ReleaseNotes

GitHub Copilot for Xcode 0.48.0

🚀 Highlights

• Context Window and Auto Compress: Track context token usage directly from the chat input and automatically compact conversation history to save tokens.
• Xcode MCP Server Setup: Install and connect Xcode's built-in MCP server directly from settings.
• General Availability: Custom agents and the Auto model are now generally available.

💪 Changes

• Removed support for macOS 12.
• Improved UI for model picker tooltips.

🛠️ Bug Fixes

• Fixed an issue where GPT-5.4 requests could return a 400 error.
• Fixed an issue where the MCP allowlist did not work correctly.