diff --git a/CMakeLists.txt b/CMakeLists.txt
index a2924913b9e901944e22569b94b70ef123596b38..23ed87c3704aa14115ecf39199b71355259b7861 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,7 +21,7 @@ option(DD4HEP_USE_GEANT4  "Enable the simulation part based on Geant4"    OFF)
 option(DD4HEP_USE_GEAR    "Build gear wrapper for backward compatibility" OFF)
 option(DD4HEP_USE_LCIO    "Build lcio extensions"    OFF)
 option(BUILD_TESTING      "Enable and build tests"   ON)
-option(DD4HEP_USE_CXX11   "Build DD4hep using c++11" OFF)
+option(DD4HEP_USE_CXX11   "Build DD4hep using c++11" ON)
 option(DD4HEP_USE_CXX14   "Build DD4hep using c++14" OFF)
 #
 #-----------------------------------------------------------------------------------------------------
@@ -32,7 +32,7 @@ option(DD4HEP_USE_CXX14   "Build DD4hep using c++14" OFF)
 #  !! and make also sure to change in ./DDCore/include/DD4hep/LCDD.h   !!
 #  !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 #
-dd4hep_set_version(DD4hep MAJOR 0 MINOR 15 PATCH 0)
+dd4hep_set_version(DD4hep MAJOR 0 MINOR 16 PATCH 0)
 dd4hep_configure_output( OUTPUT "${PROJECT_BINARY_DIR}" INSTALL "${CMAKE_INSTALL_PREFIX}" )
 #
 #
diff --git a/DDSegmentation/CMakeLists.txt b/DDSegmentation/CMakeLists.txt
index 073426f5a991f9864dd7096e269778860cfd4ed4..0e799be82bde86fece9860e68ff0fd2de5abb1ef 100644
--- a/DDSegmentation/CMakeLists.txt
+++ b/DDSegmentation/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 2.8.3 FATAL_ERROR)
 project(DDSegmentation)
  #fg: version number must be the same as DD4hep !!
 set(DDSegmentation_MAJOR_VERSION 0)
-set(DDSegmentation_MINOR_VERSION 15)
+set(DDSegmentation_MINOR_VERSION 16)
 set(DDSegmentation_PATCH_VERSION 0)
 set(DDSegmentation_VERSION "${DDSegmentation_MAJOR_VERSION}.${DDSegmentation_MINOR_VERSION}" )
 set(DDSegmentation_SOVERSION "${DDSegmentation_MAJOR_VERSION}.${DDSegmentation_MINOR_VERSION}")
diff --git a/doc/release.notes b/doc/release.notes
index 12878e5b1fcb08804a0d40ef8f0c09eeb274618b..667a3d1c45347da33ba9fdfa2a02d6b82e9195fa 100644
--- a/doc/release.notes
+++ b/doc/release.notes
@@ -3,6 +3,16 @@
 DD4hep  ----  Release Notes
 =================================
 
+  --------
+ | v00-16 |
+  --------
+
+Shaojun Lu | 2016-07-26  
+	Added new MegatileLayerGridXY segmentation for Scintillator strip Ecal, which is implemented by K.Kotera, 
+        and used by SEcal04Hybrid geometry driver.
+
+ - many ( minor fixes ) by F. Gaede, M. Petric, A Sailer, ...
+
 
 2016-06-24 M.Frank
   Implement multiple segmentations.