Copilot Chat v0.33.2025102301: CLI & BYOK Support

CLI integration enabled and BYOK OpenAI support expanded in Copilot Chat v0.33. Session ordering and warning text bugs squashed.

Copilot Chat v0.33.2025102301: CLI & BYOK Support

TL;DR

  • CLI integration now enabled (behind agents view setting)
  • Custom OpenAI BYOK provider now supports response API
  • Chat session ordering and warning text bugs fixed

New

  • CLI integration — Enable command-line access to Copilot Chat, still gated behind agents view setting
  • Custom OAI BYOK response API — Bring-your-own-key OpenAI providers can now use the response API
  • /delegate CLI support — CLI sessions can now invoke the delegate command
  • User agent pass-through — LM server user agent now properly forwarded in requests
  • CCA PR details — Chat sessions now receive pull request details from Copilot Code Actions

Fixed

  • Chat session ordering — Sessions now display in correct order
  • CCA warning text — Removed spurious warnings on pending changes in Copilot Code Actions

Changed

  • PromptRegistry refactor — Now matches on endpoint.family prefixes for better routing
  • Delegate rename — Internal naming updates for consistency

Update: code --install-extension GitHub.Copilot-Chat

Source: Copilot Chat