showTipsOnStartup setting to control whether startup tips are shown
Surface the underlying reason (e.g. GitHub API rate limit) when SDK auth-token validation fails, instead of the misleading "Session was not created with authentication info or custom provider" message.
/diff defaults to branch diff when there are no unstaged changes