diff --git a/eng/common/post-build/publish-using-darc.ps1 b/eng/common/post-build/publish-using-darc.ps1
index 6b68ee84728..599a1172419 100644
--- a/eng/common/post-build/publish-using-darc.ps1
+++ b/eng/common/post-build/publish-using-darc.ps1
@@ -16,8 +16,8 @@ param(
 
 try {
   . $PSScriptRoot\post-build-utils.ps1
-  # Hard coding darc version till the next arcade-services roll out, cos this version has required API changes for darc add-build-to-channel
-  $darc = Get-Darc "1.1.0-beta.20418.1"
+
+  $darc = Get-Darc 
 
   $optionalParams = [System.Collections.ArrayList]::new()
 
diff --git a/eng/promote-build.yml b/eng/promote-build.yml
index cfe64e8df5e..49584685e8f 100644
--- a/eng/promote-build.yml
+++ b/eng/promote-build.yml
@@ -89,7 +89,7 @@ stages:
                     exit 1
                   }
 
-                  $channels = ${Env:PromoteToChannelIds} -split ","
+                  $channels = ${Env:PromoteToChannelIds} -split "-"
                   foreach ($channelId in $channels) {
                     $channelApiEndpoint = "$(MaestroApiEndPoint)/api/channels/${channelId}?api-version=$(MaestroApiVersion)"
                     $channelInfo = try { Invoke-WebRequest -Method Get -Uri $channelApiEndpoint -Headers $apiHeaders | ConvertFrom-Json } catch { Write-Host "Error: $_" }
diff --git a/src/Microsoft.DotNet.Build.Tasks.Feed/src/BlobFeedAction.cs b/src/Microsoft.DotNet.Build.Tasks.Feed/src/BlobFeedAction.cs
index 0c907bd0c71..77d64e62215 100644
--- a/src/Microsoft.DotNet.Build.Tasks.Feed/src/BlobFeedAction.cs
+++ b/src/Microsoft.DotNet.Build.Tasks.Feed/src/BlobFeedAction.cs
@@ -190,8 +190,12 @@ public async Task UploadAssetAsync(
                 }
                 else
                 {
-                    Log.LogMessage($"Uploading {item} to {relativeBlobPath}.");
-                    await blobUtils.UploadBlockBlobAsync(item.ItemSpec, relativeBlobPath);
+                    using (FileStream stream =
+                        new FileStream(item.ItemSpec, FileMode.Open, FileAccess.Read, FileShare.Read))
+                    {
+                        Log.LogMessage($"Uploading {item} to {relativeBlobPath}.");
+                        await blobUtils.UploadBlockBlobAsync(item.ItemSpec, relativeBlobPath, stream);
+                    }
                 }
             }
             catch (Exception exc)
diff --git a/src/Microsoft.DotNet.Build.Tasks.Feed/src/PublishArtifactsInManifest.cs b/src/Microsoft.DotNet.Build.Tasks.Feed/src/PublishArtifactsInManifest.cs
index 24774eb8c93..7559ff755b7 100644
--- a/src/Microsoft.DotNet.Build.Tasks.Feed/src/PublishArtifactsInManifest.cs
+++ b/src/Microsoft.DotNet.Build.Tasks.Feed/src/PublishArtifactsInManifest.cs
@@ -231,7 +231,7 @@ public async Task<bool> ExecuteAsync()
                         IMaestroApi client = ApiFactory.GetAuthenticated(MaestroApiEndpoint, BuildAssetRegistryToken);
                         Maestro.Client.Models.Build buildInformation = await client.Builds.GetBuildAsync(BARBuildId);
 
-                        var targetChannelsIds = TargetChannels.Split(',').Select(ci => int.Parse(ci));
+                        var targetChannelsIds = TargetChannels.Split('-').Select(ci => int.Parse(ci));
 
                         foreach (var targetChannelId in targetChannelsIds)
                         {
diff --git a/src/Microsoft.DotNet.Build.Tasks.Feed/src/PublishArtifactsInManifestV3.cs b/src/Microsoft.DotNet.Build.Tasks.Feed/src/PublishArtifactsInManifestV3.cs
index fa41af41e54..9d56f4438f6 100644
--- a/src/Microsoft.DotNet.Build.Tasks.Feed/src/PublishArtifactsInManifestV3.cs
+++ b/src/Microsoft.DotNet.Build.Tasks.Feed/src/PublishArtifactsInManifestV3.cs
@@ -69,7 +69,7 @@ public override async Task<bool> ExecuteAsync()
             {
                 List<int> targetChannelsIds = new List<int>();
 
-                foreach (var channelIdStr in TargetChannels.Split(','))
+                foreach (var channelIdStr in TargetChannels.Split('-'))
                 {
                     if (!int.TryParse(channelIdStr, out var channelId))
                     {
diff --git a/src/Microsoft.DotNet.Build.Tasks.Feed/src/common/AzureStorageUtils.cs b/src/Microsoft.DotNet.Build.Tasks.Feed/src/common/AzureStorageUtils.cs
index d6fae8cd479..40f5b28cc45 100644
--- a/src/Microsoft.DotNet.Build.Tasks.Feed/src/common/AzureStorageUtils.cs
+++ b/src/Microsoft.DotNet.Build.Tasks.Feed/src/common/AzureStorageUtils.cs
@@ -61,7 +61,7 @@ public static string CalculateMD5(string filename)
             }
         }
 
-        public async Task UploadBlockBlobAsync(string filePath, string blobPath)
+        public async Task UploadBlockBlobAsync(string filePath, string blobPath, Stream stream)
         {
             BlobClient blob = GetBlob(blobPath.Replace("\\", "/"));
             BlobHttpHeaders headers = GetBlobHeadersByExtension(filePath);
@@ -83,7 +83,7 @@ public async Task UploadBlockBlobAsync(string filePath, string blobPath)
                 try
                 {
                     await blob.UploadAsync(
-                        filePath,
+                        stream,
                         headers)
                         .ConfigureAwait(false);
                     return true;