[General] Use latest .NET SDKs (including .NET 10 preview 4) (#3789)

* Update SDKs
* Update Fluent UI System Icons to 1.1.300
* Update WhatsNew

Author: vnbaaij

Directory.Packages.props

@@ -2,20 +2,20 @@
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
     <RuntimeVersion8>8.0.0</RuntimeVersion8>
-    <AspNetCoreVersion8>8.0.15</AspNetCoreVersion8>
-    <EfCoreVersion8>8.0.15</EfCoreVersion8>
-    <RuntimeVersion9>9.0.4</RuntimeVersion9>
-    <AspNetCoreVersion9>9.0.4</AspNetCoreVersion9>
-    <EfCoreVersion9>9.0.4</EfCoreVersion9>
-    <RuntimeVersion10>10.0.0-preview.3.25171.5</RuntimeVersion10>
-    <AspNetCoreVersion10>10.0.0-preview.3.25172.1</AspNetCoreVersion10>
-    <EfCoreVersion10>10.0.0-preview.3.25171.6</EfCoreVersion10>
+    <AspNetCoreVersion8>8.0.16</AspNetCoreVersion8>
+    <EfCoreVersion8>8.0.16</EfCoreVersion8>
+    <RuntimeVersion9>9.0.5</RuntimeVersion9>
+    <AspNetCoreVersion9>9.0.5</AspNetCoreVersion9>
+    <EfCoreVersion9>9.0.5</EfCoreVersion9>
+    <RuntimeVersion10>10.0.0-preview.4.25258.110</RuntimeVersion10>
+    <AspNetCoreVersion10>10.0.0-preview.4.25258.110</AspNetCoreVersion10>
+    <EfCoreVersion10>10.0.0-preview.4.25258.110</EfCoreVersion10>
   </PropertyGroup>
   <ItemGroup>
     <!-- For Sample Apps -->
-    <PackageVersion Include="Microsoft.FluentUI.AspNetCore.Components" Version="4.11.8" />
-    <PackageVersion Include="Microsoft.FluentUI.AspNetCore.Components.Icons" version="4.11.8" />
-    <PackageVersion Include="Microsoft.FluentUI.AspNetCore.Components.Emoji" Version="4.11.8" />
+    <PackageVersion Include="Microsoft.FluentUI.AspNetCore.Components" Version="4.11.9" />
+    <PackageVersion Include="Microsoft.FluentUI.AspNetCore.Components.Icons" version="4.11.9" />
+    <PackageVersion Include="Microsoft.FluentUI.AspNetCore.Components.Emoji" Version="4.11.9" />
     <!-- Test dependencies -->
     <PackageVersion Include="bunit" Version="1.38.5" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />

WHATSNEW.md

@@ -1,4 +1,16 @@
-## V4.12.0  
+## V4.12.0
+
+### General
+- \[General\] Use latest .NET SDKs (including .NET 10 preview 4)([#3789](https://github.com/microsoft/fluentui-blazor/pull/3789))  
+
+### Components
+
+### Demo site and documentation
+
+### Icons and Emoji
+  - Update to Fluent UI System Icons 1.1.300.
+    See the commit history in the Fluent UI System Icons repository [commit history](https://github.com/microsoft/fluentui-system-icons/commits/main/) for the full list of changes.
+
 
 ## V4.11.9  
 

examples/Demo/Shared/wwwroot/docs/WhatsNew.md

@@ -1,5 +1,17 @@
 ## V4.12.0
 
+### General
+- \[General\] Use latest .NET SDKs (including .NET 10 preview 4)([#3789](https://github.com/microsoft/fluentui-blazor/pull/3789))  
+
+### Components
+
+### Demo site and documentation
+
+### Icons and Emoji
+  - Update to Fluent UI System Icons 1.1.300.
+    See the commit history in the Fluent UI System Icons repository [commit history](https://github.com/microsoft/fluentui-system-icons/commits/main/) for the full list of changes.
+
+
 ## V4.11.9  
 
 ### General