diff --git a/build/build-bootstrap.ps1 b/build/build-bootstrap.ps1
index 645f6c7d41..4c946ba289 100644
--- a/build/build-bootstrap.ps1
+++ b/build/build-bootstrap.ps1
@@ -23,7 +23,7 @@
   $cache = 4
   $nuget = "$scriptTemp\nuget.exe"
   # ensure the correct NuGet-source is used. This one is used by Umbraco
-  $nugetsourceUmbraco = "https://www.myget.org/F/umbracocore/api/v3/index.json"
+  $nugetsourceUmbraco = "https://www.myget.org/F/umbracoprereleases/api/v3/index.json"
   if (-not $local)
   {
     $source = "https://dist.nuget.org/win-x86-commandline/latest/nuget.exe"
diff --git a/build/build.ps1 b/build/build.ps1
index ae59874e6a..07d856d075 100644
--- a/build/build.ps1
+++ b/build/build.ps1
@@ -51,12 +51,12 @@
   {
     param ( $semver )
 
-    $release = "" + $semver.Major + "." + $semver.Minor + "." + $semver.Patch
-
-    Write-Host "Update IIS Express port in csproj"
-    $updater = New-Object "Umbraco.Build.ExpressPortUpdater"
-    $csproj = "$($this.SolutionRoot)\src\Umbraco.Web.UI\Umbraco.Web.UI.csproj"
-    $updater.Update($csproj, $release)
+    $port = "" + $semver.Major + $semver.Minor + ("" + $semver.Patch).PadLeft(2, '0')
+    Write-Host "Update port in launchSettings.json to $port"
+    $filePath = "$($this.SolutionRoot)\src\Umbraco.Web.UI.NetCore\Properties\launchSettings.json"
+    $this.ReplaceFileText($filePath, `
+      "http://localhost:(\d+)?", `
+      "http://localhost:$port")
   })
 
   $ubuild.DefineMethod("SandboxNode",
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 23b3080ad2..cdce38df2f 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -1,12 +1,13 @@
-<Project>
+<Project>
   <PropertyGroup>
-    <Version>0.5.0</Version>
-    <AssemblyVersion>0.5.0</AssemblyVersion>
-    <InformationalVersion>0.5.0-beta001</InformationalVersion>
-    <FileVersion>0.5.0</FileVersion>
+    <Version>9.0.0</Version>
+    <AssemblyVersion>9.0.0</AssemblyVersion>
+    <InformationalVersion>9.0.0-beta001</InformationalVersion>
+    <FileVersion>9.0.0</FileVersion>
     <LangVersion Condition="'$(LangVersion)' == ''">9.0</LangVersion>
     <NeutralLanguage>en-US</NeutralLanguage>
     <Company>Umbraco CMS</Company>
     <Copyright>Copyright © Umbraco 2021</Copyright>
   </PropertyGroup>
 </Project>
+
diff --git a/src/SolutionInfo.cs b/src/SolutionInfo.cs
deleted file mode 100644
index dc2c74bebb..0000000000
--- a/src/SolutionInfo.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-using System.Reflection;	
-using System.Resources;	
-
-[assembly: AssemblyCompany("Umbraco")]	
-[assembly: AssemblyCopyright("Copyright © Umbraco 2021")]	
-[assembly: AssemblyTrademark("")]	
-[assembly: AssemblyCulture("")]	
-
-[assembly: NeutralResourcesLanguage("en-US")]	
-
-// versions	
-// read https://stackoverflow.com/questions/64602/what-are-differences-between-assemblyversion-assemblyfileversion-and-assemblyin	
-
-// note: do NOT change anything here manually, use the build scripts	
-
-// this is the ONLY ONE the CLR cares about for compatibility	
-// should change ONLY when "hard" breaking compatibility (manual change)	
-[assembly: AssemblyVersion("0.5.0")]	
-
-// these are FYI and changed automatically	
-[assembly: AssemblyFileVersion("0.5.0")]	
-[assembly: AssemblyInformationalVersion("0.5.0-beta001")]
\ No newline at end of file
diff --git a/src/Umbraco.Web.UI.NetCore/Properties/launchSettings.json b/src/Umbraco.Web.UI.NetCore/Properties/launchSettings.json
index 65e9736518..b16945dcb0 100644
--- a/src/Umbraco.Web.UI.NetCore/Properties/launchSettings.json
+++ b/src/Umbraco.Web.UI.NetCore/Properties/launchSettings.json
@@ -1,4 +1,4 @@
-{
+{
   "iisSettings": {
     "windowsAuthentication": false,
     "anonymousAuthentication": true,