Select the Xcode version to open your project with. You can choose the Latest version or select a specific version from the drop-down list.

If you have a specific Xcode version installed on your machine that doesn't appear in this list, select Other to find the version in the Applications window that appears. If Unity can't find an Xcode installation on your computer, select the Browse button to locate the Xcode installation directory on your computer.

Note: This option is visible only when you run Unity on macOS.

Select whether Xcode runs your Project as a Release or Debug build.

References Unity libraries instead of copying them into the Xcode project. This option reduces the Xcode project size and makes iteration times faster.

Include scripting debug symbols and the Profiler in your build. Use this setting when you want to test your application. When you select this option, Unity sets the scripting define symbol. Your build then includes preprocessor directives that set as a condition.

For more information, refer to Platform dependent compilation.

Automatically connect the Unity Profiler to your build. For more information, refer to Profiler.

Note: This option is available only if you select Development Build.

Allow the Profiler to process all your script code and record every function call, returning detailed profiling data. For more information, refer to Deep Profiling.

This property is available only if you enable Development Build.

Note: Enabling Deep Profiling might slow down script execution.

Attach script debuggers to the Player remotely.

This property is available only if you enable Development Build.

Make the Player wait for a debugger to be attached before it executes any script code.

This property is visible only if you enable Script Debugging.

Specifies the method Unity uses to compress the data in your Project when it builds the Player. This includes Assets, Scenes, Player settings, and GI data.