diff --git a/BenchManager/.nuget/packages.config b/BenchManager/.nuget/packages.config
index 365735b1..c2002231 100644
--- a/BenchManager/.nuget/packages.config
+++ b/BenchManager/.nuget/packages.config
@@ -2,4 +2,5 @@
 <packages>
   <package id="EWSoftware.SHFB" version="2017.1.28.0" targetFramework="net20" />
   <package id="EWSoftware.SHFB.NETFramework" version="4.6.2" targetFramework="net20" />
+  <package id="HtmlAgilityPack" version="1.8.11" targetFramework="net462" />
 </packages>
\ No newline at end of file
diff --git a/BenchManager/BenchCLI/Properties/AssemblyInfo.cs b/BenchManager/BenchCLI/Properties/AssemblyInfo.cs
index 6539ba8c..94ab0764 100644
--- a/BenchManager/BenchCLI/Properties/AssemblyInfo.cs
+++ b/BenchManager/BenchCLI/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
 // übernehmen, indem Sie "*" eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.20.5.0")]
-[assembly: AssemblyFileVersion("0.20.5.0")]
+[assembly: AssemblyVersion("0.21.0.0")]
+[assembly: AssemblyFileVersion("0.21.0.0")]
diff --git a/BenchManager/BenchDashboard/BenchDashboard.csproj b/BenchManager/BenchDashboard/BenchDashboard.csproj
index 65b54ff2..374f5650 100644
--- a/BenchManager/BenchDashboard/BenchDashboard.csproj
+++ b/BenchManager/BenchDashboard/BenchDashboard.csproj
@@ -328,13 +328,13 @@
       <ErrorText>Dieses Projekt verweist auf mindestens ein NuGet-Paket, das auf diesem Computer fehlt. Verwenden Sie die Wiederherstellung von NuGet-Paketen, um die fehlenden Dateien herunterzuladen. Weitere Informationen finden Sie unter "http://go.microsoft.com/fwlink/?LinkID=322105". Die fehlende Datei ist "{0}".</ErrorText>
     </PropertyGroup>
     <Error Condition="!Exists('..\packages\Microsoft.Net.Compilers.1.3.2\build\Microsoft.Net.Compilers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Net.Compilers.1.3.2\build\Microsoft.Net.Compilers.props'))" />
-    <Error Condition="!Exists('..\packages\ConEmu.Core.16.7.24.0\build\ConEmu.Core.Targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\ConEmu.Core.16.7.24.0\build\ConEmu.Core.Targets'))" />
+    <Error Condition="!Exists('..\packages\ConEmu.Core.18.6.26\build\ConEmu.Core.Targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\ConEmu.Core.18.6.26\build\ConEmu.Core.Targets'))" />
   </Target>
-  <Import Project="..\packages\ConEmu.Core.16.7.24.0\build\ConEmu.Core.Targets" Condition="Exists('..\packages\ConEmu.Core.16.7.24.0\build\ConEmu.Core.Targets')" />
   <PropertyGroup>
     <PostBuildEvent>copy "$(TargetPath)" "$(SolutionDir)..\auto\bin\$(TargetFileName)"
 copy "$(TargetPath).config" "$(SolutionDir)..\auto\bin\$(TargetFileName).config"</PostBuildEvent>
   </PropertyGroup>
+  <Import Project="..\packages\ConEmu.Core.18.6.26\build\ConEmu.Core.Targets" Condition="Exists('..\packages\ConEmu.Core.18.6.26\build\ConEmu.Core.Targets')" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/BenchManager/BenchDashboard/Properties/AssemblyInfo.cs b/BenchManager/BenchDashboard/Properties/AssemblyInfo.cs
index a21c793c..29cd0c55 100644
--- a/BenchManager/BenchDashboard/Properties/AssemblyInfo.cs
+++ b/BenchManager/BenchDashboard/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.20.5.0")]
-[assembly: AssemblyFileVersion("0.20.5.0")]
+[assembly: AssemblyVersion("0.21.0.0")]
+[assembly: AssemblyFileVersion("0.21.0.0")]
diff --git a/BenchManager/BenchDashboard/packages.config b/BenchManager/BenchDashboard/packages.config
index d640a679..ff2be151 100644
--- a/BenchManager/BenchDashboard/packages.config
+++ b/BenchManager/BenchDashboard/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="ConEmu.Control.WinForms" version="1.0.20160518.0" targetFramework="net45" />
-  <package id="ConEmu.Core" version="16.7.24.0" targetFramework="net45" />
+  <package id="ConEmu.Core" version="18.6.26" targetFramework="net462" />
 </packages>
\ No newline at end of file
diff --git a/BenchManager/BenchLib.Test/BenchLib.Test.csproj b/BenchManager/BenchLib.Test/BenchLib.Test.csproj
index eb37accf..56d20980 100644
--- a/BenchManager/BenchLib.Test/BenchLib.Test.csproj
+++ b/BenchManager/BenchLib.Test/BenchLib.Test.csproj
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\NUnit.3.11.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.11.0\build\NUnit.props')" />
   <Import Project="..\packages\Microsoft.Net.Compilers.1.3.2\build\Microsoft.Net.Compilers.props" Condition="Exists('..\packages\Microsoft.Net.Compilers.1.3.2\build\Microsoft.Net.Compilers.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
@@ -36,9 +37,8 @@
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="nunit.framework, Version=3.4.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.4.1\lib\net45\nunit.framework.dll</HintPath>
-      <Private>True</Private>
+    <Reference Include="nunit.framework, Version=3.11.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnit.3.11.0\lib\net45\nunit.framework.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Data" />
@@ -70,6 +70,7 @@
       <ErrorText>Dieses Projekt verweist auf mindestens ein NuGet-Paket, das auf diesem Computer fehlt. Verwenden Sie die Wiederherstellung von NuGet-Paketen, um die fehlenden Dateien herunterzuladen. Weitere Informationen finden Sie unter "http://go.microsoft.com/fwlink/?LinkID=322105". Die fehlende Datei ist "{0}".</ErrorText>
     </PropertyGroup>
     <Error Condition="!Exists('..\packages\Microsoft.Net.Compilers.1.3.2\build\Microsoft.Net.Compilers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Net.Compilers.1.3.2\build\Microsoft.Net.Compilers.props'))" />
+    <Error Condition="!Exists('..\packages\NUnit.3.11.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.11.0\build\NUnit.props'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/BenchManager/BenchLib.Test/packages.config b/BenchManager/BenchLib.Test/packages.config
index f2fd55af..803d28fa 100644
--- a/BenchManager/BenchLib.Test/packages.config
+++ b/BenchManager/BenchLib.Test/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NUnit" version="3.4.1" targetFramework="net45" />
+  <package id="NUnit" version="3.11.0" targetFramework="net462" />
 </packages>
\ No newline at end of file
diff --git a/BenchManager/BenchLib/BenchLib.csproj b/BenchManager/BenchLib/BenchLib.csproj
index c5ac4290..a997f1a1 100644
--- a/BenchManager/BenchLib/BenchLib.csproj
+++ b/BenchManager/BenchLib/BenchLib.csproj
@@ -40,8 +40,11 @@
     <DocumentationFile>bin\Release\BenchLib.xml</DocumentationFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="DotNetZip, Version=1.11.0.0, Culture=neutral, PublicKeyToken=6583c7c814667745, processorArchitecture=MSIL">
-      <HintPath>..\packages\DotNetZip.1.11.0\lib\net20\DotNetZip.dll</HintPath>
+    <Reference Include="DotNetZip, Version=1.12.0.0, Culture=neutral, PublicKeyToken=6583c7c814667745, processorArchitecture=MSIL">
+      <HintPath>..\packages\DotNetZip.1.12.0\lib\net20\DotNetZip.dll</HintPath>
+    </Reference>
+    <Reference Include="HtmlAgilityPack, Version=1.8.11.0, Culture=neutral, PublicKeyToken=bd319b19eaf3b43a, processorArchitecture=MSIL">
+      <HintPath>..\packages\HtmlAgilityPack.1.8.11\lib\Net45\HtmlAgilityPack.dll</HintPath>
     </Reference>
     <Reference Include="Mastersign.Sequence, Version=1.3.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Mastersign.Sequence.1.3.0\lib\net20\Mastersign.Sequence.dll</HintPath>
diff --git a/BenchManager/BenchLib/BenchTasks.cs b/BenchManager/BenchLib/BenchTasks.cs
index 064c4f19..0ba37b74 100644
--- a/BenchManager/BenchLib/BenchTasks.cs
+++ b/BenchManager/BenchLib/BenchTasks.cs
@@ -2139,7 +2139,8 @@ private static void ExtractMsiPackage(BenchConfiguration config, IProcessExecuti
                 throw new FileNotFoundException("Could not find the executable of LessMSI.");
             }
             var env = new BenchEnvironment(config);
-            var args = CommandLine.FormatArgumentList("x", archiveFile, @".\");
+            
+            var args = CommandLine.FormatArgumentList("x", archiveFile, targetDir + "\\");
             var result = execHost.RunProcess(env, targetDir, lessMsiExe, args,
                 ProcessMonitoring.ExitCodeAndOutput);
             if (result.ExitCode != 0)
diff --git a/BenchManager/BenchLib/Properties/AssemblyInfo.cs b/BenchManager/BenchLib/Properties/AssemblyInfo.cs
index 0b1dd8a6..d38c72e0 100644
--- a/BenchManager/BenchLib/Properties/AssemblyInfo.cs
+++ b/BenchManager/BenchLib/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.20.5.0")]
-[assembly: AssemblyFileVersion("0.20.5.0")]
+[assembly: AssemblyVersion("0.21.0.0")]
+[assembly: AssemblyFileVersion("0.21.0.0")]
diff --git a/BenchManager/BenchLib/packages.config b/BenchManager/BenchLib/packages.config
index c520a1bb..fb8aec58 100644
--- a/BenchManager/BenchLib/packages.config
+++ b/BenchManager/BenchLib/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="DotNetZip" version="1.11.0" targetFramework="net462" />
+  <package id="DotNetZip" version="1.12.0" targetFramework="net462" />
   <package id="Mastersign.Sequence" version="1.3.0" targetFramework="net20" />
 </packages>
\ No newline at end of file
diff --git a/BenchManager/BenchLibDocs/BenchLibDocs.shfbproj b/BenchManager/BenchLibDocs/BenchLibDocs.shfbproj
index 7d50c1a1..2a685fbd 100644
--- a/BenchManager/BenchLibDocs/BenchLibDocs.shfbproj
+++ b/BenchManager/BenchLibDocs/BenchLibDocs.shfbproj
@@ -42,13 +42,13 @@
     <Preliminary>False</Preliminary>
     <NamingMethod>MemberName</NamingMethod>
     <HelpTitle>BenchLib .NET API</HelpTitle>
+    <DocumentationSources>
+      <DocumentationSource sourceFile="..\BenchLib\bin\$(Configuration)\BenchLib.dll" xmlns="" />
+      <DocumentationSource sourceFile="..\BenchLib\bin\$(Configuration)\BenchLib.xml" xmlns="" />
+    </DocumentationSources>
     <FeedbackEMailLinkText>Tobias Kiertscher</FeedbackEMailLinkText>
     <FeedbackEMailAddress>dev%40mastersign.de</FeedbackEMailAddress>
     <ContentPlacement>AboveNamespaces</ContentPlacement>
-    <DocumentationSources>
-      <DocumentationSource sourceFile="..\BenchLib\bin\Debug\BenchLib.dll" xmlns="" />
-      <DocumentationSource sourceFile="..\BenchLib\bin\Debug\BenchLib.xml" xmlns="" />
-    </DocumentationSources>
     <VisibleItems>InheritedMembers, InheritedFrameworkMembers, Protected, EditorBrowsableNever, NonBrowsable</VisibleItems>
     <MissingTags>AutoDocumentCtors, AutoDocumentDispose</MissingTags>
     <ComponentPath>..\packages\EWSoftware.SHFB.NETFramework.4.6.2\tools\</ComponentPath>
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 43e07b43..51e09997 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,16 @@ Add a link to the GitHub diff like
 
 [Unreleased]: https://github.com/winbench/bench/compare/master...dev
 
+## [0.21.0] - 2018-12-14
+
+[0.21.0]: https://github.com/winbench/bench/compare/v0.20.5...v0.21.0
+
+### Added
+* First draft of script for version check
+
+### Changed
+* LessMSI 1.6 required
+
 ## [0.20.5] - 2018-11-30
 
 [0.20.5]: https://github.com/winbench/bench/compare/v0.20.4...v0.20.5
diff --git a/auto/lib/Check-Apps.ps1 b/auto/lib/Check-Apps.ps1
new file mode 100644
index 00000000..c3745205
--- /dev/null
+++ b/auto/lib/Check-Apps.ps1
@@ -0,0 +1,168 @@
+param (
+    [string]$GitHubUserName = $null,
+    [switch]$CheckVersion = $true,
+    [string[]]$Libraries = @("core", "default"),
+    [string[]]$Apps = @(),
+    [string]$ReportFile = "app-report.txt"
+)
+
+$Script:scriptsDir = [IO.Path]::GetDirectoryName($MyInvocation.MyCommand.Definition)
+. "$Script:scriptsDir\config.lib.ps1"
+
+# $DebugPreference = "Continue"
+# $InformationPreference = "Continue"
+
+if ($GitHubUserName) {
+  $GitHubPassword = Read-Host "GitHub Password" -AsSecureString
+  $GitHubPassword = [Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($GitHubPassword))
+}
+
+$_ = [Reflection.Assembly]::LoadFrom("$Script:scriptsDir\..\bin\HtmlAgilityPack.dll")
+
+$Script:web = New-Object HtmlAgilityPack.HtmlWeb
+[Net.ServicePointManager]::SecurityProtocol = 'Tls11,Tls12'
+
+function AuthHeaders($user, $pass) {
+    if ($user) {
+        $pair = "${user}:${pass}"
+        $encodedCreds = [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes($pair))
+        return @{ Authorization = "Basic $encodedCreds" }
+    } else {
+        return @{}
+    }
+}
+
+function findVersionsInNode($app, $node, $attr, $re) {
+    if ($attr) {
+        $text = $node.Attributes[$attr].Value
+    } else {
+        $text = $node.InnerText
+    }
+    if ($text) {
+        foreach ($m in $re.Matches($text)) {
+            $m.Groups["Version"].Value
+        }
+    } else {
+        Write-Debug "Empty text in node"
+    }
+}
+
+function findVersionsInDoc($app, $doc, $xpath, $re) {
+    $attrMatch = ([regex]"@\w+$").Match($xpath)
+    if ($attrMatch.Success) {
+        $attr = $attrMatch.Value.Substring(1)
+        $xpath = $xpath.Substring(0, $attrMatch.Index - 1)
+    }
+    if ($xpath) {
+        $nodes = $doc.DocumentNode.SelectNodes($xpath)
+        if ($nodes.Count -gt 0) {
+            Write-Debug "Found $($nodes.Count) nodes with XPath"
+            foreach ($n in $nodes) {
+                findVersionsInNode $app $n $attr $re
+            }
+        } else {
+            Write-Warning "No nodes found with XPath"
+        }
+    } else {
+        Write-Debug "Searching without XPath in whole document"
+        findVersionsInNode $app $doc.DocumentNode $re
+    }
+}
+
+function normalizeVersion($version) {
+    $parts = $version.Split('.')
+    $norms = $parts | % { $_.PadLeft(6, '0') }
+    return [string]::Join(".", $norms)
+}
+
+function findHighestAppVersion($app) {
+    $checkUrl = Get-AppConfigValue $app.ID "VersionCheckUrl"
+    if (!$checkUrl) { return $false }
+    $checkPattern = Get-AppConfigValue $app.ID "VersionCheckPattern"
+    if (!$checkPattern) { return $false }
+    $checkXPath = Get-AppConfigValue $app.ID "VersionCheckXPath"
+    Write-Host ""
+    Write-Host "Checking $($app.AppLibrary.ID):$($app.ID) ..."
+    [regex]$checkRe = $checkPattern
+    Write-Debug "Version Check Pattern: $checkRe"
+    $doc = $Script:web.Load($checkUrl)
+    $versions = findVersionsInDoc $app $doc $checkXPath $checkRe `
+        | sort -Descending -Property { normalizeVersion $_ }
+    if ($versions -is [string]) {
+        $version = $versions
+        Write-Information "Found one version: $version"
+        return $version
+    }
+    if ($versions) {
+        Write-Information "Found versions: $([string]::Join(", ", $versions))"
+        return $versions[0]
+    }
+    return $null
+}
+
+function findLatestGitHubRelease($app) {
+    $url = Get-AppConfigValue $app.ID "Url"
+    if (!$url) { return $false }
+    [regex]$p = "^https?\://github\.com/(?<Owner>[^/]+)/(?<Project>[^/]+)/releases/download/"
+    $m = $p.Match($url)
+    if (!$m.Success) { return $false }
+    $owner = $m.Groups["Owner"].Value
+    $project = $m.Groups["Project"].Value
+    Write-Host ""
+    Write-Host "Checking $($app.AppLibrary.ID):$($app.ID) on GitHub $owner/$project ..."
+    $apiUrl = "https://api.github.com/repos/$owner/$project/releases"
+    $authHeaders = AuthHeaders $Script:GitHubUserName $Script:GitHubPassword
+    $releases = Invoke-WebRequest $apiUrl -Headers $authHeaders | ConvertFrom-Json
+    $tags = $releases `
+        | ? { !$_.draft -and !$_.prerelease } `
+        | % { $_.tag_name } `
+        | % { if ($_.StartsWith("v")) { $_.Substring(1) } else { $_ } } `
+        | sort -Descending -Property { normalizeVersion $_ }
+    if ($tags -is [string]) {
+        $tag = $tags
+        Write-Information "Found one release: $tag"
+        return $tag
+    }
+    if ($tags) {
+        Write-Information "Found releases: $([string]::Join(", ", $tags))"
+        return $tags[0]
+    }
+    return $null
+}
+
+function report($msg) {
+    $msg | Out-File $Script:ReportFile -Append
+}
+
+# ---------------------------------------------------------------------------------------
+
+report "[$([DateTime]::Now.ToString("yyyy-MM-dd HH:mm:ss"))]"
+report "Check Version: $CheckVersion"
+
+foreach ($app in $global:BenchConfig.Apps) {
+    if ($Libraries -and ($app.AppLibrary.ID -notin $Libraries)) { continue }
+    if ($Apps -and ($app.ID -notin $Apps)) { continue }
+
+    if ($CheckVersion -and $app.IsVersioned) {
+        $currentVersion = Get-AppConfigValue $app.ID "VersionCheckString"
+        if (!$currentVersion) {
+            $currentVersion = $app.Version
+        }
+        $latestVersion = findHighestAppVersion $app
+        if ($latestVersion -eq $false) {
+            $latestVersion = findLatestGitHubRelease $app
+        }
+        if ($latestVersion -eq $null) {
+            Write-Warning "Version: $currentVersion -> ???"
+            report "Version: $($app.AppLibrary.ID) $($app.ID) $currentVersion -> ???"
+        } elseif ($latestVersion) {
+            if ($currentVersion -ne $latestVersion) {
+                Write-Warning "$currentVersion -> $latestVersion"
+                report "Version: $($app.AppLibrary.ID) $($app.ID) $currentVersion -> $latestVersion"
+            } else {
+                Write-Host "$latestVersion (unchanged)"
+            }
+        }
+    }
+
+}
diff --git a/build/build.ps1 b/build/build.ps1
index 7a78189a..a1b77356 100644
--- a/build/build.ps1
+++ b/build/build.ps1
@@ -45,6 +45,7 @@ $buildArtifacts = @(
     "BenchDashboard\bin\$mode\BenchDashboard.exe",
     "BenchDashboard\bin\$mode\BenchDashboard.exe.config",
     "BenchDashboard\bin\$mode\ConEmu.WinForms.dll",
+    "packages\HtmlAgilityPack.1.8.11\lib\Net45\HtmlAgilityPack.dll",
     "scripts\bench-cmd.cmd",
     "scripts\bench-ps.cmd",
     "scripts\bench-bash.cmd",
diff --git a/res/bench-install.bat b/res/bench-install.bat
index a7e9964b..c3bcb285 100644
--- a/res/bench-install.bat
+++ b/res/bench-install.bat
@@ -7,7 +7,7 @@ SetLocal
 :: https://winbench.org/guide/setup/
 ::
 
-SET VERSION=0.20.5
+SET VERSION=0.21.0
 SET TAG=v%VERSION%
 SET ROOT=%~dp0
 IF [%1] NEQ [] SET ROOT=%~dpnx1\
diff --git a/res/version.txt b/res/version.txt
index 58d8f8d4..1db0edec 100644
--- a/res/version.txt
+++ b/res/version.txt
@@ -1 +1 @@
-0.20.5
\ No newline at end of file
+0.21.0
\ No newline at end of file