diff --git a/doc/salome/gui/SMESH/static/footer.html b/doc/salome/gui/SMESH/static/footer.html
index 91afd6cc8..7cf11feba 100755
--- a/doc/salome/gui/SMESH/static/footer.html
+++ b/doc/salome/gui/SMESH/static/footer.html
@@ -4,7 +4,7 @@
   <ul>
     $navpath
     <li class="footer">
-      Copyright &copy; 2007-2016  CEA/DEN, EDF R&amp;D, OPEN CASCADE<br>
+      Copyright &copy; 2007-2017  CEA/DEN, EDF R&amp;D, OPEN CASCADE<br>
       Copyright &copy; 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, CEDRAT, EDF R&amp;D, LEG, PRINCIPIA R&amp;D, BUREAU VERITAS<br>
     </li>
   </ul>
diff --git a/doc/salome/tui/static/footer.html b/doc/salome/tui/static/footer.html
index 91afd6cc8..7cf11feba 100755
--- a/doc/salome/tui/static/footer.html
+++ b/doc/salome/tui/static/footer.html
@@ -4,7 +4,7 @@
   <ul>
     $navpath
     <li class="footer">
-      Copyright &copy; 2007-2016  CEA/DEN, EDF R&amp;D, OPEN CASCADE<br>
+      Copyright &copy; 2007-2017  CEA/DEN, EDF R&amp;D, OPEN CASCADE<br>
       Copyright &copy; 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, CEDRAT, EDF R&amp;D, LEG, PRINCIPIA R&amp;D, BUREAU VERITAS<br>
     </li>
   </ul>
diff --git a/src/OBJECT/SMESH_ScalarBarActor.cxx b/src/OBJECT/SMESH_ScalarBarActor.cxx
index 1f5b00b63..a45696d7e 100644
--- a/src/OBJECT/SMESH_ScalarBarActor.cxx
+++ b/src/OBJECT/SMESH_ScalarBarActor.cxx
@@ -578,15 +578,18 @@ int SMESH_ScalarBarActor::RenderOpaqueGeometry(vtkViewport *viewport)
       
       // rnv begin
       // Customization of the vtkScalarBarActor to show distribution histogram.
-      if(myDistributionColoringType == SMESH_MULTICOLOR_TYPE && GetDistributionVisibility() && distrVisibility)
-        {
-          rgb = distColors->GetPointer(3*dcCount); //write into array directly
-          rgb[0] = rgba[0];
-          rgb[1] = rgba[1];
-          rgb[2] = rgba[2];
-          dcCount++;
-        }
+      if ( myDistributionColoringType == SMESH_MULTICOLOR_TYPE &&
+           GetDistributionVisibility() &&
+           distrVisibility &&
+           myNbValues[i] > 0 )
+      {
+        rgb = distColors->GetPointer(3*dcCount); //write into array directly
+        rgb[0] = rgba[0];
+        rgb[1] = rgba[1];
+        rgb[2] = rgba[2];
+        dcCount++;
       }
+    }
 
     // Now position everything properly
     //
diff --git a/src/SMESH/SMESH_MeshEditor.cxx b/src/SMESH/SMESH_MeshEditor.cxx
index 38b2eeb9f..1f343b1c4 100644
--- a/src/SMESH/SMESH_MeshEditor.cxx
+++ b/src/SMESH/SMESH_MeshEditor.cxx
@@ -7458,8 +7458,8 @@ void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes,
 
     for ( size_t i = 0; i < newElemDefs.size(); ++i )
     {
-      if ( i > 0 || !mesh->ChangeElementNodes( elem, &
-                                               newElemDefs[i].myNodes[0],
+      if ( i > 0 || !mesh->ChangeElementNodes( elem,
+                                               & newElemDefs[i].myNodes[0],
                                                newElemDefs[i].myNodes.size() ))
       {
         if ( i == 0 )
@@ -7553,6 +7553,30 @@ bool SMESH_MeshEditor::applyMerge( const SMDS_MeshElement* elem,
     toRemove = true;
     nbResElems = 0;
 
+    if ( elem->IsQuadratic() && newElemDefs[0].myType == SMDSAbs_Face && nbNodes > 6 )
+    {
+      // if corner nodes stick, remove medium nodes between them from uniqueNodes
+      int nbCorners = nbNodes / 2;
+      for ( int iCur = 0; iCur < nbCorners; ++iCur )
+      {
+        int iPrev = ( iCur + 1 ) % nbCorners;
+        if ( curNodes[ iCur ] == curNodes[ iPrev ] ) // corners stick
+        {
+          int iMedium = iCur + nbCorners;
+          vector< const SMDS_MeshNode* >::iterator i =
+            std::find( uniqueNodes.begin() + nbCorners - nbRepl,
+                       uniqueNodes.end(),
+                       curNodes[ iMedium ]);
+          if ( i != uniqueNodes.end() )
+          {
+            --nbUniqueNodes;
+            for ( ; i+1 != uniqueNodes.end(); ++i )
+              *i = *(i+1);
+          }
+        }
+      }
+    }
+
     switch ( entity )
     {
     case SMDSEntity_Polygon:
@@ -7670,11 +7694,9 @@ bool SMESH_MeshEditor::applyMerge( const SMDS_MeshElement* elem,
       //    |       |
       //    +---+---+
       //   0    7    3
-      if (( nbUniqueNodes == 6 && nbRepl == 2 ) &&
-          (( iRepl[0] == 1 && iRepl[1] == 4 && curNodes[1] == curNodes[0] ) ||
-           ( iRepl[0] == 2 && iRepl[1] == 5 && curNodes[2] == curNodes[1] ) ||
-           ( iRepl[0] == 3 && iRepl[1] == 6 && curNodes[3] == curNodes[2] ) ||
-           ( iRepl[0] == 3 && iRepl[1] == 7 && curNodes[3] == curNodes[0] )))
+      if ( nbUniqueNodes == 6 &&
+           iRepl[0] < 4       &&
+           ( nbRepl == 1 || iRepl[1] >= 4 ))
       {
         toRemove = false;
       }
diff --git a/src/SMESH_I/SMESH_Gen_i_1.cxx b/src/SMESH_I/SMESH_Gen_i_1.cxx
index 0ae519858..b08b7e3e6 100644
--- a/src/SMESH_I/SMESH_Gen_i_1.cxx
+++ b/src/SMESH_I/SMESH_Gen_i_1.cxx
@@ -277,6 +277,10 @@ static SALOMEDS::SObject_ptr publish(SALOMEDS::Study_ptr   theStudy,
       SO = aStudyBuilder->NewObjectToTag( theFatherObject, theTag );
       isNewSO = true;
     }
+    else
+    {
+      isInUseCaseTree = useCaseBuilder->IsUseCaseNode( SO );
+    }
   }
   else
   {
diff --git a/src/Tools/MGCleanerPlug/doc/conf.py.in b/src/Tools/MGCleanerPlug/doc/conf.py.in
index 778165c64..0f6894ffd 100644
--- a/src/Tools/MGCleanerPlug/doc/conf.py.in
+++ b/src/Tools/MGCleanerPlug/doc/conf.py.in
@@ -36,7 +36,7 @@ master_doc = 'index'
 
 # General substitutions.
 project = 'MGCleaner Plug-in'
-copyright = '2013-2016, EDF R&D'
+copyright = '2013-2017, EDF R&D'
 
 # The default replacements for |version| and |release|, also used in various
 # other places throughout the built documents.
diff --git a/src/Tools/Verima/Doc/conf.py.in b/src/Tools/Verima/Doc/conf.py.in
index 8778ac7dc..dd67de87c 100644
--- a/src/Tools/Verima/Doc/conf.py.in
+++ b/src/Tools/Verima/Doc/conf.py.in
@@ -36,7 +36,7 @@ master_doc = 'index'
 
 # General substitutions.
 project = 'Verima Plug-in'
-copyright = '2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE'
+copyright = '2007-2017 CEA/DEN, EDF R&D, OPEN CASCADE'
 
 # The default replacements for |version| and |release|, also used in various
 # other places throughout the built documents.
diff --git a/src/Tools/YamsPlug/doc/conf.py.in b/src/Tools/YamsPlug/doc/conf.py.in
index 3ac36bee3..29d094d19 100644
--- a/src/Tools/YamsPlug/doc/conf.py.in
+++ b/src/Tools/YamsPlug/doc/conf.py.in
@@ -36,7 +36,7 @@ master_doc = 'index'
 
 # General substitutions.
 project = 'MeshGems-SurfOpt Plug-in'
-copyright = '2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE'
+copyright = '2007-2017 CEA/DEN, EDF R&D, OPEN CASCADE'
 
 # The default replacements for |version| and |release|, also used in various
 # other places throughout the built documents.
diff --git a/src/Tools/ZCracksPlug/doc/conf.py.in b/src/Tools/ZCracksPlug/doc/conf.py.in
index d8d457c80..db09764fc 100644
--- a/src/Tools/ZCracksPlug/doc/conf.py.in
+++ b/src/Tools/ZCracksPlug/doc/conf.py.in
@@ -36,7 +36,7 @@ master_doc = 'index'
 
 # General substitutions.
 project = 'ZCracks Plug-in'
-copyright = '2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE'
+copyright = '2007-2017 CEA/DEN, EDF R&D, OPEN CASCADE'
 
 # The default replacements for |version| and |release|, also used in various
 # other places throughout the built documents.
diff --git a/src/Tools/blocFissure/doc/conf.py.in b/src/Tools/blocFissure/doc/conf.py.in
index 72abf4e5f..accd55b19 100644
--- a/src/Tools/blocFissure/doc/conf.py.in
+++ b/src/Tools/blocFissure/doc/conf.py.in
@@ -36,7 +36,7 @@ master_doc = 'index'
 
 # General substitutions.
 project = 'Plug-in blocFissure'
-copyright = '2010-2016 EDF R&D'
+copyright = '2010-2017 EDF R&D'
 
 # The default replacements for |version| and |release|, also used in various
 # other places throughout the built documents.