diff --git a/eng/Versions.props b/eng/Versions.props
index 073ba328b..b50cbbc71 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -193,12 +193,12 @@
   </PropertyGroup>
   <!-- Workload manifest package versions -->
   <PropertyGroup>
-    <MauiWorkloadManifestVersion>6.0.200-preview.13.2747</MauiWorkloadManifestVersion>
-    <XamarinAndroidWorkloadManifestVersion>31.0.200-preview.13.41</XamarinAndroidWorkloadManifestVersion>
-    <XamarinIOSWorkloadManifestVersion>15.2.301-preview.13.2</XamarinIOSWorkloadManifestVersion>
-    <XamarinMacCatalystWorkloadManifestVersion>15.2.301-preview.13.2</XamarinMacCatalystWorkloadManifestVersion>
-    <XamarinMacOSWorkloadManifestVersion>12.1.301-preview.13.2</XamarinMacOSWorkloadManifestVersion>
-    <XamarinTvOSWorkloadManifestVersion>15.2.301-preview.13.2</XamarinTvOSWorkloadManifestVersion>
+    <MauiWorkloadManifestVersion>6.0.300-rc.1.5355</MauiWorkloadManifestVersion>
+    <XamarinAndroidWorkloadManifestVersion>32.0.300-rc.1.4</XamarinAndroidWorkloadManifestVersion>
+    <XamarinIOSWorkloadManifestVersion>15.4.100-rc.1.125</XamarinIOSWorkloadManifestVersion>
+    <XamarinMacCatalystWorkloadManifestVersion>15.4.100-rc.1.125</XamarinMacCatalystWorkloadManifestVersion>
+    <XamarinMacOSWorkloadManifestVersion>12.3.100-rc.1.125</XamarinMacOSWorkloadManifestVersion>
+    <XamarinTvOSWorkloadManifestVersion>15.4.100-rc.1.125</XamarinTvOSWorkloadManifestVersion>
     <MonoWorkloadManifestVersion>$(MicrosoftNETCoreAppRefPackageVersion)</MonoWorkloadManifestVersion>
     <MicrosoftNETWorkloadEmscriptenManifest70100Version>7.0.0-preview.4.22215.1</MicrosoftNETWorkloadEmscriptenManifest70100Version>
     <EmscriptenWorkloadManifestVersion>$(MicrosoftNETWorkloadEmscriptenManifest70100Version)</EmscriptenWorkloadManifestVersion>
diff --git a/src/SourceBuild/Arcade/tools/TextOnlyPackages.csproj b/src/SourceBuild/Arcade/tools/TextOnlyPackages.csproj
index df0bd52fd..f99075302 100644
--- a/src/SourceBuild/Arcade/tools/TextOnlyPackages.csproj
+++ b/src/SourceBuild/Arcade/tools/TextOnlyPackages.csproj
@@ -11,12 +11,12 @@
     should be added to source-build-reference-packages.
   -->
   <ItemGroup>
-    <PackageDownload Include="Microsoft.NET.Sdk.Android.Manifest-6.0.200" Version="[$(XamarinAndroidWorkloadManifestVersion)]" />
-    <PackageDownload Include="Microsoft.NET.Sdk.iOS.Manifest-6.0.200" Version="[$(XamarinIOSWorkloadManifestVersion)]" />
-    <PackageDownload Include="Microsoft.NET.Sdk.MacCatalyst.Manifest-6.0.200" Version="[$(XamarinMacCatalystWorkloadManifestVersion)]" />
-    <PackageDownload Include="Microsoft.NET.Sdk.macOS.Manifest-6.0.200" Version="[$(XamarinMacOSWorkloadManifestVersion)]" />
-    <PackageDownload Include="Microsoft.NET.Sdk.Maui.Manifest-6.0.200" Version="[$(MauiWorkloadManifestVersion)]" />
-    <PackageDownload Include="Microsoft.NET.Sdk.tvOS.Manifest-6.0.200" Version="[$(XamarinTvOSWorkloadManifestVersion)]" />
+    <PackageDownload Include="Microsoft.NET.Sdk.Android.Manifest-6.0.300" Version="[$(XamarinAndroidWorkloadManifestVersion)]" />
+    <PackageDownload Include="Microsoft.NET.Sdk.iOS.Manifest-6.0.300" Version="[$(XamarinIOSWorkloadManifestVersion)]" />
+    <PackageDownload Include="Microsoft.NET.Sdk.MacCatalyst.Manifest-6.0.300" Version="[$(XamarinMacCatalystWorkloadManifestVersion)]" />
+    <PackageDownload Include="Microsoft.NET.Sdk.macOS.Manifest-6.0.300" Version="[$(XamarinMacOSWorkloadManifestVersion)]" />
+    <PackageDownload Include="Microsoft.NET.Sdk.Maui.Manifest-6.0.300" Version="[$(MauiWorkloadManifestVersion)]" />
+    <PackageDownload Include="Microsoft.NET.Sdk.tvOS.Manifest-6.0.300" Version="[$(XamarinTvOSWorkloadManifestVersion)]" />
     <PackageDownload Include="Microsoft.NET.Workload.Emscripten.Manifest-7.0.100" Version="[$(EmscriptenWorkloadManifestVersion)]" />
     <PackageDownload Include="Microsoft.NET.Workload.Mono.ToolChain.Manifest-7.0.100" Version="[$(MonoWorkloadManifestVersion)]" />
   </ItemGroup>
diff --git a/src/SourceBuild/tarball/content/prep.sh b/src/SourceBuild/tarball/content/prep.sh
index e3225d309..56e00219f 100755
--- a/src/SourceBuild/tarball/content/prep.sh
+++ b/src/SourceBuild/tarball/content/prep.sh
@@ -79,13 +79,13 @@ while read -r line; do
     if [[ $line == *"Private.SourceBuilt.Artifacts"* ]]; then
         if [ "$downloadArtifacts" == "true" ]; then
             echo "  Downloading source-built artifacts from $line..."
-            (cd $SCRIPT_ROOT/packages/archive/ && curl -O $line)
+            (cd $SCRIPT_ROOT/packages/archive/ && curl --retry 5 -O $line)
         fi
     fi
     if [[ $line == *"Private.SourceBuilt.Prebuilts"* ]]; then
         if [ "$downloadPrebuilts" == "true" ]; then
             echo "  Downloading source-built prebuilts from $line..."
-            (cd $SCRIPT_ROOT/packages/archive/ && curl -O $line)
+            (cd $SCRIPT_ROOT/packages/archive/ && curl --retry 5 -O $line)
         fi
     fi
 done < $SCRIPT_ROOT/packages/archive/archiveArtifacts.txt