### GitHub Copilot for Xcode 0.45.0

**🚀 Highlights**

- Added new models: GPT-5.1, GPT-5.1-Codex, GPT-5.1-Codex-Mini, Claude Haiku 4.5, and Auto (preview).
- Added support for custom agents (preview).
- Introduced the built-in Plan agent (preview).
- Added support for subagent execution (preview).
- Added support for Next Edit Suggestions (preview).

**💪 Improvements**

- MCP servers now support dynamic OAuth setup for third-party authentication providers.
- Added a setting to configure the maximum number of tool requests allowed.

**🛠️ Bug Fixes**

- Fixed an issue that the terminal view in Agent conversation was clipped
- Fixed an issue that the Chat panel failed to recognize newly created workspaces.