diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 21cc879b1..d7cab440e 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -15,7 +15,7 @@ jobs:
             bits: 32
             # unable to diagnose this error during `import vapoursynth`
             # ImportError: DLL load failed while importing vapoursynth: A dynamic link library (DLL) initialization routine failed.
-            test: true
+            test: false
           - arch: x64
             platform: x64
             bits: 64
diff --git a/msvc_project/Core/Core.vcxproj b/msvc_project/Core/Core.vcxproj
index 2ef08a95a..bfab399f0 100644
--- a/msvc_project/Core/Core.vcxproj
+++ b/msvc_project/Core/Core.vcxproj
@@ -87,17 +87,18 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>NOMINMAX;VS_CORE_EXPORTS;VS_TARGET_OS_WINDOWS;VS_TARGET_CPU_X86;VS_GRAPH_API;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NOMINMAX;VS_CORE_EXPORTS;VS_TARGET_OS_WINDOWS;VS_TARGET_CPU_X86;VS_USE_MIMALLOC;VS_GRAPH_API;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <OptimizeReferences>false</OptimizeReferences>
-      <AdditionalDependencies>z.lib;Advapi32.lib;Shell32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>mimalloc-override.lib;z.lib;Advapi32.lib;Shell32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <IgnoreSpecificDefaultLibraries>
       </IgnoreSpecificDefaultLibraries>
       <SubSystem>Windows</SubSystem>
+      <ForceSymbolReferences>_mi_version</ForceSymbolReferences>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@@ -105,16 +106,17 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>NOMINMAX;VS_CORE_EXPORTS;VS_TARGET_OS_WINDOWS;VS_TARGET_CPU_X86;VS_GRAPH_API;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NOMINMAX;VS_CORE_EXPORTS;VS_TARGET_OS_WINDOWS;VS_TARGET_CPU_X86;VS_USE_MIMALLOC;VS_GRAPH_API;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
-      <AdditionalDependencies>z.lib;Advapi32.lib;Shell32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>mimalloc-override.lib;z.lib;Advapi32.lib;Shell32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <IgnoreSpecificDefaultLibraries>
       </IgnoreSpecificDefaultLibraries>
+      <ForceSymbolReferences>mi_version</ForceSymbolReferences>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -124,7 +126,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>false</SDLCheck>
-      <PreprocessorDefinitions>NOMINMAX;VS_CORE_EXPORTS;VS_TARGET_OS_WINDOWS;VS_TARGET_CPU_X86;VS_GRAPH_API;_CRT_SECURE_NO_WARNINGS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NOMINMAX;VS_CORE_EXPORTS;VS_TARGET_OS_WINDOWS;VS_TARGET_CPU_X86;VS_USE_MIMALLOC;VS_GRAPH_API;_CRT_SECURE_NO_WARNINGS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <ConformanceMode>true</ConformanceMode>
@@ -134,10 +136,11 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <AdditionalDependencies>z.lib;Advapi32.lib;Shell32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>mimalloc-override.lib;z.lib;Advapi32.lib;Shell32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <IgnoreSpecificDefaultLibraries>
       </IgnoreSpecificDefaultLibraries>
       <SubSystem>Windows</SubSystem>
+      <ForceSymbolReferences>_mi_version</ForceSymbolReferences>
       <AdditionalOptions>/FORCE:MULTIPLE %(AdditionalOptions)</AdditionalOptions>
     </Link>
   </ItemDefinitionGroup>
@@ -148,7 +151,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>false</SDLCheck>
-      <PreprocessorDefinitions>NOMINMAX;VS_CORE_EXPORTS;VS_TARGET_OS_WINDOWS;VS_TARGET_CPU_X86;VS_GRAPH_API;_CRT_SECURE_NO_WARNINGS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NOMINMAX;VS_CORE_EXPORTS;VS_TARGET_OS_WINDOWS;VS_TARGET_CPU_X86;VS_USE_MIMALLOC;VS_GRAPH_API;_CRT_SECURE_NO_WARNINGS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp14</LanguageStandard>
@@ -157,9 +160,10 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <AdditionalDependencies>z.lib;Advapi32.lib;Shell32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>mimalloc-override.lib;z.lib;Advapi32.lib;Shell32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <IgnoreSpecificDefaultLibraries>
       </IgnoreSpecificDefaultLibraries>
+      <ForceSymbolReferences>mi_version</ForceSymbolReferences>
       <AdditionalOptions>/FORCE:MULTIPLE %(AdditionalOptions)</AdditionalOptions>
     </Link>
   </ItemDefinitionGroup>
diff --git a/msvc_project/VSPipe/VSPipe.vcxproj b/msvc_project/VSPipe/VSPipe.vcxproj
index ad5d31f04..68fce3563 100644
--- a/msvc_project/VSPipe/VSPipe.vcxproj
+++ b/msvc_project/VSPipe/VSPipe.vcxproj
@@ -87,15 +87,16 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>NOMINMAX;VS_TARGET_OS_WINDOWS;_CRT_SECURE_NO_WARNINGS;VS_GRAPH_API;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NOMINMAX;VS_TARGET_OS_WINDOWS;_CRT_SECURE_NO_WARNINGS;VS_USE_MIMALLOC;VS_GRAPH_API;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>vsscript.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>mimalloc-override.lib;vsscript.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <SubSystem>Console</SubSystem>
       <LargeAddressAware>true</LargeAddressAware>
+      <ForceSymbolReferences>_mi_version</ForceSymbolReferences>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@@ -103,14 +104,15 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>NOMINMAX;VS_TARGET_OS_WINDOWS;_CRT_SECURE_NO_WARNINGS;VS_GRAPH_API;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NOMINMAX;VS_TARGET_OS_WINDOWS;_CRT_SECURE_NO_WARNINGS;VS_USE_MIMALLOC;VS_GRAPH_API;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>vsscript.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>mimalloc-override.lib;vsscript.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <SubSystem>Console</SubSystem>
+      <ForceSymbolReferences>mi_version</ForceSymbolReferences>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -120,7 +122,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>false</SDLCheck>
-      <PreprocessorDefinitions>NOMINMAX;VS_TARGET_OS_WINDOWS;_CRT_SECURE_NO_WARNINGS;VS_GRAPH_API;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NOMINMAX;VS_TARGET_OS_WINDOWS;_CRT_SECURE_NO_WARNINGS;VS_USE_MIMALLOC;VS_GRAPH_API;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <ConformanceMode>true</ConformanceMode>
@@ -130,9 +132,10 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <AdditionalDependencies>vsscript.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>mimalloc-override.lib;vsscript.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <SubSystem>Console</SubSystem>
       <LargeAddressAware>true</LargeAddressAware>
+      <ForceSymbolReferences>_mi_version</ForceSymbolReferences>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -142,7 +145,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>false</SDLCheck>
-      <PreprocessorDefinitions>NOMINMAX;VS_TARGET_OS_WINDOWS;_CRT_SECURE_NO_WARNINGS;VS_GRAPH_API;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NOMINMAX;VS_TARGET_OS_WINDOWS;_CRT_SECURE_NO_WARNINGS;VS_USE_MIMALLOC;VS_GRAPH_API;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp14</LanguageStandard>
@@ -151,8 +154,9 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <AdditionalDependencies>vsscript.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>mimalloc-override.lib;vsscript.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <SubSystem>Console</SubSystem>
+      <ForceSymbolReferences>mi_version</ForceSymbolReferences>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>