diff --git a/configure.ac b/configure.ac
index 0f4d7c10..a8759f10 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([netgen],[5.2-dev],[],[])
+AC_INIT([netgen],[5.3-dev],[],[])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 
 AC_CONFIG_MACRO_DIR([m4])
diff --git a/libsrc/include/Makefile.am b/libsrc/include/Makefile.am
index f84db193..c4420cf2 100644
--- a/libsrc/include/Makefile.am
+++ b/libsrc/include/Makefile.am
@@ -1,6 +1,7 @@
 noinst_HEADERS = acisgeom.hpp gprim.hpp meshing.hpp occgeom.hpp	\
 visual.hpp csg.hpp incvis.hpp myadt.hpp opti.hpp geometry2d.hpp	\
-linalg.hpp mydefs.hpp parallel.hpp stlgeom.hpp mystdlib.h
+linalg.hpp mydefs.hpp parallel.hpp stlgeom.hpp mystdlib.h	\
+nginterface_v2_impl.hpp
 
 include_HEADERS = nginterface.h nginterface_v2.hpp 
 
diff --git a/libsrc/include/mydefs.hpp b/libsrc/include/mydefs.hpp
index 97aaa186..78d575df 100644
--- a/libsrc/include/mydefs.hpp
+++ b/libsrc/include/mydefs.hpp
@@ -20,7 +20,7 @@
 // in the configure/make phases, with the 
 // right version number
 #ifdef WIN32
-#define PACKAGE_VERSION "5.2-dev"
+#define PACKAGE_VERSION "5.3-dev"
 #endif
 
 
diff --git a/libsrc/meshing/curvedelems.cpp b/libsrc/meshing/curvedelems.cpp
index ad322e1c..41b3d91e 100644
--- a/libsrc/meshing/curvedelems.cpp
+++ b/libsrc/meshing/curvedelems.cpp
@@ -3675,7 +3675,6 @@ namespace netgen
 
 
 
-    Vector shapes;
     MatrixFixWidth<3> dshapes;
 
 
@@ -3706,7 +3705,10 @@ namespace netgen
 	// info.ndof += facecoeffsindex[info.facenr+1] - facecoeffsindex[info.facenr];
       }
 
-    Array<Vec<3> > coefs(info.ndof);
+    ArrayMem<Vec<3>,100> coefs(info.ndof);
+    ArrayMem<double,100> shapes_mem(info.ndof);
+    Vector shapes(info.ndof, &shapes_mem[0]);
+
     GetCoefficients (info, &coefs[0]);
     if (x)
       {
diff --git a/ng/menustat.tcl b/ng/menustat.tcl
index 56f0250f..08d058d4 100644
--- a/ng/menustat.tcl
+++ b/ng/menustat.tcl
@@ -1066,7 +1066,7 @@ proc timer2 { } {
 	}
 
     }
-    after 200 { timer2 }
+    after 30 { timer2 }
 }
 # after 1000 { timer2 }
 timer2