Changes made since CMake 3.8 include the following.

Deprecated and Removed Features¶ An explicit deprecation diagnostic was added for policies CMP0036 and below. The cmake-policies(7) manual explains that the OLD behaviors of all policies are deprecated and that projects should always port to the NEW behaviors as soon as possible.

and below. The manual explains that the OLD behaviors of all policies are deprecated and that projects should always port to the NEW behaviors as soon as possible. The Visual Studio 8 2005 generator is now deprecated and will be removed in a future version of CMake.

generator is now deprecated and will be removed in a future version of CMake. The Visual Studio 7 .NET 2003 generator has been removed.

generator has been removed. The Xcode generator dropped support for Xcode versions older than 3.

generator dropped support for Xcode versions older than 3. The FindDoxygen module has deprecated several variables.

module has deprecated several variables. The version of curl bundled with CMake no longer accepts URLs of the form file://c:/... on Windows due to a change in upstream curl 7.52. Use the form file:///c:/... instead to work on all versions.