diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index e0eb63b265..4d9b35bc98 100644
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -21,7 +21,7 @@
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
     <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DefineConstants>TRACE;DEBUG</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <Prefer32Bit>false</Prefer32Bit>
@@ -52,8 +52,8 @@
     <Reference Include="ICSharpCode.SharpZipLib">
       <HintPath>..\packages\SharpZipLib.0.86.0\lib\20\ICSharpCode.SharpZipLib.dll</HintPath>
     </Reference>
-    <Reference Include="ImageProcessor, Version=2.4.5.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\ImageProcessor.2.4.5.0\lib\net45\ImageProcessor.dll</HintPath>
+    <Reference Include="ImageProcessor, Version=2.5.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\ImageProcessor.2.5.0.0\lib\net45\ImageProcessor.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="log4net, Version=1.2.11.0, Culture=neutral, processorArchitecture=MSIL">
diff --git a/src/Umbraco.Core/packages.config b/src/Umbraco.Core/packages.config
index 35d78437e7..0e394ae2c9 100644
--- a/src/Umbraco.Core/packages.config
+++ b/src/Umbraco.Core/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="AutoMapper" version="3.3.1" targetFramework="net45" />
   <package id="HtmlAgilityPack" version="1.4.9" targetFramework="net45" />
-  <package id="ImageProcessor" version="2.4.5.0" targetFramework="net45" />
+  <package id="ImageProcessor" version="2.5.0.0" targetFramework="net45" />
   <package id="log4net-mediumtrust" version="2.0.0" targetFramework="net4" />
   <package id="Microsoft.AspNet.Identity.Core" version="2.2.1" targetFramework="net45" />
   <package id="Microsoft.AspNet.Identity.Owin" version="2.2.1" targetFramework="net45" />
diff --git a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
index 6c46ff0f80..38c333528c 100644
--- a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
+++ b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
@@ -41,9 +41,9 @@
     <TargetFrameworkProfile />
     <UseIISExpress>true</UseIISExpress>
     <IISExpressSSLPort>44319</IISExpressSSLPort>
-    <IISExpressAnonymousAuthentication />
-    <IISExpressWindowsAuthentication />
-    <IISExpressUseClassicPipelineMode />
+    <IISExpressAnonymousAuthentication>enabled</IISExpressAnonymousAuthentication>
+    <IISExpressWindowsAuthentication>disabled</IISExpressWindowsAuthentication>
+    <IISExpressUseClassicPipelineMode>false</IISExpressUseClassicPipelineMode>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <RestorePackages>true</RestorePackages>
     <MvcProjectUpgradeChecked>true</MvcProjectUpgradeChecked>
@@ -56,7 +56,7 @@
     <CheckForOverflowUnderflow>false</CheckForOverflowUnderflow>
     <ConfigurationOverrideFile>
     </ConfigurationOverrideFile>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DefineConstants>TRACE;DEBUG</DefineConstants>
     <DocumentationFile>
     </DocumentationFile>
     <DebugSymbols>true</DebugSymbols>
@@ -135,12 +135,12 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\SharpZipLib.0.86.0\lib\20\ICSharpCode.SharpZipLib.dll</HintPath>
     </Reference>
-    <Reference Include="ImageProcessor, Version=2.4.5.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\ImageProcessor.2.4.5.0\lib\net45\ImageProcessor.dll</HintPath>
+    <Reference Include="ImageProcessor, Version=2.5.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\ImageProcessor.2.5.0.0\lib\net45\ImageProcessor.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="ImageProcessor.Web, Version=4.6.6.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\ImageProcessor.Web.4.6.6.0\lib\net45\ImageProcessor.Web.dll</HintPath>
+    <Reference Include="ImageProcessor.Web, Version=4.7.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\ImageProcessor.Web.4.7.0.0\lib\net45\ImageProcessor.Web.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="log4net, Version=1.2.11.0, Culture=neutral, processorArchitecture=MSIL">
@@ -168,6 +168,10 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
+    <Reference Include="Microsoft.IO.RecyclableMemoryStream, Version=1.2.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.IO.RecyclableMemoryStream.1.2.0\lib\net45\Microsoft.IO.RecyclableMemoryStream.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Microsoft.Owin">
       <HintPath>..\packages\Microsoft.Owin.3.0.1\lib\net45\Microsoft.Owin.dll</HintPath>
       <Private>True</Private>
diff --git a/src/Umbraco.Web.UI/packages.config b/src/Umbraco.Web.UI/packages.config
index 008e5e404c..e363460949 100644
--- a/src/Umbraco.Web.UI/packages.config
+++ b/src/Umbraco.Web.UI/packages.config
@@ -5,8 +5,8 @@
   <package id="ClientDependency-Mvc5" version="1.8.0.0" targetFramework="net45" />
   <package id="dotless" version="1.4.1.0" targetFramework="net45" />
   <package id="Examine" version="0.1.70.0" targetFramework="net45" />
-  <package id="ImageProcessor" version="2.4.5.0" targetFramework="net45" />
-  <package id="ImageProcessor.Web" version="4.6.6.0" targetFramework="net45" />
+  <package id="ImageProcessor" version="2.5.0.0" targetFramework="net45" />
+  <package id="ImageProcessor.Web" version="4.7.0.0" targetFramework="net45" />
   <package id="log4net-mediumtrust" version="2.0.0" targetFramework="net45" />
   <package id="Lucene.Net" version="2.9.4.1" targetFramework="net45" />
   <package id="Microsoft.AspNet.Identity.Core" version="2.2.1" targetFramework="net45" />
@@ -21,6 +21,7 @@
   <package id="Microsoft.CodeAnalysis.Analyzers" version="1.0.0" targetFramework="net45" />
   <package id="Microsoft.CodeAnalysis.Common" version="1.0.0" targetFramework="net45" />
   <package id="Microsoft.CodeAnalysis.CSharp" version="1.0.0" targetFramework="net45" />
+  <package id="Microsoft.IO.RecyclableMemoryStream" version="1.2.0" targetFramework="net45" />
   <package id="Microsoft.Owin" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net45" />