Raymond Chen’s blog the Old New Thing is a wonderful source of stories of programs relying on undocumented, internal behavior and the Herculean efforts Microsof

Raymond Chen’s blog the Old New Thing is a wonderful source of stories of programs relying on undocumented, internal behavior and the Herculean efforts Microsoft undertook to keep them working with new versions of Windows. Here is an example: https://devblogs.microsoft.com/oldnewthing/?p=41373 https://devblogs.microsoft.com/oldnewthing/?p=41373