diff --git a/src/SolutionInfo.cs b/src/SolutionInfo.cs
index 3ecfd20f03..cab7b9a12b 100644
--- a/src/SolutionInfo.cs
+++ b/src/SolutionInfo.cs
@@ -18,5 +18,5 @@ using System.Resources;
 [assembly: AssemblyVersion("8.0.0")]
 
 // these are FYI and changed automatically
-[assembly: AssemblyFileVersion("8.11.1")]
-[assembly: AssemblyInformationalVersion("8.11.1")]
+[assembly: AssemblyFileVersion("8.12.0")]
+[assembly: AssemblyInformationalVersion("8.12.0-rc")]
diff --git a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
index 69bdeba643..6da1e7bcdf 100644
--- a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
+++ b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
@@ -347,9 +347,9 @@
         <WebProjectProperties>
           <UseIIS>False</UseIIS>
           <AutoAssignPort>True</AutoAssignPort>
-          <DevelopmentServerPort>8111</DevelopmentServerPort>
+          <DevelopmentServerPort>8120</DevelopmentServerPort>
           <DevelopmentServerVPath>/</DevelopmentServerVPath>
-          <IISUrl>http://localhost:8111</IISUrl>
+          <IISUrl>http://localhost:8120</IISUrl>
           <NTLMAuthentication>False</NTLMAuthentication>
           <UseCustomServer>False</UseCustomServer>
           <CustomServerUrl>