Xcode and Mac OS versions compatibility

What's the lowest Mac OS version that can run XCode
The Xcode Support page includes a table with several recent Xcode versions and details about what that version supports. Please see the Minimum OS Required column to answer your question.
Which Xcode ? 12 up to 12.2 ?
It is macOS 10.15.4+

There is also a very detailed information here:
https ://xcodereleases .com
Xcode and Mac OS versions compatibility
 
 
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