Bugfix before release

src/Umbraco.Cms.15.x/uSync/v15/Domains/_en-us.config

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Domain Key="cdcab783-0000-0000-0000-000000000000" Alias="/">
+  <Info>
+    <IsWildcard>false</IsWildcard>
+    <Language>en-US</Language>
+    <Root Key="6e2ff1f7-114e-484b-a407-918daded1aa6">/Home</Root>
+    <SortOrder>0</SortOrder>
+  </Info>
+</Domain>

src/Umbraco.Cms.15.x/uSync/v15/Domains/uk_en-gb.config

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Domain Key="350111b1-0000-0000-0000-000000000000" Alias="/uk">
+  <Info>
+    <IsWildcard>false</IsWildcard>
+    <Language>en-GB</Language>
+    <Root Key="6e2ff1f7-114e-484b-a407-918daded1aa6">/Home</Root>
+    <SortOrder>1</SortOrder>
+  </Info>
+</Domain>

src/Umbraco.Cms.15.x/uSync/v15/Languages/en-gb.config

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Language Key="5e8dc56b-0000-0000-0000-000000000000" Alias="en-GB" Level="0">
+  <Name>English (United Kingdom)</Name>
+  <IsoCode>en-GB</IsoCode>
+  <IsMandatory>false</IsMandatory>
+  <IsDefault>false</IsDefault>
+  <Fallback>en-US</Fallback>
+</Language>

src/Umbraco.Community.BlockPreview/Services/BlockPreviewService.cs

@@ -191,7 +191,7 @@ public async Task<string> RenderGridBlock(
             if (matchingBlockConfig == null)
                 return string.Format(Constants.ErrorMessages.ErrorTemplate, Constants.ErrorMessages.InvalidMatchingBlockGridConfiguration);
 
-            ConfigureBlockInstanceAreas(blockInstance, config, matchingBlockConfig, matchingLayout!, blockValue!, content, documentTypeUnique, blockEditorAlias);
+            ConfigureBlockInstanceAreas(blockInstance, config, matchingBlockConfig, matchingLayout!);
 
             ViewDataDictionary viewData = CreateViewData(blockInstance, BlockType.BlockGrid, matchingBlockConfig);
             return await GetMarkup(controllerContext, contentElement?.ContentType.Alias, viewData, BlockType.BlockGrid);