diff --git a/bind.go b/bind.go
index 497fa5f..284eabd 100644
--- a/bind.go
+++ b/bind.go
@@ -10247,6 +10247,16 @@ type NodePairContacts struct {
 	h C.WrapNodePairContacts
 }
 
+// NewNodePairContacts ...
+func NewNodePairContacts() *NodePairContacts {
+	retval := C.WrapConstructorNodePairContacts()
+	retvalGO := &NodePairContacts{h: retval}
+	runtime.SetFinalizer(retvalGO, func(cleanval *NodePairContacts) {
+		C.WrapNodePairContactsFree(cleanval.h)
+	})
+	return retvalGO
+}
+
 // Free ...
 func (pointer *NodePairContacts) Free() {
 	C.WrapNodePairContactsFree(pointer.h)
@@ -10371,10 +10381,12 @@ func (pointer *SceneBullet3Physics) StepSimulationWithStepDtMaxStep(displaydt in
 }
 
 // CollectCollisionEvents ...
-func (pointer *SceneBullet3Physics) CollectCollisionEvents(scene *Scene, nodepaircontacts *NodePairContacts) {
+func (pointer *SceneBullet3Physics) CollectCollisionEvents(scene *Scene) *NodePairContacts {
 	sceneToC := scene.h
+	nodepaircontacts := NewNodePairContacts()
 	nodepaircontactsToC := nodepaircontacts.h
 	C.WrapCollectCollisionEventsSceneBullet3Physics(pointer.h, sceneToC, nodepaircontactsToC)
+	return nodepaircontacts
 }
 
 // SyncTransformsFromScene ...
@@ -12403,6 +12415,16 @@ func (pointer *FileFilter) SetPattern(v string) {
 	C.WrapFileFilterSetPattern(pointer.h, vToC)
 }
 
+// NewFileFilter ...
+func NewFileFilter() *FileFilter {
+	retval := C.WrapConstructorFileFilter()
+	retvalGO := &FileFilter{h: retval}
+	runtime.SetFinalizer(retvalGO, func(cleanval *FileFilter) {
+		C.WrapFileFilterFree(cleanval.h)
+	})
+	return retvalGO
+}
+
 // Free ...
 func (pointer *FileFilter) Free() {
 	C.WrapFileFilterFree(pointer.h)
diff --git a/linux/libharfang.a b/linux/libharfang.a
index a639672..b496ab5 100644
Binary files a/linux/libharfang.a and b/linux/libharfang.a differ
diff --git a/linux/libhg_go.a b/linux/libhg_go.a
index 1e68f8e..fc9ab65 100644
Binary files a/linux/libhg_go.a and b/linux/libhg_go.a differ
diff --git a/windows/libharfang.a b/windows/libharfang.a
index ef3e289..2be644f 100644
Binary files a/windows/libharfang.a and b/windows/libharfang.a differ
diff --git a/windows/libhg_go.a b/windows/libhg_go.a
index e5885d3..b2e88ff 100644
Binary files a/windows/libhg_go.a and b/windows/libhg_go.a differ
diff --git a/wrapper.h b/wrapper.h
index 9051c50..3288694 100644
--- a/wrapper.h
+++ b/wrapper.h
@@ -1368,6 +1368,7 @@ extern WrapForwardPipelineAAAConfig WrapConstructorForwardPipelineAAAConfig();
 extern void WrapForwardPipelineAAAConfigFree(WrapForwardPipelineAAAConfig);
 extern void WrapForwardPipelineAAAFree(WrapForwardPipelineAAA);
 extern void WrapFlipForwardPipelineAAA(WrapForwardPipelineAAA this_, const WrapViewState view_state);
+extern WrapNodePairContacts WrapConstructorNodePairContacts();
 extern void WrapNodePairContactsFree(WrapNodePairContacts);
 extern WrapSceneBullet3Physics WrapConstructorSceneBullet3Physics();
 extern WrapSceneBullet3Physics WrapConstructorSceneBullet3PhysicsWithThreadCount(int thread_count);
@@ -1638,6 +1639,7 @@ extern const char *WrapFileFilterGetName(WrapFileFilter h);
 extern void WrapFileFilterSetName(WrapFileFilter h, const char *v);
 extern const char *WrapFileFilterGetPattern(WrapFileFilter h);
 extern void WrapFileFilterSetPattern(WrapFileFilter h, const char *v);
+extern WrapFileFilter WrapConstructorFileFilter();
 extern void WrapFileFilterFree(WrapFileFilter);
 extern WrapFileFilter WrapFileFilterListGetOperator(WrapFileFilterList h, int id);
 extern void WrapFileFilterListSetOperator(WrapFileFilterList h, int id, WrapFileFilter v);