From e775c19e7c9092725368773bc3a1ea4db300a564 Mon Sep 17 00:00:00 2001
From: Shannon <sdeminick@gmail.com>
Date: Mon, 21 Aug 2017 16:14:07 +1000
Subject: [PATCH 1/2] U4-2449 Feature request: Change the default admin users
 lang to en-us

---
 .../Persistence/Migrations/Initial/BaseDataCreation.cs          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Umbraco.Core/Persistence/Migrations/Initial/BaseDataCreation.cs b/src/Umbraco.Core/Persistence/Migrations/Initial/BaseDataCreation.cs
index 3ff8ecaa56..c6fadc1dd8 100644
--- a/src/Umbraco.Core/Persistence/Migrations/Initial/BaseDataCreation.cs
+++ b/src/Umbraco.Core/Persistence/Migrations/Initial/BaseDataCreation.cs
@@ -169,7 +169,7 @@ namespace Umbraco.Core.Persistence.Migrations.Initial
 
         private void CreateUmbracoUserData()
         {
-            _database.Insert("umbracoUser", "id", false, new UserDto { Id = 0, Disabled = false, NoConsole = false, UserName = "Administrator", Login = "admin", Password = "default", Email = "", UserLanguage = "en", CreateDate = DateTime.Now, UpdateDate = DateTime.Now });
+            _database.Insert("umbracoUser", "id", false, new UserDto { Id = 0, Disabled = false, NoConsole = false, UserName = "Administrator", Login = "admin", Password = "default", Email = "", UserLanguage = "en-US", CreateDate = DateTime.Now, UpdateDate = DateTime.Now });
         }
         
         private void CreateUmbracoUserGroupData()

From 780776072dfc87cfb35ec6fb9589f6f918d13881 Mon Sep 17 00:00:00 2001
From: Sebastiaan Janssen <sebastiaan@umbraco.com>
Date: Thu, 24 Aug 2017 21:03:31 +0200
Subject: [PATCH 2/2] Update umbracoDefaultUILanguage to en-US

---
 build/NuSpecs/tools/Web.config.install.xdt | 1 +
 src/Umbraco.Web.UI/web.Template.config     | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/build/NuSpecs/tools/Web.config.install.xdt b/build/NuSpecs/tools/Web.config.install.xdt
index 315fbf8890..5ee5ed32c6 100644
--- a/build/NuSpecs/tools/Web.config.install.xdt
+++ b/build/NuSpecs/tools/Web.config.install.xdt
@@ -24,6 +24,7 @@
     <add key="owin:appStartup" value="UmbracoDefaultOwinStartup" xdt:Locator="Match(key)" xdt:Transform="InsertIfMissing" />
 	<add key="Umbraco.ModelsBuilder.Enable" value="false" xdt:Locator="Match(key)" xdt:Transform="InsertIfMissing" />
 	<add key="Umbraco.ModelsBuilder.ModelsMode" value="Nothing" xdt:Locator="Match(key)" xdt:Transform="InsertIfMissing" />
+	<add key="umbracoDefaultUILanguage" value="en-US" xdt:Locator="Match(key)" xdt:Transform="SetAttributes(value)" />
   </appSettings>
 
   <umbracoConfiguration xdt:Transform="InsertIfMissing">
diff --git a/src/Umbraco.Web.UI/web.Template.config b/src/Umbraco.Web.UI/web.Template.config
index cc06d4145d..ee8d98cae3 100644
--- a/src/Umbraco.Web.UI/web.Template.config
+++ b/src/Umbraco.Web.UI/web.Template.config
@@ -48,7 +48,7 @@
 		<add key="umbracoHideTopLevelNodeFromPath" value="true" />
 		<add key="umbracoUseDirectoryUrls" value="true" />
 		<add key="umbracoTimeOutInMinutes" value="20" />
-		<add key="umbracoDefaultUILanguage" value="en" />
+		<add key="umbracoDefaultUILanguage" value="en-US" />
 		<add key="umbracoUseSSL" value="false" />
 
 		<add key="ValidationSettings:UnobtrusiveValidationMode" value="None" />