diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 057327f53..0cd745f93 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -166,7 +166,7 @@
       <Sha>698fdad58fa64a55f16cd9562c90224cc498ed02</Sha>
       <SourceBuildTarball RepoName="xdt" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.200" Version="6.0.4">
+    <Dependency Name="Microsoft.NET.Workload.Emscripten.Manifest-6.0.300" Version="6.0.4">
       <Uri>https://github.com/dotnet/emsdk</Uri>
       <Sha>52e9452f82e26f9fcae791e84c082ae22f1ef66f</Sha>
     </Dependency>
diff --git a/eng/Versions.props b/eng/Versions.props
index 74baf5b81..4b4ef5512 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -172,17 +172,17 @@
       or minor release, prebuilts may be needed. When the release is mature, prebuilts are not
       necessary, and this property is removed from the file.
     -->
-    <PrivateSourceBuiltArtifactsPackageVersion>6.0.1-1</PrivateSourceBuiltArtifactsPackageVersion>
+    <PrivateSourceBuiltArtifactsPackageVersion>6.0.104</PrivateSourceBuiltArtifactsPackageVersion>
   </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>
-    <MonoWorkloadManifestVersion>$(MicrosoftNETCoreAppRefPackageVersion)</MonoWorkloadManifestVersion>
+    <MauiWorkloadManifestVersion>6.0.300-rc.1.5355</MauiWorkloadManifestVersion>
+    <XamarinAndroidWorkloadManifestVersion>32.0.300-rc.1.4</XamarinAndroidWorkloadManifestVersion>
+    <XamarinIOSWorkloadManifestVersion>15.4.100-rc.1.125</XamarinIOSWorkloadManifestVersion>
+    <XamarinMacCatalystWorkloadManifestVersion>15.4.100-rc.1.125</XamarinMacCatalystWorkloadManifestVersion>
+    <XamarinMacOSWorkloadManifestVersion>12.3.100-rc.1.125</XamarinMacOSWorkloadManifestVersion>
+    <XamarinTvOSWorkloadManifestVersion>15.4.100-rc.1.125</XamarinTvOSWorkloadManifestVersion>
+    <MonoWorkloadManifestVersion>6.0.4</MonoWorkloadManifestVersion>
     <MicrosoftNETWorkloadEmscriptenManifest60200Version>6.0.4</MicrosoftNETWorkloadEmscriptenManifest60200Version>
     <EmscriptenWorkloadManifestVersion>$(MicrosoftNETWorkloadEmscriptenManifest60200Version)</EmscriptenWorkloadManifestVersion>
   </PropertyGroup>
diff --git a/src/SourceBuild/Arcade/tools/TextOnlyPackages.csproj b/src/SourceBuild/Arcade/tools/TextOnlyPackages.csproj
index f7cad5354..7faf06dfb 100644
--- a/src/SourceBuild/Arcade/tools/TextOnlyPackages.csproj
+++ b/src/SourceBuild/Arcade/tools/TextOnlyPackages.csproj
@@ -11,14 +11,14 @@
     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.Workload.Emscripten.Manifest-6.0.200" Version="[$(EmscriptenWorkloadManifestVersion)]" />
-    <PackageDownload Include="Microsoft.NET.Workload.Mono.ToolChain.Manifest-6.0.200" Version="[$(MonoWorkloadManifestVersion)]" />
+    <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-6.0.300" Version="[$(EmscriptenWorkloadManifestVersion)]" />
+    <PackageDownload Include="Microsoft.NET.Workload.Mono.ToolChain.Manifest-6.0.300" Version="[$(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 < $SCRIPT_ROOT/packages/archive/archiveArtifacts.txt
diff --git a/src/redist/targets/BundledManifests.targets b/src/redist/targets/BundledManifests.targets
index 3618623f1..7b8536e48 100644
--- a/src/redist/targets/BundledManifests.targets
+++ b/src/redist/targets/BundledManifests.targets
@@ -1,13 +1,13 @@
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <BundledManifests Include="Microsoft.NET.Sdk.Android" FeatureBand="6.0.200" Version="$(XamarinAndroidWorkloadManifestVersion)" />
-    <BundledManifests Include="Microsoft.NET.Sdk.iOS" FeatureBand="6.0.200" Version="$(XamarinIOSWorkloadManifestVersion)" />
-    <BundledManifests Include="Microsoft.NET.Sdk.MacCatalyst" FeatureBand="6.0.200" Version="$(XamarinMacCatalystWorkloadManifestVersion)" />
-    <BundledManifests Include="Microsoft.NET.Sdk.macOS" FeatureBand="6.0.200" Version="$(XamarinMacOSWorkloadManifestVersion)" />
-    <BundledManifests Include="Microsoft.NET.Sdk.Maui" FeatureBand="6.0.200" Version="$(MauiWorkloadManifestVersion)" />
-    <BundledManifests Include="Microsoft.NET.Sdk.tvOS" FeatureBand="6.0.200" Version="$(XamarinTvOSWorkloadManifestVersion)" />
-    <BundledManifests Include="Microsoft.NET.Workload.Mono.ToolChain" FeatureBand="6.0.200" Version="$(MonoWorkloadManifestVersion)" />
-    <BundledManifests Include="Microsoft.NET.Workload.Emscripten" FeatureBand="6.0.200" Version="$(EmscriptenWorkloadManifestVersion)" />
+    <BundledManifests Include="Microsoft.NET.Sdk.Android" FeatureBand="6.0.300" Version="$(XamarinAndroidWorkloadManifestVersion)" />
+    <BundledManifests Include="Microsoft.NET.Sdk.iOS" FeatureBand="6.0.300" Version="$(XamarinIOSWorkloadManifestVersion)" />
+    <BundledManifests Include="Microsoft.NET.Sdk.MacCatalyst" FeatureBand="6.0.300" Version="$(XamarinMacCatalystWorkloadManifestVersion)" />
+    <BundledManifests Include="Microsoft.NET.Sdk.macOS" FeatureBand="6.0.300" Version="$(XamarinMacOSWorkloadManifestVersion)" />
+    <BundledManifests Include="Microsoft.NET.Sdk.Maui" FeatureBand="6.0.300" Version="$(MauiWorkloadManifestVersion)" />
+    <BundledManifests Include="Microsoft.NET.Sdk.tvOS" FeatureBand="6.0.300" Version="$(XamarinTvOSWorkloadManifestVersion)" />
+    <BundledManifests Include="Microsoft.NET.Workload.Mono.ToolChain" FeatureBand="6.0.300" Version="$(MonoWorkloadManifestVersion)" />
+    <BundledManifests Include="Microsoft.NET.Workload.Emscripten" FeatureBand="6.0.300" Version="$(EmscriptenWorkloadManifestVersion)" />
   </ItemGroup>
 
   <!-- Calculate NuGet package IDs for bundled manifests -->