diff --git a/App.config b/App.config
index 20e37be35..6a4d4b1c2 100644
--- a/App.config
+++ b/App.config
@@ -1,14 +1,14 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.1"/>
     </startup>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
-        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-10.0.0.0" newVersion="11.0.0.0" />
+        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral"/>
+        <bindingRedirect oldVersion="0.0.0.0-10.0.0.0" newVersion="11.0.0.0"/>
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-</configuration>
\ No newline at end of file
+</configuration>
diff --git a/Launcher/Launcher.csproj b/Launcher/Launcher.csproj
index ec6a43992..24379e8b0 100644
--- a/Launcher/Launcher.csproj
+++ b/Launcher/Launcher.csproj
@@ -16,7 +16,7 @@
     <UpgradeBackupLocation>
     </UpgradeBackupLocation>
     <OldToolsVersion>2.0</OldToolsVersion>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
     <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
diff --git a/Launcher/app.config b/Launcher/app.config
index 2a2d44990..ba98fc967 100644
--- a/Launcher/app.config
+++ b/Launcher/app.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <startup>
-    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/>
+    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.1"/>
   </startup>
 </configuration>
diff --git a/MatterControl.Winforms/MatterControl.Winforms.csproj b/MatterControl.Winforms/MatterControl.Winforms.csproj
index b67f581ab..c4ca26500 100644
--- a/MatterControl.Winforms/MatterControl.Winforms.csproj
+++ b/MatterControl.Winforms/MatterControl.Winforms.csproj
@@ -9,9 +9,10 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MatterControl.Winforms</RootNamespace>
     <AssemblyName>MatterControl.Winforms</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <Deterministic>true</Deterministic>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/MatterControl.csproj b/MatterControl.csproj
index eee506988..99fe37c3a 100644
--- a/MatterControl.csproj
+++ b/MatterControl.csproj
@@ -8,12 +8,13 @@
     <OutputType>WinExe</OutputType>
     <RootNamespace>MatterControl</RootNamespace>
     <AssemblyName>MatterControl</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <!--See the following for details on netstandard2 binding workround: https://github.com/dotnet/standard/issues/481-->
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <RestoreProjectStyle>PackageReference</RestoreProjectStyle>
     <GenerateBindingRedirectsOutputType>true</GenerateBindingRedirectsOutputType>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
diff --git a/PrinterDriverInstaller/InfInstaller.csproj b/PrinterDriverInstaller/InfInstaller.csproj
index 324f22dca..2443f8a54 100644
--- a/PrinterDriverInstaller/InfInstaller.csproj
+++ b/PrinterDriverInstaller/InfInstaller.csproj
@@ -16,7 +16,7 @@
     <UpgradeBackupLocation>
     </UpgradeBackupLocation>
     <OldToolsVersion>2.0</OldToolsVersion>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
     <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
diff --git a/PrinterDriverInstaller/app.config b/PrinterDriverInstaller/app.config
index 2a2d44990..ba98fc967 100644
--- a/PrinterDriverInstaller/app.config
+++ b/PrinterDriverInstaller/app.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <startup>
-    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/>
+    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.1"/>
   </startup>
 </configuration>
diff --git a/Submodules/MatterSlice b/Submodules/MatterSlice
index 4f2a49a97..203fc3a44 160000
--- a/Submodules/MatterSlice
+++ b/Submodules/MatterSlice
@@ -1 +1 @@
-Subproject commit 4f2a49a976ad2c550a044a5ba60b017f34396ad9
+Subproject commit 203fc3a44189be57d794f7c7ff75fa5d1787ed72
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index 9feabab68..2dd8e7465 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit 9feabab68280269e8dc4e1e74edeb270e2eaf019
+Subproject commit 2dd8e74658e8e782812eca7298c35736f641b4e1
diff --git a/Tests/MatterControl.AutomationTests/MatterControl.AutomationTests.csproj b/Tests/MatterControl.AutomationTests/MatterControl.AutomationTests.csproj
index 392e9b819..f0948f0a1 100644
--- a/Tests/MatterControl.AutomationTests/MatterControl.AutomationTests.csproj
+++ b/Tests/MatterControl.AutomationTests/MatterControl.AutomationTests.csproj
@@ -17,7 +17,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MatterControl.AutomationTests</RootNamespace>
     <AssemblyName>MatterControl.AutomationTests</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
diff --git a/Tests/MatterControl.Tests/MatterControl.Tests.csproj b/Tests/MatterControl.Tests/MatterControl.Tests.csproj
index 2e9fe9e4e..7fdd00a81 100644
--- a/Tests/MatterControl.Tests/MatterControl.Tests.csproj
+++ b/Tests/MatterControl.Tests/MatterControl.Tests.csproj
@@ -17,7 +17,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MatterControl.Tests</RootNamespace>
     <AssemblyName>MatterControl.Tests</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
     <TargetFrameworkProfile />