diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 33948e7..873b7c6 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,6 @@
+### 1.7.0
+- Optimized KdTree loading
+
 ### 1.6.1
 - changed KdTree loading order in favor of lazy kdtree's and rebuilding fading out InCore Level0 KdTrees.
 
diff --git a/src/2D3DLinking/App.fs b/src/2D3DLinking/App.fs
index 66da81e..e49534d 100644
--- a/src/2D3DLinking/App.fs
+++ b/src/2D3DLinking/App.fs
@@ -278,7 +278,7 @@ module App =
                 for h in patchHierarchies do
             
                     let rootTree = h.tree |> QTree.getRoot
-                    let kd = (KdTrees.loadKdTrees' h Trafo3d.Identity true ViewerModality.XYZ OpcSelectionViewer.Serialization.binarySerializer false) false (fun _ -> failwith "no function for creating triangle sets") false  KdTreeParameters.legacyDefault
+                    let kd = (KdTrees.loadKdTrees' h Trafo3d.Identity true ViewerModality.XYZ OpcSelectionViewer.Serialization.binarySerializer false) false (fun _ -> failwith "no function for creating triangle sets") false false KdTreeParameters.legacyDefault
 
                     yield {
                         patchHierarchy = h
diff --git a/src/3DGis/App.fs b/src/3DGis/App.fs
index 993c11c..e48a308 100644
--- a/src/3DGis/App.fs
+++ b/src/3DGis/App.fs
@@ -830,7 +830,7 @@ module App =
                 for h in patchHierarchies do
                   
                   let rootTree = h.tree |> QTree.getRoot
-                  let kd = KdTrees.loadKdTrees' h Trafo3d.Identity true ViewerModality.XYZ OpcSelectionViewer.Serialization.binarySerializer false false (fun _ _ -> failwith "no triangleset function") false  Aardvark.VRVis.Opc.KdTrees.KdTreeParameters.legacyDefault
+                  let kd = KdTrees.loadKdTrees' h Trafo3d.Identity true ViewerModality.XYZ OpcSelectionViewer.Serialization.binarySerializer false false (fun _ _ -> failwith "no triangleset function") false false Aardvark.VRVis.Opc.KdTrees.KdTreeParameters.legacyDefault
 
                   yield {
                       patchHierarchy = h
diff --git a/src/ViewPlannerDSS/App.fs b/src/ViewPlannerDSS/App.fs
index 962b0e5..f94ba8e 100644
--- a/src/ViewPlannerDSS/App.fs
+++ b/src/ViewPlannerDSS/App.fs
@@ -345,7 +345,7 @@ module App =
           for h in patchHierarchies do
             
             let rootTree = h.tree |> QTree.getRoot
-            let kd = KdTrees.loadKdTrees' h Trafo3d.Identity true ViewerModality.XYZ OpcSelectionViewer.Serialization.binarySerializer false false (fun _ _ -> failwith "no triangleset function") false  Aardvark.VRVis.Opc.KdTrees.KdTreeParameters.legacyDefault
+            let kd = KdTrees.loadKdTrees' h Trafo3d.Identity true ViewerModality.XYZ OpcSelectionViewer.Serialization.binarySerializer false false (fun _ _ -> failwith "no triangleset function") false false Aardvark.VRVis.Opc.KdTrees.KdTreeParameters.legacyDefault
 
 
             yield {
diff --git a/src/ViewerMain/App.fs b/src/ViewerMain/App.fs
index ab76fae..9ff300b 100644
--- a/src/ViewerMain/App.fs
+++ b/src/ViewerMain/App.fs
@@ -308,7 +308,7 @@ module App =
                 for h in patchHierarchies do
                   
                     let rootTree = h.tree |> QTree.getRoot
-                    let kd = KdTrees.loadKdTrees' h Trafo3d.Identity true ViewerModality.XYZ Serialization.binarySerializer false false (fun _ _ -> failwith "no function for creating triangle sets") false KdTreeParameters.legacyDefault
+                    let kd = KdTrees.loadKdTrees' h Trafo3d.Identity true ViewerModality.XYZ Serialization.binarySerializer false false (fun _ _ -> failwith "no function for creating triangle sets") false false KdTreeParameters.legacyDefault
 
                     yield {
                         patchHierarchy = h
diff --git a/src/ViewerMain/Outline/OutlineApp.fs b/src/ViewerMain/Outline/OutlineApp.fs
index 9bb79fd..d4b1f0a 100644
--- a/src/ViewerMain/Outline/OutlineApp.fs
+++ b/src/ViewerMain/Outline/OutlineApp.fs
@@ -129,7 +129,7 @@ module OutlineApp =
           for h in patchHierarchies do
             
             let rootTree = h.tree |> QTree.getRoot
-            let kd = KdTrees.loadKdTrees' h Trafo3d.Identity true ViewerModality.XYZ Serialization.binarySerializer false false (fun _ -> failwith "no function for creating triangle sets") false  KdTreeParameters.legacyDefault
+            let kd = KdTrees.loadKdTrees' h Trafo3d.Identity true ViewerModality.XYZ Serialization.binarySerializer false false (fun _ -> failwith "no function for creating triangle sets") false false KdTreeParameters.legacyDefault
 
             yield {
               patchHierarchy = h