diff --git a/Documentation/doc/Documentation/Third_party.txt b/Documentation/doc/Documentation/Third_party.txt
index 1e3fe07e9ba..eac22ad8292 100644
--- a/Documentation/doc/Documentation/Third_party.txt
+++ b/Documentation/doc/Documentation/Third_party.txt
@@ -14,7 +14,7 @@ supporting <a href="https://isocpp.org/wiki/faq/cpp14">C++14</a> or later.
 | Linux            | \gnu `g++` 10.2.1 or later\cgalFootnote{<A HREF="https://gcc.gnu.org/">\cgalFootnoteCode{https://gcc.gnu.org/}</A>} |
 |                  | `Clang` \cgalFootnote{<A HREF="https://clang.llvm.org/">\cgalFootnoteCode{https://clang.llvm.org/}</A>} compiler version 13.0.1 |
 | \ms Windows      | \gnu `g++` 10.2.1 or later\cgalFootnote{<A HREF="https://gcc.gnu.org/">\cgalFootnoteCode{https://gcc.gnu.org/}</A>} |
-|                  | \ms Visual `C++` 14.0, 15.9, 16.10, 17.0 (\visualstudio 2015, 2017, 2019, and 2022)\cgalFootnote{<A HREF="https://visualstudio.microsoft.com/">\cgalFootnoteCode{https://visualstudio.microsoft.com/}</A>} |
+|                  | \ms Visual `C++` 15.9, 16.10, 17.0 (\visualstudio 2017, 2019, and 2022)\cgalFootnote{<A HREF="https://visualstudio.microsoft.com/">\cgalFootnoteCode{https://visualstudio.microsoft.com/}</A>} |
 | MacOS X          | \gnu `g++` 10.2.1 or later\cgalFootnote{<A HREF="https://gcc.gnu.org/">\cgalFootnoteCode{https://gcc.gnu.org/}</A>} |
 |                  | Apple `Clang` compiler versions 10.0.1, 12.0.5, and 13.0.0 |
 
diff --git a/Documentation/doc/Documentation/windows.txt b/Documentation/doc/Documentation/windows.txt
index c4daa8fc380..d40059d76cd 100644
--- a/Documentation/doc/Documentation/windows.txt
+++ b/Documentation/doc/Documentation/windows.txt
@@ -3,7 +3,7 @@
 \cgalAutoToc
 
 \cgal \cgalReleaseNumber is supported for the following \ms Visual `C++` compilers:
-14.0, 15.9, 16.0, 17.0 (\visualstudio 2015, 2017, 2019, and 2022).
+15.9, 16.0, 17.0 (\visualstudio 2017, 2019, and 2022).
 
 \cgal is a library that has mandatory dependencies that must be first installed:
 \ref thirdpartyBoost and \ref thirdpartyMPFR.
diff --git a/Installation/CHANGES.md b/Installation/CHANGES.md
index c4ce7a51d6d..a505215bd00 100644
--- a/Installation/CHANGES.md
+++ b/Installation/CHANGES.md
@@ -1,6 +1,17 @@
 Release History
 ===============
 
+[Release 6.0](https://github.com/CGAL/cgal/releases/tag/v6.0)
+-----------
+
+Release date: October 2023
+
+### General Changes
+
+- **Breaking change**: C++17 is now required
+- Support for Visual `C++` 14.0 (Visual studio 2015) is dropped.
+
+
 [Release 5.6](https://github.com/CGAL/cgal/releases/tag/v5.6)
 -----------
 
diff --git a/Installation/cmake/modules/CGAL_SetupCGALDependencies.cmake b/Installation/cmake/modules/CGAL_SetupCGALDependencies.cmake
index de0f5eb7fa4..3664c4b0693 100644
--- a/Installation/cmake/modules/CGAL_SetupCGALDependencies.cmake
+++ b/Installation/cmake/modules/CGAL_SetupCGALDependencies.cmake
@@ -127,11 +127,6 @@ function(CGAL_setup_CGAL_dependencies target)
       $<$<COMPILE_LANGUAGE:CXX>:/fp:except->
       $<$<COMPILE_LANGUAGE:CXX>:/bigobj>  # Use /bigobj by default
       )
-    if(MSVC_TOOLSET_VERSION VERSION_LESS_EQUAL 140) # for MSVC 2015
-      target_compile_options(${target} INTERFACE
-        $<$<COMPILE_LANGUAGE:CXX>:/wd4503>  # Suppress warnings C4503 about "decorated name length exceeded"
-        )
-    endif()
   elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "AppleClang")
     if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 11.0.3)
       message(STATUS "Apple Clang version ${CMAKE_CXX_COMPILER_VERSION} compiler detected")