24 files changed, 540 insertions, 64 deletions
diff --git a/PCbuild/_asyncio.vcxproj b/PCbuild/_asyncio.vcxproj
new file mode 100644
index 0000000..3cca000
--- /dev/null
+++ b/PCbuild/_asyncio.vcxproj
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="PGInstrument|Win32">
+      <Configuration>PGInstrument</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="PGInstrument|x64">
+      <Configuration>PGInstrument</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="PGUpdate|Win32">
+      <Configuration>PGUpdate</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="PGUpdate|x64">
+      <Configuration>PGUpdate</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{384C224A-7474-476E-A01B-750EA7DE918C}</ProjectGuid>
+    <RootNamespace>_asyncio</RootNamespace>
+    <Keyword>Win32Proj</Keyword>
+  </PropertyGroup>
+  <Import Project="python.props" />
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <CharacterSet>NotSet</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <PropertyGroup>
+    <TargetExt>.pyd</TargetExt>
+  </PropertyGroup>
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="pyproject.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup>
+    <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
+  </PropertyGroup>
+  <ItemGroup>
+    <ClCompile Include="..\Modules\_asynciomodule.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="..\PC\python_nt.rc" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="pythoncore.vcxproj">
+      <Project>{cf7ac3d1-e2df-41d2-bea6-1e2556cdea26}</Project>
+      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
diff --git a/PCbuild/_asyncio.vcxproj.filters b/PCbuild/_asyncio.vcxproj.filters
new file mode 100644
index 0000000..10a186c
--- /dev/null
+++ b/PCbuild/_asyncio.vcxproj.filters
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ResourceCompile Include="..\PC\python_nt.rc" />
+  </ItemGroup>
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{2422278e-eeeb-4241-8182-433e2bc5a7fc}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\Modules\_asynciomodule.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>
+\ No newline at end of file
diff --git a/PCbuild/_freeze_importlib.vcxproj b/PCbuild/_freeze_importlib.vcxproj
index f7714c0..c732663 100644
--- a/PCbuild/_freeze_importlib.vcxproj
+++ b/PCbuild/_freeze_importlib.vcxproj
@@ -76,31 +76,44 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="..\Lib\importlib\_bootstrap.py" />
+    <None Include="..\Lib\importlib\_bootstrap.py">
+      <IntFile>$(IntDir)importlib.g.h</IntFile>
+      <OutFile>$(PySourcePath)Python\importlib.h</OutFile>
+    </None>
+    <None Include="..\Lib\importlib\_bootstrap_external.py">
+      <IntFile>$(IntDir)importlib_external.g.h</IntFile>
+      <OutFile>$(PySourcePath)Python\importlib_external.h</OutFile>
+    </None>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-  <Target Name="RebuildImportLib" AfterTargets="AfterBuild" Condition="$(Configuration) == 'Debug' or $(Configuration) == 'Release'">
-    <Exec Command='"$(TargetPath)" "$(PySourcePath)Lib\importlib\_bootstrap.py" "$(IntDir)importlib.g.h"' />
+  <Target Name="_RebuildImportLib">
+    <Exec Command='"$(TargetPath)" "%(None.FullPath)" "%(None.IntFile)"' />
     
     <PropertyGroup>
-      <_OldContent Condition="Exists('$(PySourcePath)Python\importlib.h')">$([System.IO.File]::ReadAllText('$(PySourcePath)Python\importlib.h').Replace(`&#x0D;&#x0A;`, `&#x0A;`))</_OldContent>
-      <_NewContent Condition="Exists('$(IntDir)importlib.g.h')">$([System.IO.File]::ReadAllText('$(IntDir)importlib.g.h').Replace(`&#x0D;&#x0A;`, `&#x0A;`))</_NewContent>
+      <_OldContent Condition="Exists($(OutTargetPath))"></_OldContent>
+      <_NewContent Condition="Exists($(IntTargetPath))">$([System.IO.File]::ReadAllText($(IntTargetPath)).Replace(`&#x0D;&#x0A;`, `&#x0A;`))</_NewContent>
     </PropertyGroup>
     
-    <Copy SourceFiles="$(IntDir)importlib.g.h"
-          DestinationFiles="$(PySourcePath)Python\importlib.h"
-          Condition="Exists('$(IntDir)importlib.g.h') and '$(_OldContent)' != '$(_NewContent)'" />
+    <Copy SourceFiles="%(None.IntFile)"
+          DestinationFiles="%(None.OutFile)"
+          Condition="!Exists(%(None.OutFile)) or (Exists(%(None.IntFile)) and '$([System.IO.File]::ReadAllText(%(None.OutFile)).Replace(`&#x0D;&#x0A;`, `&#x0A;`))' != '$([System.IO.File]::ReadAllText(%(None.IntFile)).Replace(`&#x0D;&#x0A;`, `&#x0A;`))')">
+      <Output TaskParameter="CopiedFiles" ItemName="_Updated" />
+    </Copy>
     
-    <Warning Text="importlib.h has been updated. You will need to rebuild pythoncore to see the changes."
-             Condition="Exists('$(IntDir)importlib.g.h') and '$(_OldContent)' != '$(_NewContent)' and $(Configuration) == 'Debug'" />
-    <Error Text="importlib.h has been updated. You will need to rebuild pythoncore to see the changes."
-           Condition="Exists('$(IntDir)importlib.g.h') and '$(_OldContent)' != '$(_NewContent)' and $(Configuration) == 'Release'" />
+    <Warning Text="@(_Updated->'%(Filename)%(Extension)',', ') updated. You will need to rebuild pythoncore to see the changes."
+             Condition="'@(_Updated)' != '' and $(Configuration) == 'Debug'" />
+    <Error Text="@(_Updated->'%(Filename)%(Extension)',', ') updated. You will need to rebuild pythoncore to see the changes."
+           Condition="'@(_Updated)' != '' and $(Configuration) == 'Release'" />
+  </Target>
+  <Target Name="RebuildImportLib" AfterTargets="AfterBuild" Condition="$(Configuration) == 'Debug' or $(Configuration) == 'Release'"
+          DependsOnTargets="_RebuildImportLib">
   </Target>
   <Target Name="_CleanImportLib" BeforeTargets="CoreClean">
     <ItemGroup>
       <Clean Include="$(IntDir)importlib.g.h" />
+      <Clean Include="$(IntDir)importlib_external.g.h" />
     </ItemGroup>
   </Target>
 </Project>
diff --git a/PCbuild/_lzma.vcxproj b/PCbuild/_lzma.vcxproj
index 1f0696da..7ec2692 100644
--- a/PCbuild/_lzma.vcxproj
+++ b/PCbuild/_lzma.vcxproj
@@ -61,13 +61,11 @@
   </PropertyGroup>
   <ItemDefinitionGroup>
     <ClCompile>
-      <AdditionalIncludeDirectories>$(lzmaDir)include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(lzmaDir)src/liblzma/api;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>WIN32;_FILE_OFFSET_BITS=64;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE;LZMA_API_STATIC;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies Condition="'$(Platform)' == 'Win32'">$(lzmaDir)\bin_i486\liblzma.a;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalDependencies Condition="'$(Platform)' == 'x64'">$(lzmaDir)\bin_x86-64\liblzma.a;%(AdditionalDependencies)</AdditionalDependencies>
-      <ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers>
+      <AdditionalDependencies>$(OutDir)/liblzma$(PyDebugExt).lib</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
@@ -81,8 +79,12 @@
       <Project>{cf7ac3d1-e2df-41d2-bea6-1e2556cdea26}</Project>
       <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
     </ProjectReference>
+    <ProjectReference Include="liblzma.vcxproj">
+      <Project>{12728250-16eC-4dc6-94d7-e21dd88947f8}</Project>
+      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
-\ No newline at end of file
+</Project>
diff --git a/PCbuild/_testconsole.vcxproj b/PCbuild/_testconsole.vcxproj
new file mode 100644
index 0000000..d351ced
--- /dev/null
+++ b/PCbuild/_testconsole.vcxproj
@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="PGInstrument|Win32">
+      <Configuration>PGInstrument</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="PGInstrument|x64">
+      <Configuration>PGInstrument</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="PGUpdate|Win32">
+      <Configuration>PGUpdate</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="PGUpdate|x64">
+      <Configuration>PGUpdate</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{B244E787-C445-441C-BDF4-5A4F1A3A1E51}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>_testconsole</RootNamespace>
+    <SupportPGO>false</SupportPGO>
+  </PropertyGroup>
+  <Import Project="python.props" />
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <CharacterSet>NotSet</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <PropertyGroup>
+    <TargetExt>.pyd</TargetExt>
+  </PropertyGroup>
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="pyproject.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <PreprocessorDefinitions>_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="..\PC\_testconsole.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="..\PC\python_nt.rc" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="pythoncore.vcxproj">
+      <Project>{cf7ac3d1-e2df-41d2-bea6-1e2556cdea26}</Project>
+      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
+\ No newline at end of file
diff --git a/PCbuild/_testconsole.vcxproj.filters b/PCbuild/_testconsole.vcxproj.filters
new file mode 100644
index 0000000..0c25101
--- /dev/null
+++ b/PCbuild/_testconsole.vcxproj.filters
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\Modules\_testmultiphase.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>
+\ No newline at end of file
diff --git a/PCbuild/build.bat b/PCbuild/build.bat
index 9e63a84..70ab340 100644
--- a/PCbuild/build.bat
+++ b/PCbuild/build.bat
@@ -124,9 +124,9 @@ if "%do_pgo%"=="true" (
     @echo off
     call :Kill
     set conf=PGUpdate
+    set target=Build
 )
 goto Build
-
 :Kill
 echo on
 msbuild "%dir%\pythoncore.vcxproj" /t:KillPython %verbose%^
diff --git a/PCbuild/build_pgo.bat b/PCbuild/build_pgo.bat
deleted file mode 100644
index 872c382..0000000
--- a/PCbuild/build_pgo.bat
+++ /dev/null
@@ -1,6 +0,0 @@
-@echo off
-echo.DeprecationWarning:
-echo.    This script is deprecated, use `build.bat --pgo` instead.
-echo.
-
-call "%~dp0build.bat" --pgo %*
diff --git a/PCbuild/get_externals.bat b/PCbuild/get_externals.bat
index 1c3cdee..a5185be 100644
--- a/PCbuild/get_externals.bat
+++ b/PCbuild/get_externals.bat
@@ -55,11 +55,11 @@ set libraries=
 set libraries=%libraries%                                    bzip2-1.0.6
 if NOT "%IncludeSSL%"=="false" set libraries=%libraries%     nasm-2.11.06
 if NOT "%IncludeSSL%"=="false" set libraries=%libraries%     openssl-1.0.2j
-set libraries=%libraries%                                    sqlite-3.8.11.0
-if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tcl-core-8.6.4.2
-if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tk-8.6.4.2
+set libraries=%libraries%                                    sqlite-3.14.2.0
+if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tcl-core-8.6.6.0
+if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tk-8.6.6.0
 if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tix-8.4.3.6
-set libraries=%libraries%                                    xz-5.0.5
+set libraries=%libraries%                                    xz-5.2.2
 
 for %%e in (%libraries%) do (
     if exist %%e (
diff --git a/PCbuild/liblzma.vcxproj b/PCbuild/liblzma.vcxproj
new file mode 100644
index 0000000..711f9bd
--- /dev/null
+++ b/PCbuild/liblzma.vcxproj
@@ -0,0 +1,216 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="PGInstrument|Win32">
+      <Configuration>PGInstrument</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="PGInstrument|x64">
+      <Configuration>PGInstrument</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="PGUpdate|Win32">
+      <Configuration>PGUpdate</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="PGUpdate|x64">
+      <Configuration>PGUpdate</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{12728250-16EC-4DC6-94D7-E21DD88947F8}</ProjectGuid>
+    <RootNamespace>liblzma</RootNamespace>
+    <SupportPGO>true</SupportPGO>
+  </PropertyGroup>
+
+  <Import Project="python.props" />
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+
+  <PropertyGroup Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="pyproject.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup>
+    <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
+  </PropertyGroup>
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <PreprocessorDefinitions>WIN32;HAVE_CONFIG_H;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <WarningLevel>Level3</WarningLevel>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <Optimization>Disabled</Optimization>
+      <AdditionalIncludeDirectories>$(lzmaDir)windows;$(lzmaDir)src/liblzma/common;$(lzmaDir)src/common;$(lzmaDir)src/liblzma/api;$(lzmaDir)src/liblzma/check;$(lzmaDir)src/liblzma/delta;$(lzmaDir)src/liblzma/lz;$(lzmaDir)src/liblzma/lzma;$(lzmaDir)src/liblzma/rangecoder;$(lzmaDir)src/liblzma/simple</AdditionalIncludeDirectories>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="$(lzmaDir)src\common\tuklib_cpucores.c" />
+    <ClCompile Include="$(lzmaDir)src\common\tuklib_physmem.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\check\check.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\check\crc32_fast.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\check\crc32_table.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\check\crc64_fast.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\check\crc64_table.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\check\sha256.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\alone_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\alone_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\auto_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\block_buffer_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\block_buffer_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\block_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\block_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\block_header_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\block_header_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\block_util.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\common.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\easy_buffer_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\easy_decoder_memusage.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\easy_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\easy_encoder_memusage.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\easy_preset.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\filter_buffer_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\filter_buffer_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\filter_common.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\filter_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\filter_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\filter_flags_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\filter_flags_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\hardware_cputhreads.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\hardware_physmem.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\index.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\index_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\index_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\index_hash.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\outqueue.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\stream_buffer_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\stream_buffer_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\stream_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\stream_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\stream_encoder_mt.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\stream_flags_common.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\stream_flags_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\stream_flags_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\vli_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\vli_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\common\vli_size.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\delta\delta_common.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\delta\delta_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\delta\delta_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\lzma\fastpos_table.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\lzma\lzma2_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\lzma\lzma2_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\lzma\lzma_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\lzma\lzma_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\lzma\lzma_encoder_optimum_fast.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\lzma\lzma_encoder_optimum_normal.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\lzma\lzma_encoder_presets.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\lz\lz_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\lz\lz_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\lz\lz_encoder_mf.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\rangecoder\price_table.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\simple\arm.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\simple\armthumb.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\simple\ia64.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\simple\powerpc.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\simple\simple_coder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\simple\simple_decoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\simple\simple_encoder.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\simple\sparc.c" />
+    <ClCompile Include="$(lzmaDir)src\liblzma\simple\x86.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="$(lzmaDir)src\common\mythread.h" />
+    <ClInclude Include="$(lzmaDir)src\common\sysdefs.h" />
+    <ClInclude Include="$(lzmaDir)src\common\tuklib_common.h" />
+    <ClInclude Include="$(lzmaDir)src\common\tuklib_config.h" />
+    <ClInclude Include="$(lzmaDir)src\common\tuklib_cpucores.h" />
+    <ClInclude Include="$(lzmaDir)src\common\tuklib_integer.h" />
+    <ClInclude Include="$(lzmaDir)src\common\tuklib_physmem.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\base.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\bcj.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\block.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\check.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\container.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\delta.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\filter.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\hardware.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\index.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\index_hash.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\lzma12.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\stream_flags.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\version.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\api\lzma\vli.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\check\check.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\check\crc32_table_be.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\check\crc32_table_le.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\check\crc64_table_be.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\check\crc64_table_le.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\check\crc_macros.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\alone_decoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\block_buffer_encoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\block_decoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\block_encoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\common.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\easy_preset.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\filter_common.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\filter_decoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\filter_encoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\index.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\index_encoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\memcmplen.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\outqueue.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\stream_decoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\common\stream_flags_common.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\delta\delta_common.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\delta\delta_decoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\delta\delta_encoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\delta\delta_private.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\lzma\fastpos.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\lzma\lzma2_decoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\lzma\lzma2_encoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\lzma\lzma_common.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\lzma\lzma_decoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\lzma\lzma_encoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\lzma\lzma_encoder_private.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\lz\lz_decoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\lz\lz_encoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\lz\lz_encoder_hash.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\lz\lz_encoder_hash_table.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\rangecoder\price.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\rangecoder\range_common.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\rangecoder\range_decoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\rangecoder\range_encoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\simple\simple_coder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\simple\simple_decoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\simple\simple_encoder.h" />
+    <ClInclude Include="$(lzmaDir)src\liblzma\simple\simple_private.h" />
+    <ClInclude Include="$(lzmaDir)windows\config.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
diff --git a/PCbuild/openssl.props b/PCbuild/openssl.props
index e35c0d9..0de4e43 100644
--- a/PCbuild/openssl.props
+++ b/PCbuild/openssl.props
@@ -19,6 +19,7 @@
     <PreprocessorDefinitions Include="OPENSSL_THREADS" />
     <!-- <PreprocessorDefinitions Include="OPENSSL_SYSNAME_WIN32" /> -->
     <PreprocessorDefinitions Include="OPENSSL_IA32_SSE2" />
+    <PreprocessorDefinitions Include="OPENSSL_BN_ASM_GF2m" />
     <PreprocessorDefinitions Include="SHA1_ASM" />
     <PreprocessorDefinitions Include="SHA256_ASM" />
     <PreprocessorDefinitions Include="SHA512_ASM" />
@@ -38,7 +39,6 @@
     <PreprocessorDefinitions Include="OPENSSL_NO_DYNAMIC_ENGINE" />
   </ItemGroup>
   <ItemGroup Condition="'$(Platform)'=='Win32'">
-    <PreprocessorDefinitions Include="OPENSSL_BN_ASM_GF2m" />
     <PreprocessorDefinitions Include="OPENSSL_BN_ASM_PART_WORDS" />
     <PreprocessorDefinitions Include="OPENSSL_BN_ASM_MONT" />
     <PreprocessorDefinitions Include="RMD160_ASM" />
diff --git a/PCbuild/pcbuild.proj b/PCbuild/pcbuild.proj
index c320434..c6b8487 100644
--- a/PCbuild/pcbuild.proj
+++ b/PCbuild/pcbuild.proj
@@ -28,7 +28,7 @@
       <BuildTarget>Build</BuildTarget>
       <CleanTarget>Clean</CleanTarget>
       <CleanAllTarget>CleanAll</CleanAllTarget>
-      <BuildInParallel>true</BuildInParallel>
+      <BuildInParallel>false</BuildInParallel>
     </Projects2>
   </ItemDefinitionGroup>
   <ItemGroup>
@@ -48,10 +48,8 @@
     <Projects Include="pylauncher.vcxproj;pywlauncher.vcxproj" />
     <!-- pyshellext.dll -->
     <Projects Include="pyshellext.vcxproj" />
-    <!-- _freeze_importlib -->
-    <Projects Include="_freeze_importlib.vcxproj" />
     <!-- Extension modules -->
-    <ExtensionModules Include="_ctypes;_decimal;_elementtree;_msi;_multiprocessing;_overlapped;pyexpat;select;unicodedata;winsound" />
+    <ExtensionModules Include="_asyncio;_ctypes;_decimal;_elementtree;_msi;_multiprocessing;_overlapped;pyexpat;select;unicodedata;winsound" />
     <!-- Extension modules that require external sources -->
     <ExternalModules Include="_bz2;_lzma;_sqlite3" />
     <!-- _ssl will build _socket as well, which may cause conflicts in parallel builds -->
@@ -61,17 +59,17 @@
     <ExtensionModules Include="@(ExternalModules->'%(Identity)')" Condition="$(IncludeExternals)" />
     <Projects Include="@(ExtensionModules->'%(Identity).vcxproj')" Condition="$(IncludeExtensions)" />
     <!-- Test modules -->
-    <TestModules Include="_ctypes_test;_testbuffer;_testcapi;_testembed;_testimportmultiple;_testmultiphase" />
+    <TestModules Include="_ctypes_test;_testbuffer;_testcapi;_testembed;_testimportmultiple;_testmultiphase;_testconsole" />
     <TestModules Include="xxlimited" Condition="'$(Configuration)' == 'Release'" />
     <Projects Include="@(TestModules->'%(Identity).vcxproj')" Condition="$(IncludeTests)">
       <!-- Disable parallel build for test modules -->
       <BuildInParallel>false</BuildInParallel>
     </Projects>
     
+    <!-- _freeze_importlib -->
+    <Projects2 Include="_freeze_importlib.vcxproj" />
     <!-- python[w].exe -->
-    <Projects2 Include="python.vcxproj;pythonw.vcxproj">
-      <BuildInParallel>false</BuildInParallel>
-    </Projects2>
+    <Projects2 Include="python.vcxproj;pythonw.vcxproj" />
   </ItemGroup>
 
   <Target Name="Build">
diff --git a/PCbuild/pcbuild.sln b/PCbuild/pcbuild.sln
index 42a4d2b..0e65811 100644
--- a/PCbuild/pcbuild.sln
+++ b/PCbuild/pcbuild.sln
@@ -92,6 +92,10 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ssleay", "ssleay.vcxproj",
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "pyshellext", "pyshellext.vcxproj", "{0F6EE4A4-C75F-4578-B4B3-2D64F4B9B782}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "_testconsole", "_testconsole.vcxproj", "{B244E787-C445-441C-BDF4-5A4F1A3A1E51}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "_asyncio", "_asyncio.vcxproj", "{384C224A-7474-476E-A01B-750EA7DE918C}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
@@ -708,6 +712,22 @@ Global
 		{0F6EE4A4-C75F-4578-B4B3-2D64F4B9B782}.Release|Win32.Build.0 = Release|Win32
 		{0F6EE4A4-C75F-4578-B4B3-2D64F4B9B782}.Release|x64.ActiveCfg = Release|x64
 		{0F6EE4A4-C75F-4578-B4B3-2D64F4B9B782}.Release|x64.Build.0 = Release|x64
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.Debug|Win32.ActiveCfg = Debug|Win32
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.Debug|Win32.Build.0 = Debug|Win32
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.Debug|x64.ActiveCfg = Debug|x64
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.Debug|x64.Build.0 = Debug|x64
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.PGInstrument|Win32.ActiveCfg = Release|Win32
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.PGInstrument|Win32.Build.0 = Release|Win32
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.PGInstrument|x64.ActiveCfg = Release|x64
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.PGInstrument|x64.Build.0 = Release|x64
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.PGUpdate|Win32.ActiveCfg = Release|Win32
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.PGUpdate|Win32.Build.0 = Release|Win32
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.PGUpdate|x64.ActiveCfg = Release|x64
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.PGUpdate|x64.Build.0 = Release|x64
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.Release|Win32.ActiveCfg = Release|Win32
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.Release|Win32.Build.0 = Release|Win32
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.Release|x64.ActiveCfg = Release|x64
+		{B244E787-C445-441C-BDF4-5A4F1A3A1E51}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/PCbuild/prepare_ssl.bat b/PCbuild/prepare_ssl.bat
index 1be73e6..2f41ae8 100644
--- a/PCbuild/prepare_ssl.bat
+++ b/PCbuild/prepare_ssl.bat
@@ -3,10 +3,10 @@ if not defined HOST_PYTHON (
   if "%1" EQU "Debug" (
     shift
     set HOST_PYTHON=python_d.exe
-    if not exist python35_d.dll exit 1
+    if not exist python36_d.dll exit 1
   ) ELSE (
     set HOST_PYTHON=python.exe
-    if not exist python35.dll exit 1
+    if not exist python36.dll exit 1
   )
 )
 %HOST_PYTHON% "%~dp0prepare_ssl.py" %1
diff --git a/PCbuild/pyproject.props b/PCbuild/pyproject.props
index d1ac998..7012170 100644
--- a/PCbuild/pyproject.props
+++ b/PCbuild/pyproject.props
@@ -7,7 +7,6 @@
     <OutDir Condition="!HasTrailingSlash($(OutDir))">$(OutDir)\</OutDir>
     <Py_IntDir Condition="'$(Py_IntDir)' == ''">$(MSBuildThisFileDirectory)obj\</Py_IntDir>
     <IntDir>$(Py_IntDir)\$(ArchName)_$(Configuration)\$(ProjectName)\</IntDir>
-    <IntDir Condition="$(Configuration) == 'PGInstrument' or $(Configuration) == 'PGUpdate'">$(Py_IntDir)\$(ArchName)_PGO\$(ProjectName)\</IntDir>
     <TargetName Condition="'$(TargetName)' == ''">$(ProjectName)</TargetName>
     <TargetName>$(TargetName)$(PyDebugExt)</TargetName>
     <GenerateManifest>false</GenerateManifest>
@@ -148,11 +147,13 @@ foreach (System.Diagnostics.Process p in System.Diagnostics.Process.GetProcesses
              Targets="CleanAll" />
   </Target>
 
-  <PropertyGroup Condition="'$(SigningCertificate)' != '' and $(SupportSigning)">
-    <SignToolPath Condition="'$(SignToolPath)' == '' or !Exists($(SignToolPath))">$(registry:HKEY_LOCAL_MACHINE\Software\Microsoft\Windows Kits\Installed Roots@KitsRoot81)\bin\x86\signtool.exe</SignToolPath>
-    <SignToolPath Condition="!Exists($(SignToolPath))">$(registry:HKEY_LOCAL_MACHINE\Software\Microsoft\Windows Kits\Installed Roots@KitsRoot)\bin\x86\signtool.exe</SignToolPath>
-    <SignToolPath Condition="!Exists($(SignToolPath))">$(registry:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.1A@InstallationFolder)\Bin\signtool.exe</SignToolPath>
-    <_SignCommand Condition="Exists($(SignToolPath))">"$(SignToolPath)" sign /q /n "$(SigningCertificate)" /fd sha256 /t http://timestamp.verisign.com/scripts/timestamp.dll /d "Python $(PythonVersion)"</_SignCommand>
+  <PropertyGroup>
+    <SdkBinPath Condition="'$(SdkBinPath)' == '' or !Exists($(SdkBinPath))">$(registry:HKEY_LOCAL_MACHINE\Software\Microsoft\Windows Kits\Installed Roots@KitsRoot10)\bin\x86</SdkBinPath>
+    <SdkBinPath Condition="!Exists($(SdkBinPath))">$(registry:HKEY_LOCAL_MACHINE\Software\Microsoft\Windows Kits\Installed Roots@KitsRoot81)\bin\x86</SdkBinPath>
+    <SdkBinPath Condition="!Exists($(SdkBinPath))">$(registry:HKEY_LOCAL_MACHINE\Software\Microsoft\Windows Kits\Installed Roots@KitsRoot)\bin\x86</SdkBinPath>
+    <SdkBinPath Condition="!Exists($(SdkBinPath))">$(registry:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.1A@InstallationFolder)\Bin\</SdkBinPath>
+    <_SignCommand Condition="Exists($(SdkBinPath)) and '$(SigningCertificate)' != '' and $(SupportSigning)">"$(SdkBinPath)\signtool.exe" sign /q /n "$(SigningCertificate)" /fd sha256 /t http://timestamp.verisign.com/scripts/timestamp.dll /d "Python $(PythonVersion)"</_SignCommand>
+    <_MakeCatCommand Condition="Exists($(SdkBinPath))">"$(SdkBinPath)\makecat.exe"</_MakeCatCommand>
   </PropertyGroup>
   
   <Target Name="_SignBuild" AfterTargets="AfterBuild" Condition="'$(SigningCertificate)' != '' and $(SupportSigning)">
diff --git a/PCbuild/python.props b/PCbuild/python.props
index 1553731..dde94f7 100644
--- a/PCbuild/python.props
+++ b/PCbuild/python.props
@@ -25,7 +25,6 @@
     -->
     <ArchName Condition="'$(ArchName)' == '' and $(Platform) == 'x64'">amd64</ArchName>
     <ArchName Condition="'$(ArchName)' == ''">win32</ArchName>
-    <ArchName Condition="$(Configuration) == 'PGInstrument' or $(Configuration) == 'PGUpdate'">$(ArchName)-pgo</ArchName>
     
     <!-- Root directory of the repository -->
     <PySourcePath Condition="'$(PySourcePath)' == ''">$([System.IO.Path]::GetFullPath($(MSBuildThisFileDirectory)\..\))</PySourcePath>
@@ -43,9 +42,9 @@
     
     <!-- Directories of external projects. tcltk is handled in tcltk.props -->
     <ExternalsDir>$([System.IO.Path]::GetFullPath(`$(PySourcePath)externals\`))</ExternalsDir>
-    <sqlite3Dir>$(ExternalsDir)sqlite-3.8.11.0\</sqlite3Dir>
+    <sqlite3Dir>$(ExternalsDir)sqlite-3.14.2.0\</sqlite3Dir>
     <bz2Dir>$(ExternalsDir)bzip2-1.0.6\</bz2Dir>
-    <lzmaDir>$(ExternalsDir)xz-5.0.5\</lzmaDir>
+    <lzmaDir>$(ExternalsDir)xz-5.2.2\</lzmaDir>
     <opensslDir>$(ExternalsDir)openssl-1.0.2j\</opensslDir>
     <opensslIncludeDir>$(opensslDir)include32</opensslIncludeDir>
     <opensslIncludeDir Condition="'$(ArchName)' == 'amd64'">$(opensslDir)include64</opensslIncludeDir>
diff --git a/PCbuild/pythoncore.vcxproj b/PCbuild/pythoncore.vcxproj
index 970344f..6b23d8e 100644
--- a/PCbuild/pythoncore.vcxproj
+++ b/PCbuild/pythoncore.vcxproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
@@ -69,7 +69,7 @@
       <PreprocessorDefinitions>_USRDLL;Py_BUILD_CORE;Py_ENABLE_SHARED;MS_DLL_ID="$(SysWinVer)";%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>version.lib;ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>version.lib;shlwapi.lib;ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <BaseAddress>0x1e000000</BaseAddress>
     </Link>
   </ItemDefinitionGroup>
@@ -124,6 +124,7 @@
     <ClInclude Include="..\Include\odictobject.h" />
     <ClInclude Include="..\Include\opcode.h" />
     <ClInclude Include="..\Include\osdefs.h" />
+    <ClInclude Include="..\Include\osmodule.h" />
     <ClInclude Include="..\Include\parsetok.h" />
     <ClInclude Include="..\Include\patchlevel.h" />
     <ClInclude Include="..\Include\pgen.h" />
@@ -209,9 +210,13 @@
     <ClInclude Include="..\Python\condvar.h" />
     <ClInclude Include="..\Python\importdl.h" />
     <ClInclude Include="..\Python\thread_nt.h" />
+    <ClInclude Include="..\Python\wordcode_helpers.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\Modules\_bisectmodule.c" />
+    <ClCompile Include="..\Modules\_blake2\blake2module.c" />
+    <ClCompile Include="..\Modules\_blake2\blake2b_impl.c" />
+    <ClCompile Include="..\Modules\_blake2\blake2s_impl.c" />
     <ClCompile Include="..\Modules\_codecsmodule.c" />
     <ClCompile Include="..\Modules\_collectionsmodule.c" />
     <ClCompile Include="..\Modules\_csv.c" />
@@ -223,6 +228,7 @@
     <ClCompile Include="..\Modules\_math.c" />
     <ClCompile Include="..\Modules\_pickle.c" />
     <ClCompile Include="..\Modules\_randommodule.c" />
+    <ClCompile Include="..\Modules\_sha3\sha3module.c" />
     <ClCompile Include="..\Modules\_sre.c" />
     <ClCompile Include="..\Modules\_stat.c" />
     <ClCompile Include="..\Modules\_struct.c" />
@@ -264,6 +270,7 @@
     <ClCompile Include="..\Modules\_io\bufferedio.c" />
     <ClCompile Include="..\Modules\_io\iobase.c" />
     <ClCompile Include="..\Modules\_io\textio.c" />
+    <ClCompile Include="..\Modules\_io\winconsoleio.c" />
     <ClCompile Include="..\Modules\_io\_iomodule.c" />
     <ClCompile Include="..\Modules\zlib\adler32.c" />
     <ClCompile Include="..\Modules\zlib\compress.c" />
@@ -414,6 +421,7 @@
       <HgVersion Condition="Exists('$(IntDir)hgversion.txt')">$([System.IO.File]::ReadAllText('$(IntDir)hgversion.txt').Trim())</HgVersion>
       <HgTag Condition="Exists('$(IntDir)hgtag.txt')">$([System.IO.File]::ReadAllText('$(IntDir)hgtag.txt').Trim())</HgTag>
     </PropertyGroup>
+    <Message Text="Building $(HgTag):$(HgVersion) $(HgBranch)" Importance="high" />
     <ItemGroup>
       <ClCompile Include="..\Modules\getbuildinfo.c">
         <PreprocessorDefinitions>HGVERSION="$(HgVersion)";HGTAG="$(HgTag)";HGBRANCH="$(HgBranch)";%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -423,4 +431,4 @@
   <Target Name="_WarnAboutToolset" BeforeTargets="PrepareForBuild" Condition="$(PlatformToolset) != 'v140'">
     <Warning Text="Toolset $(PlatformToolset) is not used for official builds. Your build may have errors or incompatibilities." />
   </Target>
-</Project>
-\ No newline at end of file
+</Project>
diff --git a/PCbuild/pythoncore.vcxproj.filters b/PCbuild/pythoncore.vcxproj.filters
index 837b736..762210d 100644
--- a/PCbuild/pythoncore.vcxproj.filters
+++ b/PCbuild/pythoncore.vcxproj.filters
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
     <Filter Include="Include">
@@ -177,6 +177,9 @@
     <ClInclude Include="..\Include\osdefs.h">
       <Filter>Include</Filter>
     </ClInclude>
+    <ClInclude Include="..\Include\osmodule.h">
+      <Filter>Include</Filter>
+    </ClInclude>
     <ClInclude Include="..\Include\parsetok.h">
       <Filter>Include</Filter>
     </ClInclude>
@@ -420,6 +423,9 @@
     <ClInclude Include="..\Python\thread_nt.h">
       <Filter>Python</Filter>
     </ClInclude>
+    <ClInclude Include="..\Python\wordcode_helpers.h">
+      <Filter>Python</Filter>
+    </ClInclude>
     <ClInclude Include="..\Python\condvar.h">
       <Filter>Python</Filter>
     </ClInclude>
@@ -440,9 +446,21 @@
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="..\Modules\_asynciomodule.c">
+      <Filter>Modules</Filter>
+    </ClCompile>
     <ClCompile Include="..\Modules\_bisectmodule.c">
       <Filter>Modules</Filter>
     </ClCompile>
+    <ClCompile Include="..\Modules\_blake2\blake2module.c">
+      <Filter>Modules</Filter>
+    </ClCompile>
+    <ClCompile Include="..\Modules\_blake2\blake2b_impl.c">
+      <Filter>Modules</Filter>
+    </ClCompile>
+    <ClCompile Include="..\Modules\_blake2\blake2s_impl.c">
+      <Filter>Modules</Filter>
+    </ClCompile>
     <ClCompile Include="..\Modules\_codecsmodule.c">
       <Filter>Modules</Filter>
     </ClCompile>
@@ -476,6 +494,9 @@
     <ClCompile Include="..\Modules\_randommodule.c">
       <Filter>Modules</Filter>
     </ClCompile>
+    <ClCompile Include="..\Modules\_sha3\sha3module.c">
+      <Filter>Modules</Filter>
+    </ClCompile>
     <ClCompile Include="..\Modules\_sre.c">
       <Filter>Modules</Filter>
     </ClCompile>
@@ -587,6 +608,9 @@
     <ClCompile Include="..\Modules\_io\textio.c">
       <Filter>Modules\_io</Filter>
     </ClCompile>
+    <ClCompile Include="..\Modules\_io\winconsoleio.c">
+      <Filter>Modules\_io</Filter>
+    </ClCompile>
     <ClCompile Include="..\Modules\_io\_iomodule.c">
       <Filter>Modules\_io</Filter>
     </ClCompile>
@@ -980,4 +1004,4 @@
       <Filter>Resource Files</Filter>
     </ResourceCompile>
   </ItemGroup>
-</Project>
-\ No newline at end of file
+</Project>
diff --git a/PCbuild/pythonw.vcxproj b/PCbuild/pythonw.vcxproj
index caed1e8..e40f66c 100644
--- a/PCbuild/pythonw.vcxproj
+++ b/PCbuild/pythonw.vcxproj
@@ -62,7 +62,7 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ResourceCompile Include="..\PC\python_exe.rc" />
+    <ResourceCompile Include="..\PC\pythonw_exe.rc" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\PC\WinMain.c" />
diff --git a/PCbuild/readme.txt b/PCbuild/readme.txt
index 2462012..c04ba4e 100644
--- a/PCbuild/readme.txt
+++ b/PCbuild/readme.txt
@@ -48,7 +48,7 @@ Debug
     Used to build Python with extra debugging capabilities, equivalent
     to using ./configure --with-pydebug on UNIX.  All binaries built
     using this configuration have "_d" added to their name:
-    python35_d.dll, python_d.exe, parser_d.pyd, and so on.  Both the
+    python36_d.dll, python_d.exe, parser_d.pyd, and so on.  Both the
     build and rt (run test) batch files in this directory accept a -d
     option for debug builds.  If you are building Python to help with
     development of CPython, you will most likely use this configuration.
@@ -204,11 +204,11 @@ _ssl
     functionality to _ssl or _hashlib. They will not clean up their output
     with the normal Clean target; CleanAll should be used instead.
 _sqlite3
-    Wraps SQLite 3.8.11.0, which is itself built by sqlite3.vcxproj
+    Wraps SQLite 3.14.2.0, which is itself built by sqlite3.vcxproj
     Homepage:
         http://www.sqlite.org/
 _tkinter
-    Wraps version 8.6.4 of the Tk windowing system.
+    Wraps version 8.6.6 of the Tk windowing system.
     Homepage:
         http://www.tcl.tk/
 
diff --git a/PCbuild/rt.bat b/PCbuild/rt.bat
index 2d93b80..3582672 100644
--- a/PCbuild/rt.bat
+++ b/PCbuild/rt.bat
@@ -42,12 +42,15 @@ if "%1"=="-x64" (set prefix=%pcbuild%amd64\) & shift & goto CheckOpts
 if NOT "%1"=="" (set regrtestargs=%regrtestargs% %1) & shift & goto CheckOpts
 
 set exe=%prefix%python%suffix%.exe
-set cmd="%exe%" %dashO% -Wd -E -bb "%pcbuild%..\lib\test\regrtest.py" %regrtestargs%
+set cmd="%exe%" %dashO% -Wd -E -bb -m test %regrtestargs%
 if defined qmode goto Qmode
 
 echo Deleting .pyc/.pyo files ...
 "%exe%" "%pcbuild%rmpyc.py"
 
+echo Cleaning _pth files ...
+if exist %prefix%*._pth del %prefix%*._pth 
+
 echo on
 %cmd%
 @echo off
diff --git a/PCbuild/sqlite3.vcxproj b/PCbuild/sqlite3.vcxproj
index c841c5a..4f5b196 100644
--- a/PCbuild/sqlite3.vcxproj
+++ b/PCbuild/sqlite3.vcxproj
@@ -66,7 +66,7 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <AdditionalIncludeDirectories>$(sqlite3Dir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>SQLITE_API=__declspec(dllexport);%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>SQLITE_ENABLE_FTS4;SQLITE_ENABLE_FTS5;SQLITE_API=__declspec(dllexport);%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>Level1</WarningLevel>
     </ClCompile>
     <ResourceCompile>
@@ -86,4 +86,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
-\ No newline at end of file
+</Project>
diff --git a/PCbuild/tcltk.props b/PCbuild/tcltk.props
index 11dbffb..57bb98a 100644
--- a/PCbuild/tcltk.props
+++ b/PCbuild/tcltk.props
@@ -4,8 +4,8 @@
   <PropertyGroup>
     <TclMajorVersion>8</TclMajorVersion>
     <TclMinorVersion>6</TclMinorVersion>
-    <TclPatchLevel>4</TclPatchLevel>
-    <TclRevision>2</TclRevision>
+    <TclPatchLevel>6</TclPatchLevel>
+    <TclRevision>0</TclRevision>
     <TkMajorVersion>$(TclMajorVersion)</TkMajorVersion>
     <TkMinorVersion>$(TclMinorVersion)</TkMinorVersion>
     <TkPatchLevel>$(TclPatchLevel)</TkPatchLevel>
@@ -42,4 +42,4 @@
     <BuildDirTop Condition="$(PlatformToolset) == 'v110'">$(BuildDirTop)_VC11</BuildDirTop>
     <BuildDirTop Condition="$(PlatformToolset) == 'v100'">$(BuildDirTop)_VC10</BuildDirTop>
   </PropertyGroup>
-</Project>
-\ No newline at end of file
+</Project>
diff --git a/PCbuild/xxlimited.vcxproj b/PCbuild/xxlimited.vcxproj
index 0144fa9..9dbdc77 100644
--- a/PCbuild/xxlimited.vcxproj
+++ b/PCbuild/xxlimited.vcxproj
@@ -62,7 +62,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup>
     <ClCompile>
-      <PreprocessorDefinitions>%(PreprocessorDefinitions);Py_LIMITED_API=0x03050000</PreprocessorDefinitions>
+      <PreprocessorDefinitions>%(PreprocessorDefinitions);Py_LIMITED_API=0x03060000</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <AdditionalDependencies>wsock32.lib;%(AdditionalDependencies)</AdditionalDependencies>