GCGitHub Copilot CLIv1.0.88Sep 22, 2026
2026-09-22
- Add optional OSC 777 terminal notifications for direct Ghostty and WezTerm sessions.
- Text selection now works in bottom-anchored dialogs, including login device codes
- Preserve /allow-all during managed-settings refresh failures, and remember exact session approvals for missing paths without granting their parent directory; exact grants are visible in /list-dirs and cleared by /reset-allowed-tools
- Sandboxed network denials from proxy tunnel failures now show bypass guidance
- +23 more changes
Read the full release noteHide the full release note
2026-09-22
- Add optional OSC 777 terminal notifications for direct Ghostty and WezTerm sessions.
- Text selection now works in bottom-anchored dialogs, including login device codes
- Preserve /allow-all during managed-settings refresh failures, and remember exact session approvals for missing paths without granting their parent directory; exact grants are visible in /list-dirs and cleared by /reset-allowed-tools
- Sandboxed network denials from proxy tunnel failures now show bypass guidance
- Custom-agent startup now distinguishes model-list load failures from an empty catalog, preventing false unavailable warnings and silent required-agent deselection
- Pressing Enter in freeform ask_user prompts adds a new line; submit with Ctrl+Enter or Ctrl+S as a fallback
- A custom agent's
reasoning-effortnow applies when the agent is selected, instead of only its model. An explicit--reasoning-effortstill wins, and a level the selected model does not offer is reported and left unapplied - Deferred MCP tools whose registered name needed sanitizing or shortening are now listed under that name, so tool search can find them, and deferred MCP tools with no resolvable server name are now
Excerpt ends here — this release continues at the source ↗.