diff --git a/MatterControlLib/Library/Interfaces/ILibraryContainer.cs b/MatterControlLib/Library/Interfaces/ILibraryContainer.cs
index f680566d4..03259e04f 100644
--- a/MatterControlLib/Library/Interfaces/ILibraryContainer.cs
+++ b/MatterControlLib/Library/Interfaces/ILibraryContainer.cs
@@ -35,17 +35,19 @@ using MatterHackers.DataConverters3D;
 
 namespace MatterHackers.MatterControl.Library
 {
+	[Flags]
 	public enum SortKey
 	{
-		Default,
-		Name,
-		CreatedDate,
-		ModifiedDate,
+		Default = 0,
+		Name = 1,
+		CreatedDate = 2,
+		ModifiedDate = 4,
 	}
 
 	public class SortBehavior
 	{
 		public SortKey SortKey { get; set; }
+
 		public bool Ascending { get; set; }
 	}
 
diff --git a/MatterControlLib/Library/Providers/LibraryConfig.cs b/MatterControlLib/Library/Providers/LibraryConfig.cs
index 1d395a20e..4f39c336d 100644
--- a/MatterControlLib/Library/Providers/LibraryConfig.cs
+++ b/MatterControlLib/Library/Providers/LibraryConfig.cs
@@ -63,6 +63,7 @@ namespace MatterHackers.MatterControl.Library
 	public class LibraryConfig : ILibraryContext
 	{
 		public event EventHandler<ContainerChangedEventArgs> ContainerChanged;
+
 		public event EventHandler<ContainerChangedEventArgs> ContentChanged;
 
 		private List<ILibraryContainerLink> libraryProviders;
diff --git a/MatterControlLib/Library/Providers/MatterControl/RootHistoryContainer.cs b/MatterControlLib/Library/Providers/MatterControl/RootHistoryContainer.cs
index b71bd323d..c5c1ab678 100644
--- a/MatterControlLib/Library/Providers/MatterControl/RootHistoryContainer.cs
+++ b/MatterControlLib/Library/Providers/MatterControl/RootHistoryContainer.cs
@@ -62,9 +62,15 @@ namespace MatterHackers.MatterControl.Library
 					() => "Print History".Localize(),
 					AggContext.StaticData.LoadIcon(Path.Combine("Library", "history_20x20.png")),
 					AggContext.StaticData.LoadIcon(Path.Combine("Library", "history_folder.png")),
-					() => new PrintHistoryContainer())
+					() => new PrintHistoryContainer()
+					{
+						DefaultSort = new SortBehavior()
+						{
+							SortKey = SortKey.ModifiedDate,
+						}
+					})
 				{
-					IsReadOnly = true
+					IsReadOnly = true,
 				});
 		}
 	}
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index 53d8d2546..3363e1f8b 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit 53d8d254671058aa3f52a52bb7e7606a587041bf
+Subproject commit 3363e1f8b180074b61fc7838c0d471046c91ed96