diff --git a/UMAProject/Assets/UMA/Core/StandardAssets/UMA/Scripts/UMADefaultMeshCombiner.cs b/UMAProject/Assets/UMA/Core/StandardAssets/UMA/Scripts/UMADefaultMeshCombiner.cs
index 890f2eea3..fd4eff58d 100644
--- a/UMAProject/Assets/UMA/Core/StandardAssets/UMA/Scripts/UMADefaultMeshCombiner.cs
+++ b/UMAProject/Assets/UMA/Core/StandardAssets/UMA/Scripts/UMADefaultMeshCombiner.cs
@@ -179,11 +179,6 @@ public override void UpdateUMAMesh(bool updatedAtlas, UMAData umaData, int atlas
 			{
 				//Move umaMesh creation to with in the renderer loops
 				//May want to make sure to set all it's buffers to null instead of creating a new UMAMeshData
-				UMAMeshData umaMesh = new UMAMeshData();
-				umaMesh.ClaimSharedBuffers();
-
-				umaMesh.subMeshCount = 0;
-				umaMesh.vertexCount = 0;
 
 				combinedMeshList.Clear();
 				combinedMaterialList.Clear();
@@ -199,6 +194,12 @@ public override void UpdateUMAMesh(bool updatedAtlas, UMAData umaData, int atlas
 				}
 				else
 				{
+					UMAMeshData umaMesh = new UMAMeshData();
+					umaMesh.ClaimSharedBuffers();
+
+					umaMesh.subMeshCount = 0;
+					umaMesh.vertexCount = 0;
+
 					SkinnedMeshCombiner.CombineMeshes(umaMesh, combinedMeshList.ToArray(), umaData.blendShapeSettings );
 
 					if (updatedAtlas)
@@ -207,6 +208,7 @@ public override void UpdateUMAMesh(bool updatedAtlas, UMAData umaData, int atlas
 					}
 
 					umaMesh.ApplyDataToUnityMesh(renderers[currentRendererIndex], umaData.skeleton);
+					umaMesh.ReleaseSharedBuffers();
 				}
 				var cloth = renderers[currentRendererIndex].GetComponent<Cloth>();
 				if (clothProperties != null)
@@ -228,7 +230,6 @@ public override void UpdateUMAMesh(bool updatedAtlas, UMAData umaData, int atlas
 					combinedMaterialList[i].skinnedMeshRenderer = renderers[currentRendererIndex];
 				}
 				renderers[currentRendererIndex].sharedMaterials = materials;
-				umaMesh.ReleaseSharedBuffers();
 			}
 
 			umaData.umaRecipe.ClearDNAConverters();
diff --git a/UMAProject/Assets/UMA/Core/StandardAssets/UMA/Scripts/UMAGeneratorBuiltin.cs b/UMAProject/Assets/UMA/Core/StandardAssets/UMA/Scripts/UMAGeneratorBuiltin.cs
index f4602897f..ec2f3d2f9 100644
--- a/UMAProject/Assets/UMA/Core/StandardAssets/UMA/Scripts/UMAGeneratorBuiltin.cs
+++ b/UMAProject/Assets/UMA/Core/StandardAssets/UMA/Scripts/UMAGeneratorBuiltin.cs
@@ -494,7 +494,7 @@ public virtual void UMAReady()
 				umaData.Show();
 				umaData.FireUpdatedEvent(false);
 				umaData.FireCharacterCompletedEvents();
-				if (umaData.skeleton.boneCount > 300)
+				if (umaData.skeleton.boneCount > 500)
 				{
 					if (Debug.isDebugBuild)
 						Debug.LogWarning("Skeleton has " + umaData.skeleton.boneCount + " bones, may be an error with slots!");
diff --git a/UMAProject/Assets/UMA/Core/StandardAssets/UMA/Scripts/UMAMeshData.cs b/UMAProject/Assets/UMA/Core/StandardAssets/UMA/Scripts/UMAMeshData.cs
index a00a5569a..78da2c761 100644
--- a/UMAProject/Assets/UMA/Core/StandardAssets/UMA/Scripts/UMAMeshData.cs
+++ b/UMAProject/Assets/UMA/Core/StandardAssets/UMA/Scripts/UMAMeshData.cs
@@ -593,19 +593,12 @@ public void ApplyDataToUnityMesh(SkinnedMeshRenderer renderer, UMASkeleton skele
 
 			Mesh mesh = renderer.sharedMesh;
 #if UNITY_EDITOR
-#if UNITY_2018_3_OR_NEWER
 			if (UnityEditor.PrefabUtility.IsAddedComponentOverride(renderer))
 			{
 				if (Debug.isDebugBuild)
 					Debug.LogError("Cannot apply changes to prefab!");
 			}
-#else
-			if (UnityEditor.PrefabUtility.IsComponentAddedToPrefabInstance(renderer))
-			{
-				if (Debug.isDebugBuild)
-					Debug.LogError("Cannot apply changes to prefab!");
-			}
-#endif
+
 			if (UnityEditor.AssetDatabase.IsSubAsset(mesh))
 			{
 				if (Debug.isDebugBuild)