diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0de5c8763863a4b4120a6610cde77c8e55379a8a..b5aff3852bae9599d85aa429ad9da92400449c9f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ option(CMAKE_MACOSX_RPATH "Build with rpath on macos" ON)
 #  !! and make also sure to change in DDCore/include/DD4hep/LCDD.h     !!
 #  !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 #
-dd4hep_set_version(DD4hep MAJOR 0 MINOR 19 PATCH 0)
+dd4hep_set_version(DD4hep MAJOR 0 MINOR 20 PATCH 0)
 dd4hep_configure_output( OUTPUT "${PROJECT_BINARY_DIR}" INSTALL "${CMAKE_INSTALL_PREFIX}" )
 #
 # Include ROOT
diff --git a/DDSegmentation/CMakeLists.txt b/DDSegmentation/CMakeLists.txt
index 4e2fd52e123938853cd5e1ee8e95f3f48c9caeab..613f6b137daaea2e59d7203fe80629614197756c 100644
--- a/DDSegmentation/CMakeLists.txt
+++ b/DDSegmentation/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
 project(DDSegmentation)
  #fg: version number must be the same as DD4hep !!
 set(DDSegmentation_MAJOR_VERSION 0)
-set(DDSegmentation_MINOR_VERSION 19)
+set(DDSegmentation_MINOR_VERSION 20)
 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 5d9fd4f1b62298636ded2bc05e83f508518f8150..18a589db13ba2837fef7d2de4f318951d095224f 100644
--- a/doc/release.notes
+++ b/doc/release.notes
@@ -3,6 +3,99 @@
 DD4hep  ----  Release Notes
 =================================
 
+  --------
+ | v00-20 |
+  --------
+
+ Frank Gaede 2016-12-22 
+   - fix test_surfaces by adapting to elements.xml
+   - fix test_units by including elements.xml
+ 
+ Markus Frank 2016-12-21 
+   - Add plugin to dump the default ROOT element table
+ 
+ Markus Frank 2016-12-20 
+   - Remove obsolete build flags
+ 
+ Markus Frank 2016-12-19 
+   - Add Multi-threading conditions example
+ 
+ Andre Sailer 2016-12-16 
+   - Add drivers for Beampipe, Mask and Solenoid from lcgeo, changed name to DD4hep_*
+ 
+ Rosa Simonielo, Frank Gaede 2016-12-15 
+   - add new struct DDRec::NeighbourSurfacesStruct defined for neighbouring surfaces
+ 
+ Frank Gaede 2016-12-14 
+   - fix library pathes in env scripts for macos
+   - use DD4HEP_LIBRARY_PATH and full lib path on mac
+   - apply rpath compiler settings to GaudiPluginService
+   - make compatible w/ Geant4 10.3
+ 
+ Marko Petric 2016-12-13 
+   - Fix compiler flag handling
+ 
+ Daniel Jeans 2016-12-08 
+   - add utility graphicalMaterialScan
+ 
+ Markus Frank 2016-12-07 
+   - Fix compiler error on MacOSX gcc 4.9
+ 
+ Marko Petric 2016-12-07 
+   - Remove few tests from Travis
+   - move flag to CMAKE_SHARED_LINKER_FLAGS
+   - Remove the dynamic lookup on runtime for libs on mac
+ 
+ Markus Frank 2016-12-05 
+   - First version of conditions and alignments
+ 
+ Andre Sailer 2016-12-06 
+   - DDTest: fix location to install DDtest header files
+   - Remove minimum required cmake version from DD4hepBuild, this interferes with other packages depending on DD4hep
+ 
+ Marko Petric 2016-12-02 
+   - Fix missing CLHEP in thisdd4hep.sh
+   - Clean up FindPYTHON.cmake file
+   - Change gaudi auto_ptr to unique_ptr since the auto is deprecated
+   - Fix initAClick
+ 
+ Marko Petric 2016-11-29 
+   - Fix rpath issues on mac with python
+   - Add custom DynamicPath on mac when loading python libs
+   - Add function to set the DD4HEP_LIBRARY_PATH
+ 
+ Marko Petric 2016-11-28 
+   - Update all minimum CMake versions
+   - Fix gitlab builds
+   - Rename MakeRootMap to MakeGaudiMap for consistency
+   - Remove ROOT5 things and make approprite fixed to the usage of ROOTConfig.cmake
+   - Remove FindROOT.cmake and use from now on ROOTConfig.cmake
+ 
+ 
+ Markus Frank 2016-11-30 
+   - New version of conditions handling
+ 
+ Andre Sailer 2016-11-25 
+   - Fix ProductionCut conversion in Geant4Converter.cpp: cut is a range
+ 
+ Markus Frank 2016-11-24 
+   - Fix linker errors on MAC
+   - Remove compiler warnings on MACOSX
+   - First fixes to version of alignment constant processing also remove where visited the $ statements in the files.
+     They are useless, since git does not support them. Fixed some tests, which no longer properly worked in
+     the conditions area.
+   - First usable version of alignment constant processing
+ 
+ 
+ Markus Frank 2016-11-16 
+   - Try to improve efficiency using C++11 default operations
+ 
+ Markus Frank 2016-11-10 
+   - Simplify opaque data mappings for conditions
+ 
+
+
+
  --------
 | v00-19 |
  --------