Visual Studio 2017 minimum requirement for Windows

CHANGELOG.md

@@ -1,6 +1,7 @@
 Version 219:
 
 * More split definitions in test::stream
+* Visual Studio 2017 minimum requirement for Windows
 
 --------------------------------------------------------------------------------
 

README.md

@@ -71,7 +71,7 @@ create concurrent network programs using callbacks or coroutines.
 * **Boost:** Boost.Asio and some other parts of Boost.
 * **OpenSSL:** Required for using TLS/Secure sockets and examples/tests
 
-When using Microsoft Visual C++, Visual Studio 2015 Update 3 or later is required.
+When using Microsoft Visual C++, Visual Studio 2017 or later is required.
 
 One of these components is required in order to build the tests and examples:
 
@@ -198,7 +198,6 @@ cd libs/beast
 mkdir bin
 cd bin
 cmake ..                                    # for 32-bit Windows builds, or
-cmake -G"Visual Studio 14 2015 Win64" ..    # for 64-bit Windows builds (VS2015), or
 cmake -G"Visual Studio 15 2017 Win64" ..    # for 64-bit Windows builds (VS2017)
 ```
 

appveyor.yml

@@ -15,6 +15,9 @@ configuration:
   #- Debug
   - Release
 
+image:
+  - Visual Studio 2017
+
 environment:
   OPENSSL_ROOT: C:\tools\vcpkg\installed\x64-windows
 
@@ -100,8 +103,8 @@ install:
 build: off
 
 test_script:
-  - b2 variant=release cxxstd=11 address-model=64 libs/beast/example toolset=msvc-14.0
-  - b2 variant=release cxxstd=11 address-model=64 --verbose-test libs/beast/test//run-fat-tests toolset=msvc-14.0
+  - b2 variant=release cxxstd=11 address-model=64 libs/beast/example
+  - b2 variant=release cxxstd=11 address-model=64 --verbose-test libs/beast/test//run-fat-tests
 
 cache:
 - c:\tools\vcpkg\installed\

doc/qbk/release_notes.qbk

@@ -86,7 +86,6 @@
 
 [/ includes up to version 209]
 
-
 [*New Features]
 
 [/* `BASIC_TIMEOUT_STREAM` TODO]
@@ -153,6 +152,8 @@
 
 [*API Changes]
 
+* On Windows, Visual Studio 2017 or later is required
+
 * HTTP stream algorithms return the number of bytes transferred
   from the stream. Previously, they returned the number of bytes
   consumed by the parser.