diff --git a/ide/vs2017/mimalloc-override-test.vcxproj b/ide/vs2017/mimalloc-override-test.vcxproj
index faaa00e3..04c16a9f 100644
--- a/ide/vs2017/mimalloc-override-test.vcxproj
+++ b/ide/vs2017/mimalloc-override-test.vcxproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
@@ -22,8 +22,8 @@
     <VCProjectVersion>15.0</VCProjectVersion>
     <ProjectGuid>{FEF7868F-750E-4C21-A04D-22707CC66879}</ProjectGuid>
     <RootNamespace>mimalloc-override-test</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
     <ProjectName>mimalloc-override-test</ProjectName>
+    <WindowsTargetPlatformVersion>10.0.19041.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
diff --git a/ide/vs2017/mimalloc-override.vcxproj b/ide/vs2017/mimalloc-override.vcxproj
index 1c6a8fda..f3b7dd1e 100644
--- a/ide/vs2017/mimalloc-override.vcxproj
+++ b/ide/vs2017/mimalloc-override.vcxproj
@@ -22,8 +22,8 @@
     <VCProjectVersion>15.0</VCProjectVersion>
     <ProjectGuid>{ABB5EAE7-B3E6-432E-B636-333449892EA7}</ProjectGuid>
     <RootNamespace>mimalloc-override</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
     <ProjectName>mimalloc-override</ProjectName>
+    <WindowsTargetPlatformVersion>10.0.19041.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
diff --git a/ide/vs2017/mimalloc-test-stress.vcxproj b/ide/vs2017/mimalloc-test-stress.vcxproj
index b8267d0b..061b8605 100644
--- a/ide/vs2017/mimalloc-test-stress.vcxproj
+++ b/ide/vs2017/mimalloc-test-stress.vcxproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
@@ -22,8 +22,8 @@
     <VCProjectVersion>15.0</VCProjectVersion>
     <ProjectGuid>{FEF7958F-750E-4C21-A04D-22707CC66878}</ProjectGuid>
     <RootNamespace>mimalloc-test-stress</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
     <ProjectName>mimalloc-test-stress</ProjectName>
+    <WindowsTargetPlatformVersion>10.0.19041.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
diff --git a/ide/vs2017/mimalloc-test.vcxproj b/ide/vs2017/mimalloc-test.vcxproj
index 27c7bb6e..04bd6537 100644
--- a/ide/vs2017/mimalloc-test.vcxproj
+++ b/ide/vs2017/mimalloc-test.vcxproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
@@ -22,8 +22,8 @@
     <VCProjectVersion>15.0</VCProjectVersion>
     <ProjectGuid>{FEF7858F-750E-4C21-A04D-22707CC66878}</ProjectGuid>
     <RootNamespace>mimalloctest</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
     <ProjectName>mimalloc-test</ProjectName>
+    <WindowsTargetPlatformVersion>10.0.19041.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
@@ -102,7 +102,7 @@
       <SDLCheck>true</SDLCheck>
       <ConformanceMode>true</ConformanceMode>
       <AdditionalIncludeDirectories>..\..\include</AdditionalIncludeDirectories>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
diff --git a/ide/vs2017/mimalloc.sln b/ide/vs2017/mimalloc.sln
index 7dbf53e1..515c03f2 100644
--- a/ide/vs2017/mimalloc.sln
+++ b/ide/vs2017/mimalloc.sln
@@ -1,71 +1,71 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.28010.2016
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mimalloc", "mimalloc.vcxproj", "{ABB5EAE7-B3E6-432E-B636-333449892EA6}"
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mimalloc-test", "mimalloc-test.vcxproj", "{FEF7858F-750E-4C21-A04D-22707CC66878}"
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mimalloc-override", "mimalloc-override.vcxproj", "{ABB5EAE7-B3E6-432E-B636-333449892EA7}"
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mimalloc-override-test", "mimalloc-override-test.vcxproj", "{FEF7868F-750E-4C21-A04D-22707CC66879}"
-EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mimalloc-test-stress", "mimalloc-test-stress.vcxproj", "{FEF7958F-750E-4C21-A04D-22707CC66878}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|x64 = Debug|x64
-		Debug|x86 = Debug|x86
-		Release|x64 = Release|x64
-		Release|x86 = Release|x86
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Debug|x64.ActiveCfg = Debug|x64
-		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Debug|x64.Build.0 = Debug|x64
-		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Debug|x86.ActiveCfg = Debug|Win32
-		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Debug|x86.Build.0 = Debug|Win32
-		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Release|x64.ActiveCfg = Release|x64
-		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Release|x64.Build.0 = Release|x64
-		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Release|x86.ActiveCfg = Release|Win32
-		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Release|x86.Build.0 = Release|Win32
-		{FEF7858F-750E-4C21-A04D-22707CC66878}.Debug|x64.ActiveCfg = Debug|x64
-		{FEF7858F-750E-4C21-A04D-22707CC66878}.Debug|x64.Build.0 = Debug|x64
-		{FEF7858F-750E-4C21-A04D-22707CC66878}.Debug|x86.ActiveCfg = Debug|Win32
-		{FEF7858F-750E-4C21-A04D-22707CC66878}.Debug|x86.Build.0 = Debug|Win32
-		{FEF7858F-750E-4C21-A04D-22707CC66878}.Release|x64.ActiveCfg = Release|x64
-		{FEF7858F-750E-4C21-A04D-22707CC66878}.Release|x64.Build.0 = Release|x64
-		{FEF7858F-750E-4C21-A04D-22707CC66878}.Release|x86.ActiveCfg = Release|Win32
-		{FEF7858F-750E-4C21-A04D-22707CC66878}.Release|x86.Build.0 = Release|Win32
-		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Debug|x64.ActiveCfg = Debug|x64
-		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Debug|x64.Build.0 = Debug|x64
-		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Debug|x86.ActiveCfg = Debug|Win32
-		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Debug|x86.Build.0 = Debug|Win32
-		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Release|x64.ActiveCfg = Release|x64
-		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Release|x64.Build.0 = Release|x64
-		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Release|x86.ActiveCfg = Release|Win32
-		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Release|x86.Build.0 = Release|Win32
-		{FEF7868F-750E-4C21-A04D-22707CC66879}.Debug|x64.ActiveCfg = Debug|x64
-		{FEF7868F-750E-4C21-A04D-22707CC66879}.Debug|x64.Build.0 = Debug|x64
-		{FEF7868F-750E-4C21-A04D-22707CC66879}.Debug|x86.ActiveCfg = Debug|Win32
-		{FEF7868F-750E-4C21-A04D-22707CC66879}.Debug|x86.Build.0 = Debug|Win32
-		{FEF7868F-750E-4C21-A04D-22707CC66879}.Release|x64.ActiveCfg = Release|x64
-		{FEF7868F-750E-4C21-A04D-22707CC66879}.Release|x64.Build.0 = Release|x64
-		{FEF7868F-750E-4C21-A04D-22707CC66879}.Release|x86.ActiveCfg = Release|Win32
-		{FEF7868F-750E-4C21-A04D-22707CC66879}.Release|x86.Build.0 = Release|Win32
-		{FEF7958F-750E-4C21-A04D-22707CC66878}.Debug|x64.ActiveCfg = Debug|x64
-		{FEF7958F-750E-4C21-A04D-22707CC66878}.Debug|x64.Build.0 = Debug|x64
-		{FEF7958F-750E-4C21-A04D-22707CC66878}.Debug|x86.ActiveCfg = Debug|Win32
-		{FEF7958F-750E-4C21-A04D-22707CC66878}.Debug|x86.Build.0 = Debug|Win32
-		{FEF7958F-750E-4C21-A04D-22707CC66878}.Release|x64.ActiveCfg = Release|x64
-		{FEF7958F-750E-4C21-A04D-22707CC66878}.Release|x64.Build.0 = Release|x64
-		{FEF7958F-750E-4C21-A04D-22707CC66878}.Release|x86.ActiveCfg = Release|Win32
-		{FEF7958F-750E-4C21-A04D-22707CC66878}.Release|x86.Build.0 = Release|Win32
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {4297F93D-486A-4243-995F-7D32F59AE82A}
-	EndGlobalSection
-EndGlobal
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.26228.102
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mimalloc", "mimalloc.vcxproj", "{ABB5EAE7-B3E6-432E-B636-333449892EA6}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mimalloc-test", "mimalloc-test.vcxproj", "{FEF7858F-750E-4C21-A04D-22707CC66878}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mimalloc-override", "mimalloc-override.vcxproj", "{ABB5EAE7-B3E6-432E-B636-333449892EA7}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mimalloc-override-test", "mimalloc-override-test.vcxproj", "{FEF7868F-750E-4C21-A04D-22707CC66879}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mimalloc-test-stress", "mimalloc-test-stress.vcxproj", "{FEF7958F-750E-4C21-A04D-22707CC66878}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Debug|x64.ActiveCfg = Debug|x64
+		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Debug|x64.Build.0 = Debug|x64
+		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Debug|x86.ActiveCfg = Debug|Win32
+		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Debug|x86.Build.0 = Debug|Win32
+		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Release|x64.ActiveCfg = Release|x64
+		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Release|x64.Build.0 = Release|x64
+		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Release|x86.ActiveCfg = Release|Win32
+		{ABB5EAE7-B3E6-432E-B636-333449892EA6}.Release|x86.Build.0 = Release|Win32
+		{FEF7858F-750E-4C21-A04D-22707CC66878}.Debug|x64.ActiveCfg = Debug|x64
+		{FEF7858F-750E-4C21-A04D-22707CC66878}.Debug|x64.Build.0 = Debug|x64
+		{FEF7858F-750E-4C21-A04D-22707CC66878}.Debug|x86.ActiveCfg = Debug|Win32
+		{FEF7858F-750E-4C21-A04D-22707CC66878}.Debug|x86.Build.0 = Debug|Win32
+		{FEF7858F-750E-4C21-A04D-22707CC66878}.Release|x64.ActiveCfg = Release|x64
+		{FEF7858F-750E-4C21-A04D-22707CC66878}.Release|x64.Build.0 = Release|x64
+		{FEF7858F-750E-4C21-A04D-22707CC66878}.Release|x86.ActiveCfg = Release|Win32
+		{FEF7858F-750E-4C21-A04D-22707CC66878}.Release|x86.Build.0 = Release|Win32
+		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Debug|x64.ActiveCfg = Debug|x64
+		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Debug|x64.Build.0 = Debug|x64
+		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Debug|x86.ActiveCfg = Debug|Win32
+		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Debug|x86.Build.0 = Debug|Win32
+		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Release|x64.ActiveCfg = Release|x64
+		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Release|x64.Build.0 = Release|x64
+		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Release|x86.ActiveCfg = Release|Win32
+		{ABB5EAE7-B3E6-432E-B636-333449892EA7}.Release|x86.Build.0 = Release|Win32
+		{FEF7868F-750E-4C21-A04D-22707CC66879}.Debug|x64.ActiveCfg = Debug|x64
+		{FEF7868F-750E-4C21-A04D-22707CC66879}.Debug|x64.Build.0 = Debug|x64
+		{FEF7868F-750E-4C21-A04D-22707CC66879}.Debug|x86.ActiveCfg = Debug|Win32
+		{FEF7868F-750E-4C21-A04D-22707CC66879}.Debug|x86.Build.0 = Debug|Win32
+		{FEF7868F-750E-4C21-A04D-22707CC66879}.Release|x64.ActiveCfg = Release|x64
+		{FEF7868F-750E-4C21-A04D-22707CC66879}.Release|x64.Build.0 = Release|x64
+		{FEF7868F-750E-4C21-A04D-22707CC66879}.Release|x86.ActiveCfg = Release|Win32
+		{FEF7868F-750E-4C21-A04D-22707CC66879}.Release|x86.Build.0 = Release|Win32
+		{FEF7958F-750E-4C21-A04D-22707CC66878}.Debug|x64.ActiveCfg = Debug|x64
+		{FEF7958F-750E-4C21-A04D-22707CC66878}.Debug|x64.Build.0 = Debug|x64
+		{FEF7958F-750E-4C21-A04D-22707CC66878}.Debug|x86.ActiveCfg = Debug|Win32
+		{FEF7958F-750E-4C21-A04D-22707CC66878}.Debug|x86.Build.0 = Debug|Win32
+		{FEF7958F-750E-4C21-A04D-22707CC66878}.Release|x64.ActiveCfg = Release|x64
+		{FEF7958F-750E-4C21-A04D-22707CC66878}.Release|x64.Build.0 = Release|x64
+		{FEF7958F-750E-4C21-A04D-22707CC66878}.Release|x86.ActiveCfg = Release|Win32
+		{FEF7958F-750E-4C21-A04D-22707CC66878}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {4297F93D-486A-4243-995F-7D32F59AE82A}
+	EndGlobalSection
+EndGlobal
diff --git a/ide/vs2017/mimalloc.vcxproj b/ide/vs2017/mimalloc.vcxproj
index 8102b9fe..d29c2c7f 100644
--- a/ide/vs2017/mimalloc.vcxproj
+++ b/ide/vs2017/mimalloc.vcxproj
@@ -22,7 +22,7 @@
     <VCProjectVersion>15.0</VCProjectVersion>
     <ProjectGuid>{ABB5EAE7-B3E6-432E-B636-333449892EA6}</ProjectGuid>
     <RootNamespace>mimalloc</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.19041.0</WindowsTargetPlatformVersion>
     <ProjectName>mimalloc</ProjectName>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
@@ -131,7 +131,7 @@
       <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;MI_DEBUG=3;%(PreprocessorDefinitions);</PreprocessorDefinitions>
       <CompileAs>CompileAsC</CompileAs>
       <SupportJustMyCode>false</SupportJustMyCode>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
     <PostBuildEvent>
       <Command>