diff --git a/CMakeLists.txt b/CMakeLists.txt
index abe280dd5..083efdcec 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ ENDIF(WIN32)
 STRING(TOUPPER ${PROJECT_NAME} PROJECT_NAME_UC)
 
 SET(${PROJECT_NAME_UC}_MAJOR_VERSION 8)
-SET(${PROJECT_NAME_UC}_MINOR_VERSION 3)
+SET(${PROJECT_NAME_UC}_MINOR_VERSION 4)
 SET(${PROJECT_NAME_UC}_PATCH_VERSION 0)
 SET(${PROJECT_NAME_UC}_VERSION
   ${${PROJECT_NAME_UC}_MAJOR_VERSION}.${${PROJECT_NAME_UC}_MINOR_VERSION}.${${PROJECT_NAME_UC}_PATCH_VERSION})
@@ -77,6 +77,11 @@ OPTION(SALOME_BUILD_DOC "Generate SALOME SMESH documentation" ON)
 OPTION(SALOME_BUILD_GUI            "Enable GUI" ON)
 OPTION(SALOME_SMESH_USE_CGNS       "Enable import/export to CGNS format" OFF)
 OPTION(SALOME_SMESH_USE_TBB        "Enable parallel computation" OFF)
+OPTION(SALOME_SMESH_DYNLOAD_LOCAL  "Load plug-ins' symbols locally (Linux only)" ON)
+
+IF(SALOME_SMESH_DYNLOAD_LOCAL)
+  ADD_DEFINITIONS(-DDYNLOAD_LOCAL)
+ENDIF(SALOME_SMESH_DYNLOAD_LOCAL)
 
 #On Linux use Fortran to compile MEFISTO2D
 IF(NOT WIN32)
@@ -85,7 +90,7 @@ IF(NOT WIN32)
   ADD_DEFINITIONS(-DENABLE_MEFISTO)
 ENDIF(NOT WIN32)
 
-MARK_AS_ADVANCED(SALOME_BUILD_GUI SALOME_SMESH_USE_CGNS SALOME_SMESH_USE_TBB)
+MARK_AS_ADVANCED(SALOME_BUILD_GUI SALOME_SMESH_USE_CGNS SALOME_SMESH_USE_TBB SALOME_SMESH_DYNLOAD_LOCAL)
 
 # Prerequisites
 # =============
diff --git a/doc/salome/gui/SMESH/doxyfile.in b/doc/salome/gui/SMESH/doxyfile.in
index 164ad9220..2b716b2c0 100755
--- a/doc/salome/gui/SMESH/doxyfile.in
+++ b/doc/salome/gui/SMESH/doxyfile.in
@@ -41,6 +41,7 @@ WARNINGS          = YES
 INPUT             = @CMAKE_CURRENT_SOURCE_DIR@/input $(GEOM_ROOT_DIR)/share/doc/salome/gui/GEOM/input
 FILE_PATTERNS     = *.doc
 EXCLUDE           = 
+EXCLUDE_PATTERNS  = tui_*.doc
 IMAGE_PATH        = $(GEOM_ROOT_DIR)/share/doc/salome/gui/GEOM @CMAKE_CURRENT_SOURCE_DIR@/images
 EXAMPLE_PATH      = @CMAKE_SOURCE_DIR@/doc/salome/examples @CMAKE_SOURCE_DIR@/src/SMESH_SWIG
 
diff --git a/idl/SMESH_Mesh.idl b/idl/SMESH_Mesh.idl
index fbb9430d3..f01de1d07 100644
--- a/idl/SMESH_Mesh.idl
+++ b/idl/SMESH_Mesh.idl
@@ -238,11 +238,28 @@ module SMESH
 
   /*!
    * Enumeration for ExportToMED*()
+   * MED_V2_1 and MED_V2_2 are here for compatibility and mean respectively obsolete and MED_LATEST.
+   * MED_MINOR_0 to MED_MINOR_9 are use to specify the minor version used by MEDfichier
+   * to write MED files (major version cannot be changed).
+   * This allows backward compatibility from a newer version of SALOME to an older one:
+   * for instance, a MESH produced in SALOME 8.4 (med 3.3) can be written in med 3.2 format
+   * to be read in SALOME 8.3.
    */
   enum MED_VERSION
   {
     MED_V2_1,
-    MED_V2_2
+    MED_V2_2,
+    MED_LATEST,
+    MED_MINOR_0,
+    MED_MINOR_1,
+    MED_MINOR_2,
+    MED_MINOR_3,
+    MED_MINOR_4,
+    MED_MINOR_5,
+    MED_MINOR_6,
+    MED_MINOR_7,
+    MED_MINOR_8,
+    MED_MINOR_9
   };
 
   /*! 
@@ -686,8 +703,8 @@ module SMESH
       raises (SALOME::SALOME_Exception);
 
     /*!
-     * Export Mesh to MED_V2_1 MED format
-     * Works, just the same as ExportToMEDX with MED_VERSION parameter equal to MED_V2_1
+     * Export Mesh to MED_LATEST MED format
+     * Works, just the same as ExportToMEDX with MED_VERSION parameter equal to MED_LATEST
      * and overwrite parameter equal to true
      * The method is kept in order to support old functionality
      */
diff --git a/src/DriverMED/DriverMED_W_SMESHDS_Mesh.cxx b/src/DriverMED/DriverMED_W_SMESHDS_Mesh.cxx
index b4f49a216..82722c15f 100644
--- a/src/DriverMED/DriverMED_W_SMESHDS_Mesh.cxx
+++ b/src/DriverMED/DriverMED_W_SMESHDS_Mesh.cxx
@@ -70,6 +70,7 @@ void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName,
 {
   Driver_SMESHDS_Mesh::SetFile(theFileName);
   myMedVersion = theId;
+  //MESSAGE("myMedVersion:"<<myMedVersion);
 }
 
 void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName)
@@ -77,19 +78,39 @@ void DriverMED_W_SMESHDS_Mesh::SetFile(const std::string& theFileName)
   Driver_SMESHDS_Mesh::SetFile(theFileName);
 }
 
+/*!
+ * MED version is either the latest available, or with an inferior minor,
+ * to ensure backward compatibility on writing med files.
+ */
 string DriverMED_W_SMESHDS_Mesh::GetVersionString(const MED::EVersion theVersion, int theNbDigits)
 {
   TInt majeur, mineur, release;
   majeur =  mineur = release = 0;
-//   if ( theVersion == eV2_1 )
-//     MED::GetVersionRelease<eV2_1>(majeur, mineur, release);
-//   else
-    MED::GetVersionRelease<eV2_2>(majeur, mineur, release);
+  MED::GetVersionRelease<eV2_2>(majeur, mineur, release);
+  TInt imposedMineur = mineur;
+  switch( theVersion ) {
+    case MED::eV2_1     :
+    case MED::eV2_2     :
+    case MED::eLATEST   : break;
+    case MED::eMINOR_0  : imposedMineur = 0; break;
+    case MED::eMINOR_1  : imposedMineur = 1; break;
+    case MED::eMINOR_2  : imposedMineur = 2; break;
+    case MED::eMINOR_3  : imposedMineur = 3; break;
+    case MED::eMINOR_4  : imposedMineur = 4; break;
+    case MED::eMINOR_5  : imposedMineur = 5; break;
+    case MED::eMINOR_6  : imposedMineur = 6; break;
+    case MED::eMINOR_7  : imposedMineur = 7; break;
+    case MED::eMINOR_8  : imposedMineur = 8; break;
+    case MED::eMINOR_9  : imposedMineur = 9; break;
+    case MED::eVUnknown : imposedMineur = mineur; break;
+  }
+  if (imposedMineur > mineur)
+    imposedMineur = mineur;
   ostringstream name;
   if ( theNbDigits > 0 )
     name << majeur;
   if ( theNbDigits > 1 )
-    name << "." << mineur;
+    name << "." << imposedMineur;
   if ( theNbDigits > 2 )
     name << "." << release;
   return name.str();
@@ -456,7 +477,7 @@ Driver_Mesh::Status DriverMED_W_SMESHDS_Mesh::Perform()
         break;
       }
     }
-
+    //MESSAGE("myMedVersion:"<<myMedVersion);
     MED::PWrapper myMed = CrWrapper(myFile,myMedVersion);
     PMeshInfo aMeshInfo = myMed->CrMeshInfo(aMeshDimension,aSpaceDimension,aMeshName);
     //MESSAGE("Add - aMeshName : "<<aMeshName<<"; "<<aMeshInfo->GetName());
diff --git a/src/MEDWrapper/Base/MED_Common.hxx b/src/MEDWrapper/Base/MED_Common.hxx
index 8030d84bd..00eb32bdf 100644
--- a/src/MEDWrapper/Base/MED_Common.hxx
+++ b/src/MEDWrapper/Base/MED_Common.hxx
@@ -44,8 +44,10 @@
 #endif
 
 namespace MED{
-
-  enum EVersion {eVUnknown = -1, eV2_1, eV2_2};
+  // enum EVersion sould be synchronized with enum MED_VERSION in SMESH_Mesh.idl (.hh)
+  // i.e. same positive values!
+  enum EVersion {eVUnknown = -1, eV2_1, eV2_2, eLATEST,
+                 eMINOR_0, eMINOR_1, eMINOR_2, eMINOR_3, eMINOR_4, eMINOR_5, eMINOR_6, eMINOR_7, eMINOR_8, eMINOR_9};
   
   typedef enum {eFAUX, eVRAI} EBooleen ; 
   typedef double TFloat;
diff --git a/src/MEDWrapper/Factory/MED_Factory.cxx b/src/MEDWrapper/Factory/MED_Factory.cxx
index 49d47fad5..6c1d9909b 100644
--- a/src/MEDWrapper/Factory/MED_Factory.cxx
+++ b/src/MEDWrapper/Factory/MED_Factory.cxx
@@ -23,7 +23,6 @@
 #include "MED_Factory.hxx"
 #include "MED_Utilities.hxx"
 #include "MED_V2_2_Wrapper.hxx"
-
 #include <stdio.h>
 #include <errno.h>
 #include <sstream>
@@ -90,6 +89,7 @@ namespace MED
         if(aMajor == 2 && aMinor == 1)
           aVersion = eV2_1;
         else
+          // TODO: check major is not superior to library and switch on minor
           aVersion = eV2_2;
       }
       else {
@@ -124,20 +124,19 @@ namespace MED
   }
 
   PWrapper CrWrapper(const std::string& theFileName,
-                     bool theDoPreCheckInSeparateProcess)
+                     bool theDoPreCheckInSeparateProcess,
+                     int  theMinor)
   {
     PWrapper aWrapper;
+    if (theMinor <0)
+      theMinor = MED_MINOR_NUM;
     EVersion aVersion = GetVersionId(theFileName,theDoPreCheckInSeparateProcess);
     switch(aVersion){
-    case eV2_2:
-      aWrapper.reset(new MED::V2_2::TVWrapper(theFileName));
-      break;
     case eV2_1:
       EXCEPTION(std::runtime_error,"Cannot open file '"<<theFileName<<"'. Med version 2.1 is not supported any more.");
-      //aWrapper.reset(new MED::V2_1::TVWrapper(theFileName));
       break;
     default:
-      EXCEPTION(std::runtime_error,"MED::CrWrapper - theFileName = '"<<theFileName<<"'");
+      aWrapper.reset(new MED::V2_2::TVWrapper(theFileName, theMinor));
     }
     return aWrapper;
   }
@@ -145,22 +144,29 @@ namespace MED
   PWrapper CrWrapper(const std::string& theFileName, EVersion theId)
   {
     EVersion aVersion = GetVersionId(theFileName);
+    if (aVersion == eVUnknown) // no existing file
+      aVersion = theId;
 
     if(aVersion != theId)
-      remove(theFileName.c_str());
-    
-    PWrapper aWrapper;
-    switch(theId){
-    case eV2_2:
-      aWrapper.reset(new MED::V2_2::TVWrapper(theFileName));
-      break;
-    case eV2_1:
-      EXCEPTION(std::runtime_error,"Cannot open file '"<<theFileName<<"'. Med version 2.1 is not supported any more.");
-      //aWrapper.reset(new MED::V2_1::TVWrapper(theFileName));
-      break;
-    default:
-      aWrapper.reset(new MED::V2_2::TVWrapper(theFileName));
+      //remove(theFileName.c_str());
+      EXCEPTION(std::runtime_error,"Cannot open file for writing '"<<theFileName<<"'. existing file with another Med version.");
+
+    aVersion = theId;
+    int theMinor = -1; // not supported
+    switch (aVersion)
+    {
+      case eV2_1:     break; // not supported
+      case eVUnknown:
+      case eV2_2:
+      case eLATEST:   theMinor = MED_MINOR_NUM; break;
+      default:        theMinor = aVersion - eMINOR_0;
     }
+
+    if (theMinor < 0)
+      EXCEPTION(std::runtime_error,"Cannot open file '"<<theFileName<<"'. Med version 2.1 is not supported any more.");
+
+    PWrapper aWrapper;
+    aWrapper.reset(new MED::V2_2::TVWrapper(theFileName, theMinor));
     return aWrapper;
   }
 
diff --git a/src/MEDWrapper/Factory/MED_Factory.hxx b/src/MEDWrapper/Factory/MED_Factory.hxx
index f64ba391b..fc710864e 100644
--- a/src/MEDWrapper/Factory/MED_Factory.hxx
+++ b/src/MEDWrapper/Factory/MED_Factory.hxx
@@ -39,7 +39,8 @@ namespace MED
   MEDWRAPPER_FACTORY_EXPORT
   PWrapper 
   CrWrapper(const std::string& theFileName,
-            bool theDoPreCheckInSeparateProcess = false);
+            bool theDoPreCheckInSeparateProcess = false,
+            int theMinor=-1);
 
   MEDWRAPPER_FACTORY_EXPORT
   PWrapper 
diff --git a/src/MEDWrapper/V2_2/MED_V2_2_Wrapper.cxx b/src/MEDWrapper/V2_2/MED_V2_2_Wrapper.cxx
index 934839742..344542ebc 100644
--- a/src/MEDWrapper/V2_2/MED_V2_2_Wrapper.cxx
+++ b/src/MEDWrapper/V2_2/MED_V2_2_Wrapper.cxx
@@ -26,6 +26,7 @@
 
 #include <med.h>
 #include <med_err.h>
+#include <med_proto.h>
 
 #ifdef _DEBUG_
 static int MYDEBUG = 0;
@@ -99,11 +100,14 @@ namespace MED
       TFile(const TFile&);
       
     public:
-      TFile(const std::string& theFileName): 
+      TFile(const std::string& theFileName, TInt theMinor=-1):
         myCount(0),
         myFid(0), 
-        myFileName(theFileName)
-      {}
+        myFileName(theFileName),
+        myMinor(theMinor)
+      {
+        if ((myMinor < 0) || (myMinor > MED_MINOR_NUM)) myMinor = MED_MINOR_NUM;
+      }
       
       ~TFile()
       { 
@@ -115,12 +119,12 @@ namespace MED
       {
         if(myCount++ == 0){
           const char* aFileName = myFileName.c_str();
-          myFid = MEDfileOpen(aFileName,med_access_mode(theMode));
+          myFid = MEDfileVersionOpen(aFileName,med_access_mode(theMode), MED_MAJOR_NUM, myMinor, MED_RELEASE_NUM);
         }
         if(theErr)
           *theErr = TErr(myFid);
         else if(myFid < 0)
-          EXCEPTION(std::runtime_error,"TFile - MEDfileOpen('"<<myFileName<<"',"<<theMode<<")");
+          EXCEPTION(std::runtime_error,"TFile - MEDfileVersionOpen('"<<myFileName<<"',"<<theMode<<"',"<< MED_MAJOR_NUM<<"',"<< myMinor<<"',"<< MED_RELEASE_NUM<<")");
       }
 
       const TIdt& Id() const 
@@ -140,6 +144,7 @@ namespace MED
       TInt myCount;
       TIdt myFid;
       std::string myFileName;
+      TInt myMinor;
     };
 
 
@@ -147,11 +152,14 @@ namespace MED
     class TFileWrapper
     {
       PFile myFile;
+      TInt myMinor;
 
     public:
-      TFileWrapper(const PFile& theFile, EModeAcces theMode, TErr* theErr = NULL): 
-        myFile(theFile)
+      TFileWrapper(const PFile& theFile, EModeAcces theMode, TErr* theErr = NULL, TInt theMinor=-1):
+        myFile(theFile),
+        myMinor(theMinor)
       {
+        if (myMinor < 0) myMinor = MED_MINOR_NUM;
         myFile->Open(theMode,theErr);
       }
       
@@ -163,15 +171,12 @@ namespace MED
 
 
     //---------------------------------------------------------------
-    TVWrapper::TVWrapper(const std::string& theFileName):
-      myFile(new TFile(theFileName))
+    TVWrapper::TVWrapper(const std::string& theFileName, TInt theMinor):
+      myMinor(theMinor),
+      myFile(new TFile(theFileName, theMinor))
     {
       TErr aRet;
       myFile->Open( eLECTURE_ECRITURE, &aRet );
-      // if(aRet < 0)
-      //   myFile->Close();
-      //   myFile->Open( eLECTURE_AJOUT, &aRet );
-      // }
       if(aRet < 0) {
         myFile->Close();
         myFile->Open( eLECTURE, &aRet );
@@ -188,7 +193,7 @@ namespace MED
     TVWrapper
     ::GetNbMeshes(TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return -1;
@@ -204,7 +209,7 @@ namespace MED
                   MED::TMeshInfo& theInfo,
                   TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -247,7 +252,7 @@ namespace MED
                   EModeAcces theMode,
                   TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -316,7 +321,7 @@ namespace MED
     ::GetNbFamilies(const MED::TMeshInfo& theInfo,
                     TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return -1;
@@ -334,7 +339,7 @@ namespace MED
                    const MED::TMeshInfo& theInfo,
                    TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return -1;
@@ -354,7 +359,7 @@ namespace MED
                     const MED::TMeshInfo& theInfo,
                     TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return -1;
@@ -374,7 +379,7 @@ namespace MED
                     MED::TFamilyInfo& theInfo,
                     TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -417,7 +422,7 @@ namespace MED
                     EModeAcces theMode,
                     TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -476,7 +481,7 @@ namespace MED
                EGeometrieElement theGeom,
                TErr*             theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -514,7 +519,7 @@ namespace MED
                     EGeometrieElement theGeom,
                     TErr*             theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -552,7 +557,7 @@ namespace MED
                   EGeometrieElement theGeom,
                   TErr*             theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -613,7 +618,7 @@ namespace MED
                EGeometrieElement theGeom,
                TErr*             theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -669,7 +674,7 @@ namespace MED
                     EGeometrieElement theGeom,
                     TErr*             theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -723,7 +728,7 @@ namespace MED
                   EGeometrieElement theGeom,
                   TErr*             theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -761,7 +766,7 @@ namespace MED
                  ETable theTable,
                  TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return -1;
@@ -790,7 +795,7 @@ namespace MED
     ::GetNodeInfo(MED::TNodeInfo& theInfo,
                   TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -867,7 +872,7 @@ namespace MED
                   EModeAcces theMode,
                   TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -953,7 +958,7 @@ namespace MED
     ::GetPolygoneInfo(MED::TPolygoneInfo& theInfo,
                       TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
 
       if(theErr && *theErr < 0)
         return;
@@ -1012,7 +1017,7 @@ namespace MED
                       EModeAcces theMode,
                       TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -1071,7 +1076,7 @@ namespace MED
                           EConnectivite theConnMode,
                           TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
 
       if(theErr && *theErr < 0)
         return 0;
@@ -1105,7 +1110,7 @@ namespace MED
     ::GetPolyedreInfo(TPolyedreInfo& theInfo,
                       TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
 
       if(theErr && *theErr < 0)
         return;
@@ -1168,7 +1173,7 @@ namespace MED
                       EModeAcces theMode,
                       TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -1272,7 +1277,7 @@ namespace MED
                           EConnectivite theConnMode,
                           TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
 
       if(theErr && *theErr < 0) 
         EXCEPTION(std::runtime_error,"GetPolyedreConnSize - (...)");
@@ -1321,7 +1326,7 @@ namespace MED
     {
       TEntityInfo anInfo;
       
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return anInfo;
@@ -1431,7 +1436,7 @@ namespace MED
                                EConnectivite theConnMode,
                                TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
 
       if(theErr && *theErr < 0)
         return -1;
@@ -1478,7 +1483,7 @@ namespace MED
     //----------------------------------------------------------------------------
     void TVWrapper::GetCellInfo(MED::TCellInfo& theInfo, TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
 
       if(theErr && *theErr < 0)
         return;
@@ -1537,7 +1542,7 @@ namespace MED
                   EModeAcces theMode,
                   TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -1618,7 +1623,8 @@ namespace MED
     //! Read geom type of MED_BALL structural element
     EGeometrieElement TVWrapper::GetBallGeom(const TMeshInfo& theMeshInfo)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE);
+      TErr anError;
+      TFileWrapper aFileWrapper(myFile, eLECTURE, &anError, myMinor);
 
       // read med_geometry_type of "MED_BALL" element
       char geotypename[ MED_NAME_SIZE + 1] = MED_BALL_NAME;
@@ -1629,7 +1635,8 @@ namespace MED
     //! Read number of balls in the Mesh
     TInt TVWrapper::GetNbBalls(const TMeshInfo& theMeshInfo)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE);
+      TErr anError;
+      TFileWrapper aFileWrapper(myFile, eLECTURE, &anError, myMinor);
 
       EGeometrieElement ballType = GetBallGeom( theMeshInfo );
       if ( ballType < 0 )
@@ -1642,7 +1649,7 @@ namespace MED
     //! Read a MEDWrapped representation of MED_BALL from the MED file
     void TVWrapper::GetBallInfo(TBallInfo& theInfo, TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
 
       // check geometry of MED_BALL
       if ( theInfo.myGeom == eBALL )
@@ -1681,7 +1688,7 @@ namespace MED
     //! Write a MEDWrapped representation of MED_BALL to the MED file
     void  TVWrapper::SetBallInfo(const TBallInfo& theInfo, EModeAcces theMode, TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
 
       TErr ret;
       char ballsupportname[MED_NAME_SIZE+1]="BALL_SUPPORT_MESH";
@@ -1769,7 +1776,7 @@ namespace MED
     TVWrapper
     ::GetNbFields(TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return -1;
@@ -1784,7 +1791,7 @@ namespace MED
     ::GetNbComp(TInt theFieldId,
                 TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return -1;
@@ -1800,7 +1807,7 @@ namespace MED
                    MED::TFieldInfo& theInfo,
                    TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -1850,7 +1857,7 @@ namespace MED
                    EModeAcces theMode,
                    TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -1902,7 +1909,7 @@ namespace MED
     TVWrapper
     ::GetNbGauss(TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return -1;
@@ -1917,7 +1924,7 @@ namespace MED
     ::GetGaussPreInfo(TInt theId, 
                       TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
 
       if(theErr && *theErr < 0)
         return TGaussInfo::TInfo( TGaussInfo::TKey(ePOINT1,""),0 );
@@ -1958,7 +1965,7 @@ namespace MED
                    TGaussInfo& theInfo,
                    TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -1989,7 +1996,7 @@ namespace MED
     TVWrapper
     ::GetNbProfiles(TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return -1;
@@ -2002,7 +2009,7 @@ namespace MED
     ::GetProfilePreInfo(TInt theId, 
                         TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
 
       if(theErr && *theErr < 0)
         return TProfileInfo::TInfo();
@@ -2029,7 +2036,7 @@ namespace MED
                      TProfileInfo& theInfo,
                      TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -2054,7 +2061,7 @@ namespace MED
                      EModeAcces          theMode,
                      TErr*               theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -2102,7 +2109,7 @@ namespace MED
                       TErr* theErr)
     {
       theEntity = EEntiteMaillage(-1);
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
 
       if(theErr){
         if(theEntityInfo.empty())
@@ -2225,7 +2232,7 @@ namespace MED
                        MED::TTimeStampInfo& theInfo,
                        TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       const TGeom2Size& aGeom2Size = theInfo.myGeom2Size;
       
@@ -2320,7 +2327,7 @@ namespace MED
                         const TKey2Gauss& theKey2Gauss,
                         TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -2488,7 +2495,7 @@ namespace MED
                         EModeAcces theMode,
                         TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
         return;
@@ -2598,7 +2605,7 @@ namespace MED
     {
       if(theInfo.myMeshInfo->myType != eSTRUCTURE)
         return;
-      TFileWrapper aFileWrapper(myFile,theMode,theErr);
+      TFileWrapper aFileWrapper(myFile,theMode,theErr, myMinor);
       
       if(theErr && *theErr < 0)
           return;
@@ -2675,7 +2682,7 @@ namespace MED
     ::GetGrilleInfo(TGrilleInfo& theInfo,
                     TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
 
       if(theErr && *theErr < 0)
           return;
@@ -2831,7 +2838,7 @@ namespace MED
                     EGrilleType& theGridType,
                     TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
 
       if(theErr && *theErr < 0)
         EXCEPTION(std::runtime_error," GetGrilleType - aFileWrapper (...)");
@@ -2856,7 +2863,7 @@ namespace MED
                       TIntVector& theStruct,
                       TErr* theErr)
     {
-      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr);
+      TFileWrapper aFileWrapper(myFile,eLECTURE,theErr, myMinor);
       
       if(theErr && *theErr < 0)
           return;
diff --git a/src/MEDWrapper/V2_2/MED_V2_2_Wrapper.hxx b/src/MEDWrapper/V2_2/MED_V2_2_Wrapper.hxx
index a06e1c15c..45f9a14a5 100644
--- a/src/MEDWrapper/V2_2/MED_V2_2_Wrapper.hxx
+++ b/src/MEDWrapper/V2_2/MED_V2_2_Wrapper.hxx
@@ -91,7 +91,7 @@ namespace MED
       TVWrapper& operator=(const TVWrapper&);
       
     public:
-      TVWrapper(const std::string& theFileName);
+      TVWrapper(const std::string& theFileName, TInt theMinor=-1);
 
       //----------------------------------------------------------------------------
       virtual 
@@ -482,6 +482,7 @@ namespace MED
 
     protected:
       PFile myFile;
+      TInt myMinor;
     };
   }
 }
diff --git a/src/SMESH/SMESH_Algo.cxx b/src/SMESH/SMESH_Algo.cxx
index 95e775433..acb3e7137 100644
--- a/src/SMESH/SMESH_Algo.cxx
+++ b/src/SMESH/SMESH_Algo.cxx
@@ -42,8 +42,6 @@
 #include "SMESH_TypeDefs.hxx"
 #include "SMESH_subMesh.hxx"
 
-#include <Basics_OCCTVersion.hxx>
-
 #include <BRepAdaptor_Curve.hxx>
 #include <BRepLProp.hxx>
 #include <BRep_Tool.hxx>
diff --git a/src/SMESH/SMESH_Mesh.cxx b/src/SMESH/SMESH_Mesh.cxx
index 93fbbac35..713869c25 100644
--- a/src/SMESH/SMESH_Mesh.cxx
+++ b/src/SMESH/SMESH_Mesh.cxx
@@ -1402,6 +1402,7 @@ void SMESH_Mesh::ExportMED(const char *        file,
                            bool                theAllElemsToGroup)
   throw(SALOME_Exception)
 {
+  //MESSAGE("MED_VERSION:"<< theVersion);
   SMESH_TRY;
 
   DriverMED_W_SMESHDS_Mesh myWriter;
diff --git a/src/SMESH/SMESH_MeshEditor.cxx b/src/SMESH/SMESH_MeshEditor.cxx
index cfe4c3e86..83066678d 100644
--- a/src/SMESH/SMESH_MeshEditor.cxx
+++ b/src/SMESH/SMESH_MeshEditor.cxx
@@ -46,8 +46,6 @@
 #include "SMESH_OctreeNode.hxx"
 #include "SMESH_subMesh.hxx"
 
-#include <Basics_OCCTVersion.hxx>
-
 #include "utilities.h"
 #include "chrono.hxx"
 
diff --git a/src/SMESH/SMESH_Pattern.cxx b/src/SMESH/SMESH_Pattern.cxx
index db6e60e8c..51564bf78 100644
--- a/src/SMESH/SMESH_Pattern.cxx
+++ b/src/SMESH/SMESH_Pattern.cxx
@@ -75,8 +75,6 @@
 #include <gp_XY.hxx>
 #include <gp_XYZ.hxx>
 
-#include <Basics_OCCTVersion.hxx>
-
 #include <Basics_Utils.hxx>
 #include "utilities.h"
 
diff --git a/src/SMESH/SMESH_subMesh.cxx b/src/SMESH/SMESH_subMesh.cxx
index 22fa65b99..2f89997ba 100644
--- a/src/SMESH/SMESH_subMesh.cxx
+++ b/src/SMESH/SMESH_subMesh.cxx
@@ -38,8 +38,6 @@
 #include "SMESH_MesherHelper.hxx"
 #include "SMESH_subMeshEventListener.hxx"
 
-#include <Basics_OCCTVersion.hxx>
-
 #include "utilities.h"
 #include "OpUtil.hxx"
 #include "Basics_Utils.hxx"
diff --git a/src/SMESHGUI/SMESHGUI.cxx b/src/SMESHGUI/SMESHGUI.cxx
index 0061006d9..f85aa4a45 100644
--- a/src/SMESHGUI/SMESHGUI.cxx
+++ b/src/SMESHGUI/SMESHGUI.cxx
@@ -143,6 +143,7 @@
 #include CORBA_CLIENT_HEADER(SALOMEDS_Attributes)
 #include CORBA_CLIENT_HEADER(SMESH_MeshEditor)
 #include CORBA_CLIENT_HEADER(SMESH_Measurements)
+#include CORBA_CLIENT_HEADER(SMESH_Mesh)
 
 // Qt includes
 // #define       INCLUDE_MENUITEM_DEF // VSR commented ????????
@@ -653,7 +654,7 @@ namespace
     // Get parameters of export operation
 
     QString            aFilename;
-    SMESH::MED_VERSION aFormat = SMESH::MED_V2_2;
+    SMESH::MED_VERSION aFormat = SMESH::MED_LATEST;
     // Init the parameters with the default values
     bool aIsASCII_STL   = true;
     bool toCreateGroups = false;
@@ -741,11 +742,17 @@ namespace
     else if ( isMED || isSAUV ) // Export to MED or SAUV
     {
       QMap<QString, SMESH::MED_VERSION> aFilterMap;
-      //QString v21 (aMesh->GetVersionString(SMESH::MED_V2_1, 2));
       if ( isMED ) {
         QString v22 (aMesh->GetVersionString(SMESH::MED_V2_2, 2));
-        //aFilterMap.insert( QObject::tr( "MED_VX_FILES_FILTER" ).arg( v21 ) + " (*.med)", SMESH::MED_V2_1 );
         aFilterMap.insert( QObject::tr( "MED_VX_FILES_FILTER" ).arg( v22 ) + " (*.med)", SMESH::MED_V2_2 );
+        int minor = v22.split(".").last().toInt();
+        int vv= int(SMESH::MED_MINOR_0); // add all minor from 0 to current
+        for (int ii=0; ii<minor; ii++)
+          {
+            QString vs = aMesh->GetVersionString(SMESH::MED_VERSION(vv), 2);
+            aFilterMap.insert( QObject::tr( "MED_VX_FILES_FILTER" ).arg( vs ) + " (*.med)",  SMESH::MED_VERSION(vv));
+            vv = vv +1;
+          }
       }
       else { // isSAUV
         aFilterMap.insert("All files (*)", SMESH::MED_V2_1 );
@@ -826,7 +833,7 @@ namespace
             }
           if( !toOverwrite ) {
             // can't append to an existing using other format
-            SMESH::MED_VERSION aVersion = SMESH::MED_V2_1;
+            SMESH::MED_VERSION aVersion = aFormat; //SMESH::MED_V2_1;
             bool isVersionOk = SMESHGUI::GetSMESHGen()->GetMEDVersion( aFilename.toUtf8().constData(), aVersion );
             if( !isVersionOk || aVersion != aFormat ) {
               int aRet = SUIT_MessageBox::warning(SMESHGUI::desktop(),
@@ -2649,9 +2656,7 @@ bool SMESHGUI::OnGUIEvent( int theCommandID )
       if(checkLock(aStudy)) break;
       SUIT_OverrideCursor wc;
       try {
-#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
         OCC_CATCH_SIGNALS;
-#endif
         SMESH::UpdateView();
       }
       catch (std::bad_alloc) { // PAL16774 (Crash after display of many groups)
diff --git a/src/SMESHGUI/SMESHGUI_ComputeDlg.cxx b/src/SMESHGUI/SMESHGUI_ComputeDlg.cxx
index ce634a4b3..dd82c712d 100644
--- a/src/SMESHGUI/SMESHGUI_ComputeDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_ComputeDlg.cxx
@@ -1984,9 +1984,7 @@ void SMESHGUI_PrecomputeOp::onPreview()
   
   SMESH::long_array_var aShapesId = new SMESH::long_array();
   try {
-#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
     OCC_CATCH_SIGNALS;
-#endif
       
     SMESH::MeshPreviewStruct_var previewData =
       gen->Precompute(myMesh, myMainShape, (SMESH::Dimension)dim, aShapesId);
@@ -2009,9 +2007,7 @@ void SMESHGUI_PrecomputeOp::onPreview()
   }
 
   try {
-#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
     OCC_CATCH_SIGNALS;
-#endif
     aCompErrors = gen->GetComputeErrors( myMesh, myMainShape );
     // check if there are memory problems
     for ( CORBA::ULong i = 0; (i < aCompErrors->length()) && !memoryLack; ++i )
@@ -2227,9 +2223,7 @@ void SMESHGUI_BaseComputeOp::evaluateMesh()
     }
     SUIT_OverrideCursor aWaitCursor;
     try {
-#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
       OCC_CATCH_SIGNALS;
-#endif
       aRes = gen->Evaluate(myMesh, myMainShape);
     }
     catch(const SALOME::SALOME_Exception & S_ex){
@@ -2237,9 +2231,7 @@ void SMESHGUI_BaseComputeOp::evaluateMesh()
     }
 
     try {
-#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
       OCC_CATCH_SIGNALS;
-#endif
       aCompErrors = gen->GetComputeErrors( myMesh, myMainShape );
     }
     catch(const SALOME::SALOME_Exception & S_ex){
diff --git a/src/SMESHGUI/SMESHGUI_Filter.cxx b/src/SMESHGUI/SMESHGUI_Filter.cxx
index 05d003387..1222c4b80 100755
--- a/src/SMESHGUI/SMESHGUI_Filter.cxx
+++ b/src/SMESHGUI/SMESHGUI_Filter.cxx
@@ -33,13 +33,13 @@
 #include <SMDS_Mesh.hxx>
 #include <SMDSAbs_ElementType.hxx>
 
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_Filter, VTKViewer_Filter)
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_PredicateFilter, SMESHGUI_Filter)
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_QuadrangleFilter, SMESHGUI_Filter)
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_TriangleFilter, SMESHGUI_Filter)
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_FacesFilter, SMESHGUI_Filter)
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_VolumesFilter, SMESHGUI_Filter)
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_VolumeShapeFilter, SMESHGUI_Filter)
+IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_Filter, VTKViewer_Filter)
+IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_PredicateFilter, SMESHGUI_Filter)
+IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_QuadrangleFilter, SMESHGUI_Filter)
+IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_TriangleFilter, SMESHGUI_Filter)
+IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_FacesFilter, SMESHGUI_Filter)
+IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_VolumesFilter, SMESHGUI_Filter)
+IMPLEMENT_STANDARD_RTTIEXT(SMESHGUI_VolumeShapeFilter, SMESHGUI_Filter)
 
 /*
   Class       : SMESHGUI_PredicateFilter
diff --git a/src/SMESHGUI/SMESHGUI_Filter.h b/src/SMESHGUI/SMESHGUI_Filter.h
index ec36f46d6..08a43c767 100755
--- a/src/SMESHGUI/SMESHGUI_Filter.h
+++ b/src/SMESHGUI/SMESHGUI_Filter.h
@@ -70,7 +70,7 @@ public:
   Standard_EXPORT virtual bool IsObjValid( const int ) const = 0;
 
 public:
-  OCCT_DEFINE_STANDARD_RTTIEXT(SMESHGUI_Filter,VTKViewer_Filter)
+  DEFINE_STANDARD_RTTIEXT(SMESHGUI_Filter,VTKViewer_Filter)
 };
 
 /*
@@ -99,7 +99,7 @@ private:
   SMESH::Predicate_var        myPred;
 
 public:
-  OCCT_DEFINE_STANDARD_RTTIEXT(SMESHGUI_PredicateFilter,SMESHGUI_Filter)
+  DEFINE_STANDARD_RTTIEXT(SMESHGUI_PredicateFilter,SMESHGUI_Filter)
 };
 
 /*
@@ -121,7 +121,7 @@ public:
   Standard_EXPORT virtual bool IsNodeFilter() const;
 
 public:
-  OCCT_DEFINE_STANDARD_RTTIEXT(SMESHGUI_QuadrangleFilter,SMESHGUI_Filter)
+  DEFINE_STANDARD_RTTIEXT(SMESHGUI_QuadrangleFilter,SMESHGUI_Filter)
 };
 
 /*
@@ -143,7 +143,7 @@ public:
   Standard_EXPORT virtual bool IsNodeFilter() const;  
 
 public:
-  OCCT_DEFINE_STANDARD_RTTIEXT(SMESHGUI_TriangleFilter,SMESHGUI_Filter)
+  DEFINE_STANDARD_RTTIEXT(SMESHGUI_TriangleFilter,SMESHGUI_Filter)
 };
 
 /*
@@ -165,7 +165,7 @@ public:
   Standard_EXPORT virtual bool IsNodeFilter() const;  
 
 public:
-  OCCT_DEFINE_STANDARD_RTTIEXT(SMESHGUI_FacesFilter,SMESHGUI_Filter)
+  DEFINE_STANDARD_RTTIEXT(SMESHGUI_FacesFilter,SMESHGUI_Filter)
 };
 
 /*
@@ -187,7 +187,7 @@ public:
   Standard_EXPORT virtual bool IsNodeFilter() const;
 
 public:
-  OCCT_DEFINE_STANDARD_RTTIEXT(SMESHGUI_VolumesFilter,SMESHGUI_Filter)
+  DEFINE_STANDARD_RTTIEXT(SMESHGUI_VolumesFilter,SMESHGUI_Filter)
 };
 
 /*
@@ -211,7 +211,7 @@ public:
   Standard_EXPORT static int GetId( SMDSAbs_GeometryType geom );
 
 public:
-  OCCT_DEFINE_STANDARD_RTTIEXT(SMESHGUI_VolumeShapeFilter,SMESHGUI_Filter)
+  DEFINE_STANDARD_RTTIEXT(SMESHGUI_VolumeShapeFilter,SMESHGUI_Filter)
 };
 
 #endif // SMESHGUI_FILTER_H
diff --git a/src/SMESHGUI/SMESHGUI_HypothesesUtils.cxx b/src/SMESHGUI/SMESHGUI_HypothesesUtils.cxx
index 021e003b9..def3ff557 100644
--- a/src/SMESHGUI/SMESHGUI_HypothesesUtils.cxx
+++ b/src/SMESHGUI/SMESHGUI_HypothesesUtils.cxx
@@ -63,16 +63,20 @@
 #endif
 
 #ifdef WIN32
-#define LibHandle HMODULE
-#define LoadLib( name ) LoadLibrary( name )
-#define GetProc GetProcAddress
-#define UnLoadLib( handle ) FreeLibrary( handle );
-#else
-#define LibHandle void*
-#define LoadLib( name ) dlopen( name, RTLD_LAZY | RTLD_GLOBAL )
-#define GetProc dlsym
-#define UnLoadLib( handle ) dlclose( handle );
-#endif
+ #define LibHandle HMODULE
+ #define LoadLib( name ) LoadLibrary( name )
+ #define GetProc GetProcAddress
+ #define UnLoadLib( handle ) FreeLibrary( handle );
+#else // WIN32
+ #define LibHandle void*
+ #ifdef DYNLOAD_LOCAL
+  #define LoadLib( name ) dlopen( name, RTLD_LAZY | RTLD_LOCAL )
+ #else // DYNLOAD_LOCAL
+  #define LoadLib( name ) dlopen( name, RTLD_LAZY | RTLD_GLOBAL )
+ #endif // DYNLOAD_LOCAL
+ #define GetProc dlsym
+ #define UnLoadLib( handle ) dlclose( handle );
+#endif // WIN32
 
 #ifdef _DEBUG_
 static int MYDEBUG = 0;
diff --git a/src/SMESHGUI/SMESH_msg_fr.ts b/src/SMESHGUI/SMESH_msg_fr.ts
index 72358f7d0..2f5882e99 100755
--- a/src/SMESHGUI/SMESH_msg_fr.ts
+++ b/src/SMESHGUI/SMESH_msg_fr.ts
@@ -39,6 +39,10 @@
         <source>CGNS_FILES_FILTER</source>
         <translation>Fichiers CGNS</translation>
     </message>
+    <message>
+        <source>CGNS_EXPORT_ELEMS_BY_TYPE</source>
+        <translation>Groupe les éléments par type</translation>
+    </message>
     <message>
         <source>GMF_ASCII_FILES_FILTER</source>
         <translation>Fichiers GMF ASCII</translation>
@@ -384,6 +388,22 @@
         <source>MEN_DEL_GROUP</source>
         <translation>Supprimer les groupes et leur contenu</translation>
     </message>
+    <message>
+        <source>MEN_ADD_TO_GROUP</source>
+        <translation>Ajoute dans le groupe</translation>
+    </message>
+    <message>
+        <source>MEN_REMOVE_FROM_GROUP</source>
+        <translation>Supprime du groupe</translation>
+    </message>
+    <message>
+        <source>STB_ADD_TO_GROUP</source>
+        <translation>Ajoute dans le groupe les éléments sélectionnés</translation>
+    </message>
+    <message>
+        <source>STB_REMOVE_FROM_GROUP</source>
+        <translation>Supprime du groupe les éléments sélectionnés</translation>
+    </message>
     <message>
         <source>MEN_FACE_ORIENTATION</source>
         <translation>Orientation des faces</translation>
@@ -5337,6 +5357,10 @@ Choisissez un groupe et essayez de nouveau</translation>
         <source>SEPARATE_CORNERS_AND_MEDIUM</source>
         <translation>Pas de fusion du coin et des noeuds moyens des cellules quadratiques</translation>
     </message>
+    <message>
+        <source>AVOID_MAKING_HOLES</source>
+        <translation>Evite de créer des trous</translation>
+    </message>
     <message>
         <source>KEEP_NODES</source>
         <translation>Les noeuds à conserver pendant la fusion</translation>
@@ -7011,6 +7035,14 @@ Il y a trop peu de points dans le fichier </translation>
         <source>SMESH_CREATE_GROUP_FROM_GEOM</source>
         <translation>Créer des groupes à partir de la géométrie</translation>
     </message>
+    <message>
+        <source>ELEMENTS</source>
+        <translation>Eléments</translation>
+    </message>
+    <message>
+        <source>ELEMENTS_TOOLTIP</source>
+        <translation>Pas d'éléments 0D</translation>
+    </message>
 </context>
 <context>
     <name>SMESHGUI_MeshOrderDlg</name>
@@ -7441,6 +7473,10 @@ en raison de leurs types incompatibles:
         <source>ELEM_MODE</source>
         <translation>Elément</translation>
     </message>
+    <message>
+        <source>SHOW_IDS</source>
+        <translation>Montre les IDs</translation>
+    </message>
     <message>
         <source>BUT_DUMP_MESH</source>
         <translation>&amp;Dump</translation>
diff --git a/src/SMESHGUI/SMESH_msg_ja.ts b/src/SMESHGUI/SMESH_msg_ja.ts
index 5aa45dcb0..77c673410 100644
--- a/src/SMESHGUI/SMESH_msg_ja.ts
+++ b/src/SMESHGUI/SMESH_msg_ja.ts
@@ -39,6 +39,10 @@
       <source>CGNS_FILES_FILTER</source>
       <translation>CGNS ファイル</translation>
     </message>
+    <message>
+      <source>CGNS_EXPORT_ELEMS_BY_TYPE</source>
+      <translation>タイプで要素をグループ化</translation>
+    </message>
     <message>
       <source>GMF_ASCII_FILES_FILTER</source>
       <translation>GMFアスキーファイル</translation>
@@ -383,6 +387,22 @@
       <source>MEN_DEL_GROUP</source>
       <translation>グループとその内容を削除します。</translation>
     </message>
+    <message>
+      <source>MEN_ADD_TO_GROUP</source>
+      <translation>グループに追加</translation>
+    </message>
+    <message>
+      <source>MEN_REMOVE_FROM_GROUP</source>
+      <translation>グループから削除</translation>
+    </message>
+    <message>
+      <source>STB_ADD_TO_GROUP</source>
+      <translation>選択要素をグループに追加</translation>
+    </message>
+    <message>
+      <source>STB_REMOVE_FROM_GROUP</source>
+      <translation>選択要素をグループから削除</translation>
+    </message>
     <message>
       <source>MEN_FACE_ORIENTATION</source>
       <translation>フェースの向き</translation>
@@ -871,6 +891,10 @@
       <source>MEN_QUADRATIC_PENTAHEDRON</source>
       <translation>二次ウェッジ</translation>
     </message>
+    <message>
+      <source>MEN_BIQUADRATIC_PENTAHEDRON</source>
+      <translation>4次五面体</translation>
+    </message>
     <message>
       <source>MEN_QUADRATIC_PYRAMID</source>
       <translation>四角錐</translation>
@@ -1343,6 +1367,10 @@
       <source>SMESH_ADD_QUADRATIC_PENTAHEDRON_TITLE</source>
       <translation>二次くさびを追加します。</translation>
     </message>
+    <message>
+      <source>SMESH_ADD_BIQUADRATIC_PENTAHEDRON_TITLE</source>
+      <translation>4次五面体の追加</translation>
+    </message>
     <message>
       <source>SMESH_ADD_QUADRATIC_PYRAMID_TITLE</source>
       <translation>四角錐を追加します。</translation>
@@ -2479,10 +2507,18 @@
       <source>SMESH_QUADRATIC_PENTAHEDRON</source>
       <translation>二次ウェッジ</translation>
     </message>
+    <message>
+      <source>SMESH_BIQUADRATIC_PENTAHEDRON</source>
+      <translation>4次五面体</translation>
+    </message>
     <message>
       <source>SMESH_QUADRATIC_PENTAHEDRONS</source>
       <translation>二次ウェッジ</translation>
     </message>
+    <message>
+      <source>SMESH_BIQUADRATIC_PENTAHEDRONS</source>
+      <translation>4次五面体</translation>
+    </message>
     <message>
       <source>SMESH_QUADRATIC_PYRAMID</source>
       <translation>四角錐</translation>
@@ -3327,6 +3363,10 @@
       <source>STB_QUADRATIC_PENTAHEDRON</source>
       <translation>二次ウェッジ</translation>
     </message>
+    <message>
+      <source>STB_BIQUADRATIC_PENTAHEDRON</source>
+      <translation>4次五面体</translation>
+    </message>
     <message>
       <source>STB_QUADRATIC_PYRAMID</source>
       <translation>四角錐</translation>
@@ -4003,6 +4043,10 @@
       <source>TOP_QUADRATIC_PENTAHEDRON</source>
       <translation>二次ウェッジ</translation>
     </message>
+    <message>
+      <source>TOP_BIQUADRATIC_PENTAHEDRON</source>
+      <translation>4次五面体</translation>
+    </message>
     <message>
       <source>TOP_QUADRATIC_PYRAMID</source>
       <translation>四角錐</translation>
@@ -4831,6 +4875,10 @@
       <source>SMESH_ADD_QUADRATIC_PENTAHEDRON</source>
       <translation>二次くさびを追加します。</translation>
     </message>
+    <message>
+      <source>SMESH_ADD_BIQUADRATIC_PENTAHEDRON</source>
+      <translation>4次五面体の追加</translation>
+    </message>
     <message>
       <source>SMESH_ADD_QUADRATIC_PYRAMID</source>
       <translation>二次ピラミッドの追加</translation>
@@ -5252,6 +5300,10 @@
       <source>SEPARATE_CORNERS_AND_MEDIUM</source>
       <translation>2次セルのコーナ節点と中間節点をマージできません</translation>
     </message>
+    <message>
+      <source>AVOID_MAKING_HOLES</source>
+      <translation>穴作成の回避</translation>
+    </message>
     <message>
       <source>KEEP_NODES</source>
       <translation>維持節点</translation>
@@ -5848,108 +5900,108 @@
       <translation>エンティティの種類</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_0</source>
-        <translation>NONE</translation>
+      <source>ENTITY_TYPE_0</source>
+      <translation>POINT1</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_1</source>
-        <translation>POINT1</translation>
+      <source>ENTITY_TYPE_1</source>
+      <translation>POINT1</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_2</source>
-        <translation>SEG2</translation>
+      <source>ENTITY_TYPE_2</source>
+      <translation>SEG2</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_3</source>
-        <translation>SEG3</translation>
+      <source>ENTITY_TYPE_3</source>
+      <translation>SEG3</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_4</source>
-        <translation>TRIA3</translation>
+      <source>ENTITY_TYPE_4</source>
+      <translation>TRIA3</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_5</source>
-        <translation>TRIA6</translation>
+      <source>ENTITY_TYPE_5</source>
+      <translation>TRIA6</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_6</source>
-        <translation>TRIA7</translation>
+      <source>ENTITY_TYPE_6</source>
+      <translation>QUAD4</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_7</source>
-        <translation>QUAD4</translation>
+      <source>ENTITY_TYPE_7</source>
+      <translation>QUAD8</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_8</source>
-        <translation>QUAD8</translation>
+      <source>ENTITY_TYPE_8</source>
+      <translation>QUAD9</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_9</source>
-        <translation>QUAD9</translation>
+      <source>ENTITY_TYPE_9</source>
+      <translation>TETRA4</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_10</source>
-        <translation>POLYGON</translation>
+      <source>ENTITY_TYPE_10</source>
+      <translation>TETRA10</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_11</source>
-        <translation>QPOLYGON</translation>
+      <source>ENTITY_TYPE_11</source>
+      <translation>PYRA5</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_12</source>
-        <translation>TETRA4</translation>
+      <source>ENTITY_TYPE_12</source>
+      <translation>PYRA13</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_13</source>
-        <translation>TETRA10</translation>
+      <source>ENTITY_TYPE_13</source>
+      <translation>PENTA6</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_14</source>
-        <translation>PYRA5</translation>
+      <source>ENTITY_TYPE_14</source>
+      <translation>PENTA15</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_15</source>
-        <translation>PYRA13</translation>
+      <source>ENTITY_TYPE_15</source>
+      <translation>HEXA8</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_16</source>
-        <translation>HEXA8</translation>
+      <source>ENTITY_TYPE_16</source>
+      <translation>HEXA20</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_17</source>
-        <translation>HEXA20</translation>
+      <source>ENTITY_TYPE_17</source>
+      <translation>HEXA27</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_18</source>
-        <translation>HEXA27</translation>
+      <source>ENTITY_TYPE_18</source>
+      <translation>OCTA12</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_19</source>
-        <translation>PENTA6</translation>
+      <source>ENTITY_TYPE_19</source>
+      <translation>ポリゴン</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_20</source>
-        <translation>PENTA15</translation>
+      <source>ENTITY_TYPE_20</source>
+      <translation>POLYEDRE</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_21</source>
-        <translation>PENTA18</translation>
+      <source>ENTITY_TYPE_21</source>
+      <translation>[なし]</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_22</source>
-        <translation>OCTA12</translation>
+      <source>ENTITY_TYPE_22</source>
+      <translation>ボール</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_23</source>
-        <translation>POLYEDRE</translation>
+      <source>ENTITY_TYPE_23</source>
+      <translation>QPOLYEDRE</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_24</source>
-        <translation>QPOLYEDRE</translation>
+      <source>ENTITY_TYPE_24</source>
+      <translation>ボール</translation>
     </message>
     <message>
-        <source>ENTITY_TYPE_25</source>
-        <translation>BALL</translation>
+      <source>ENTITY_TYPE_25</source>
+      <translation>ボール</translation>
     </message>
     <message>
       <source>GEOM_TYPE</source>
@@ -6878,6 +6930,14 @@
       <source>SMESH_CREATE_GROUP_FROM_GEOM</source>
       <translation>ジオメトリからグループを作成</translation>
     </message>
+    <message>
+      <source>ELEMENTS</source>
+      <translation>要素</translation>
+    </message>
+    <message>
+      <source>ELEMENTS_TOOLTIP</source>
+      <translation>0D要素がない</translation>
+    </message>
   </context>
   <context>
     <name>SMESHGUI_MeshOrderDlg</name>
@@ -7306,6 +7366,10 @@
       <source>ELEM_MODE</source>
       <translation>要素</translation>
     </message>
+    <message>
+      <source>SHOW_IDS</source>
+      <translation>IDの表示</translation>
+    </message>
     <message>
       <source>BUT_DUMP_MESH</source>
       <translation>書き出し(&amp;D)</translation>
diff --git a/src/SMESHUtils/SMESH_TryCatch.hxx b/src/SMESHUtils/SMESH_TryCatch.hxx
index 05d00a1b5..44047a694 100644
--- a/src/SMESHUtils/SMESH_TryCatch.hxx
+++ b/src/SMESHUtils/SMESH_TryCatch.hxx
@@ -33,7 +33,6 @@
 #include <Utils_SALOME_Exception.hxx>
 #include <Standard_Failure.hxx>
 #include <Standard_ErrorHandler.hxx>
-#include <Basics_OCCTVersion.hxx>
 #include <utilities.h>
 
 // IMPORTANT: include this file _after_ OCC ones, else OCC_CATCH_SIGNALS can be undefined!
diff --git a/src/SMESH_I/SMESH_2smeshpy.cxx b/src/SMESH_I/SMESH_2smeshpy.cxx
index 3c70da492..b8f06d7a4 100644
--- a/src/SMESH_I/SMESH_2smeshpy.cxx
+++ b/src/SMESH_I/SMESH_2smeshpy.cxx
@@ -50,22 +50,22 @@
 #include <unistd.h>
 #endif
 
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyObject          ,Standard_Transient);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyCommand         ,Standard_Transient);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyHypothesisReader,Standard_Transient);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyGen             ,_pyObject);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyMesh            ,_pyObject);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pySubMesh         ,_pyObject);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyMeshEditor      ,_pyObject);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyHypothesis      ,_pyObject);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pySelfEraser      ,_pyObject);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyGroup           ,_pyObject);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyFilter          ,_pyObject);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyAlgorithm       ,_pyHypothesis);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyComplexParamHypo,_pyHypothesis);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyNumberOfSegmentsHyp,_pyHypothesis);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pyLayerDistributionHypo,_pyHypothesis);
-OCCT_IMPLEMENT_STANDARD_RTTIEXT(_pySegmentLengthAroundVertexHyp,_pyHypothesis);
+IMPLEMENT_STANDARD_RTTIEXT(_pyObject          ,Standard_Transient);
+IMPLEMENT_STANDARD_RTTIEXT(_pyCommand         ,Standard_Transient);
+IMPLEMENT_STANDARD_RTTIEXT(_pyHypothesisReader,Standard_Transient);
+IMPLEMENT_STANDARD_RTTIEXT(_pyGen             ,_pyObject);
+IMPLEMENT_STANDARD_RTTIEXT(_pyMesh            ,_pyObject);
+IMPLEMENT_STANDARD_RTTIEXT(_pySubMesh         ,_pyObject);
+IMPLEMENT_STANDARD_RTTIEXT(_pyMeshEditor      ,_pyObject);
+IMPLEMENT_STANDARD_RTTIEXT(_pyHypothesis      ,_pyObject);
+IMPLEMENT_STANDARD_RTTIEXT(_pySelfEraser      ,_pyObject);
+IMPLEMENT_STANDARD_RTTIEXT(_pyGroup           ,_pyObject);
+IMPLEMENT_STANDARD_RTTIEXT(_pyFilter          ,_pyObject);
+IMPLEMENT_STANDARD_RTTIEXT(_pyAlgorithm       ,_pyHypothesis);
+IMPLEMENT_STANDARD_RTTIEXT(_pyComplexParamHypo,_pyHypothesis);
+IMPLEMENT_STANDARD_RTTIEXT(_pyNumberOfSegmentsHyp,_pyHypothesis);
+IMPLEMENT_STANDARD_RTTIEXT(_pyLayerDistributionHypo,_pyHypothesis);
+IMPLEMENT_STANDARD_RTTIEXT(_pySegmentLengthAroundVertexHyp,_pyHypothesis);
 
 using namespace std;
 using SMESH::TPythonDump;
diff --git a/src/SMESH_I/SMESH_2smeshpy.hxx b/src/SMESH_I/SMESH_2smeshpy.hxx
index 6fd991533..4531a38ed 100644
--- a/src/SMESH_I/SMESH_2smeshpy.hxx
+++ b/src/SMESH_I/SMESH_2smeshpy.hxx
@@ -40,8 +40,6 @@
 #include <vector>
 #include <set>
 
-#include <Basics_OCCTVersion.hxx>
-
 #include <SALOMEconfig.h>
 #include CORBA_CLIENT_HEADER(SALOMEDS)
 
@@ -160,7 +158,7 @@ public:
 
   bool AddAccessorMethod( _pyID theObjectID, const char* theAcsMethod );
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyCommand,Standard_Transient)
+  DEFINE_STANDARD_RTTIEXT(_pyCommand,Standard_Transient)
 };
 
 // -------------------------------------------------------------------------------------
@@ -200,7 +198,7 @@ public:
   virtual void ClearCommands();
   virtual void Free() {}
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyObject,Standard_Transient)
+  DEFINE_STANDARD_RTTIEXT(_pyObject,Standard_Transient)
 };
 
 // -------------------------------------------------------------------------------------
@@ -331,7 +329,7 @@ private:
   std::map< _AString, ExportedMeshData >    myFile2ExportedMesh;
   Handle( _pyHypothesisReader )             myHypReader;
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyGen,_pyObject)
+  DEFINE_STANDARD_RTTIEXT(_pyGen,_pyObject)
 };
 
 // -------------------------------------------------------------------------------------
@@ -372,7 +370,7 @@ private:
   static void AddMeshAccess( const Handle(_pyCommand)& theCommand )
   { theCommand->SetObject( theCommand->GetObject() + "." _pyMesh_ACCESS_METHOD ); }
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyMesh,_pyObject)
+  DEFINE_STANDARD_RTTIEXT(_pyMesh,_pyObject)
 };
 #undef _pyMesh_ACCESS_METHOD 
 
@@ -392,7 +390,7 @@ public:
   virtual void Flush() {}
   virtual bool CanClear();
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyMesh,_pyObject)
+  DEFINE_STANDARD_RTTIEXT(_pyMesh,_pyObject)
 };
 
 // -------------------------------------------------------------------------------------
@@ -476,7 +474,7 @@ public:
   //void ComputeSaved    ( const Handle(_pyCommand)& theComputeCommand );
 
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyHypothesis,_pyObject)
+  DEFINE_STANDARD_RTTIEXT(_pyHypothesis,_pyObject)
 };
 
 // -------------------------------------------------------------------------------------
@@ -493,7 +491,7 @@ public:
   virtual const char* AccessorMethod() const { return "GetAlgorithm()"; }
   virtual bool IsWrappable(const _pyID& theMesh) { return !myIsWrapped; }
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyAlgorithm,_pyHypothesis)
+  DEFINE_STANDARD_RTTIEXT(_pyAlgorithm,_pyHypothesis)
 };
 
 // -------------------------------------------------------------------------------------
@@ -508,7 +506,7 @@ public:
   virtual void Process( const Handle(_pyCommand)& theCommand);
   virtual void Flush();
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyComplexParamHypo,_pyHypothesis)
+  DEFINE_STANDARD_RTTIEXT(_pyComplexParamHypo,_pyHypothesis)
 };
 DEFINE_STANDARD_HANDLE (_pyComplexParamHypo, _pyHypothesis);
 
@@ -530,7 +528,7 @@ public:
                                   const _pyID&              theMesh);
   virtual void Free() { my1dHyp.Nullify(); }
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyLayerDistributionHypo,_pyHypothesis)
+  DEFINE_STANDARD_RTTIEXT(_pyLayerDistributionHypo,_pyHypothesis)
 };
 DEFINE_STANDARD_HANDLE (_pyLayerDistributionHypo, _pyHypothesis);
 
@@ -547,7 +545,7 @@ public:
                                   const _pyID&              theMesh);
   void Flush();
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyNumberOfSegmentsHyp,_pyHypothesis)
+  DEFINE_STANDARD_RTTIEXT(_pyNumberOfSegmentsHyp,_pyHypothesis)
 };
 DEFINE_STANDARD_HANDLE (_pyNumberOfSegmentsHyp, _pyHypothesis);
 
@@ -562,7 +560,7 @@ public:
   _pySegmentLengthAroundVertexHyp(const Handle(_pyCommand)& theCrCmd): _pyHypothesis(theCrCmd) {}
   virtual bool Addition2Creation( const Handle(_pyCommand)& theAdditionCmd,
                                   const _pyID&              theMesh);
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pySegmentLengthAroundVertexHyp,_pyHypothesis)
+  DEFINE_STANDARD_RTTIEXT(_pySegmentLengthAroundVertexHyp,_pyHypothesis)
 };
 DEFINE_STANDARD_HANDLE (_pySegmentLengthAroundVertexHyp, _pyHypothesis);
 
@@ -581,7 +579,7 @@ public:
   virtual bool CanClear();
   static bool IsAliveCmd( const Handle(_pyCommand)& theCmd );
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pySelfEraser,_pyObject)
+  DEFINE_STANDARD_RTTIEXT(_pySelfEraser,_pyObject)
 };
 DEFINE_STANDARD_HANDLE (_pySelfEraser, _pyObject);
 
@@ -603,7 +601,7 @@ public:
   void SetCreator( const Handle(_pyObject)& theCreator ) { myCreator = theCreator; }
   static bool CanBeArgOfMethod(const _AString& theMethodName);
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pySubMesh,_pyObject)
+  DEFINE_STANDARD_RTTIEXT(_pySubMesh,_pyObject)
 };
 // -------------------------------------------------------------------------------------
 /*!
@@ -623,7 +621,7 @@ public:
   //virtual void Free() { myUsers.clear(); }
   const _pyID& GetNewID() const { return myNewID; }
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyFilter,_pyObject)
+  DEFINE_STANDARD_RTTIEXT(_pyFilter,_pyObject)
 };
 DEFINE_STANDARD_HANDLE (_pyFilter, _pyObject);
 
@@ -644,7 +642,7 @@ public:
   virtual bool CanClear();
   void RemovedWithContents();
 
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyGroup,_pySubMesh)
+  DEFINE_STANDARD_RTTIEXT(_pyGroup,_pySubMesh)
 };
 
 // -------------------------------------------------------------------------------------
@@ -659,7 +657,7 @@ public:
   _pyHypothesisReader();
   Handle(_pyHypothesis) GetHypothesis(const _AString&           hypType,
                                       const Handle(_pyCommand)& creationCmd) const;
-  OCCT_DEFINE_STANDARD_RTTIEXT(_pyHypothesisReader,Standard_Transient)
+  DEFINE_STANDARD_RTTIEXT(_pyHypothesisReader,Standard_Transient)
 };
 
 #endif
diff --git a/src/SMESH_I/SMESH_DumpPython.cxx b/src/SMESH_I/SMESH_DumpPython.cxx
index 878b152f4..966fa7b0f 100644
--- a/src/SMESH_I/SMESH_DumpPython.cxx
+++ b/src/SMESH_I/SMESH_DumpPython.cxx
@@ -496,6 +496,17 @@ namespace SMESH
     switch (theVersion) {
     case SMESH::MED_V2_1: myStream << "SMESH.MED_V2_1"; break;
     case SMESH::MED_V2_2: myStream << "SMESH.MED_V2_2"; break;
+    case SMESH::MED_LATEST: myStream << "SMESH.MED_LATEST"; break;
+    case SMESH::MED_MINOR_0: myStream << "SMESH.MED_MINOR_0"; break;
+    case SMESH::MED_MINOR_1: myStream << "SMESH.MED_MINOR_1"; break;
+    case SMESH::MED_MINOR_2: myStream << "SMESH.MED_MINOR_2"; break;
+    case SMESH::MED_MINOR_3: myStream << "SMESH.MED_MINOR_3"; break;
+    case SMESH::MED_MINOR_4: myStream << "SMESH.MED_MINOR_4"; break;
+    case SMESH::MED_MINOR_5: myStream << "SMESH.MED_MINOR_5"; break;
+    case SMESH::MED_MINOR_6: myStream << "SMESH.MED_MINOR_6"; break;
+    case SMESH::MED_MINOR_7: myStream << "SMESH.MED_MINOR_7"; break;
+    case SMESH::MED_MINOR_8: myStream << "SMESH.MED_MINOR_8"; break;
+    case SMESH::MED_MINOR_9: myStream << "SMESH.MED_MINOR_9"; break;
     default: myStream << theVersion;
     }
     return *this;
diff --git a/src/SMESH_I/SMESH_Filter_i.cxx b/src/SMESH_I/SMESH_Filter_i.cxx
index 2ec349564..c62297be8 100644
--- a/src/SMESH_I/SMESH_Filter_i.cxx
+++ b/src/SMESH_I/SMESH_Filter_i.cxx
@@ -40,8 +40,6 @@
 #include <SALOMEDS_wrap.hxx>
 #include <GEOM_wrap.hxx>
 
-#include <Basics_OCCTVersion.hxx>
-
 #include <BRep_Tool.hxx>
 #include <Geom_CylindricalSurface.hxx>
 #include <Geom_Plane.hxx>
@@ -3969,16 +3967,6 @@ CORBA::Boolean FilterLibrary_i::Save()
   if ( myFileName == 0 || strlen( myFileName ) == 0 )
     return false;
 
-#if OCC_VERSION_MAJOR < 7
-  FILE* aOutFile = fopen( myFileName, "wt" );
-  if ( !aOutFile )
-    return false;
-
-  LDOM_XmlWriter aWriter( aOutFile );
-  aWriter.SetIndentation( 2 );
-  aWriter << myDoc;
-  fclose( aOutFile );
-#else
   std::filebuf fb;
   fb.open( myFileName, std::ios::out );
 
@@ -3988,7 +3976,6 @@ CORBA::Boolean FilterLibrary_i::Save()
   aWriter.SetIndentation( 2 );
   aWriter.Write( os, myDoc );
   fb.close();
-#endif
 
   TPythonDump()<<this<<".Save()";
   return true;
diff --git a/src/SMESH_I/SMESH_Gen_i.cxx b/src/SMESH_I/SMESH_Gen_i.cxx
index 33aa46a96..89317f87f 100644
--- a/src/SMESH_I/SMESH_Gen_i.cxx
+++ b/src/SMESH_I/SMESH_Gen_i.cxx
@@ -62,12 +62,16 @@
  #define LoadLib( name ) LoadLibrary( name )
  #define GetProc GetProcAddress
  #define UnLoadLib( handle ) FreeLibrary( handle );
-#else
+#else // WIN32
  #define LibHandle void*
- #define LoadLib( name ) dlopen( name, RTLD_LAZY | RTLD_GLOBAL )
+ #ifdef DYNLOAD_LOCAL
+  #define LoadLib( name ) dlopen( name, RTLD_LAZY | RTLD_LOCAL )
+ #else // DYNLOAD_LOCAL
+  #define LoadLib( name ) dlopen( name, RTLD_LAZY | RTLD_GLOBAL )
+ #endif // DYNLOAD_LOCAL
  #define GetProc dlsym
  #define UnLoadLib( handle ) dlclose( handle );
-#endif
+#endif // WIN32
 
 #include "SMESH_Gen_i.hxx"
 #include "SMESH_version.h"
@@ -2968,8 +2972,19 @@ CORBA::Boolean SMESH_Gen_i::GetMEDVersion(const char* theFileName,
   theVersion = SMESH::MED_V2_1;
   MED::EVersion aVersion = MED::GetVersionId( theFileName );
   switch( aVersion ) {
-    case MED::eV2_1     : theVersion = SMESH::MED_V2_1; return true;
-    case MED::eV2_2     : theVersion = SMESH::MED_V2_2; return true;
+    case MED::eV2_1     : theVersion = SMESH::MED_V2_1;    return true;
+    case MED::eV2_2     : theVersion = SMESH::MED_V2_2;    return true;
+    case MED::eLATEST   : theVersion = SMESH::MED_LATEST;  return true;
+    case MED::eMINOR_0  : theVersion = SMESH::MED_MINOR_0; return true;
+    case MED::eMINOR_1  : theVersion = SMESH::MED_MINOR_1; return true;
+    case MED::eMINOR_2  : theVersion = SMESH::MED_MINOR_2; return true;
+    case MED::eMINOR_3  : theVersion = SMESH::MED_MINOR_3; return true;
+    case MED::eMINOR_4  : theVersion = SMESH::MED_MINOR_4; return true;
+    case MED::eMINOR_5  : theVersion = SMESH::MED_MINOR_5; return true;
+    case MED::eMINOR_6  : theVersion = SMESH::MED_MINOR_6; return true;
+    case MED::eMINOR_7  : theVersion = SMESH::MED_MINOR_7; return true;
+    case MED::eMINOR_8  : theVersion = SMESH::MED_MINOR_8; return true;
+    case MED::eMINOR_9  : theVersion = SMESH::MED_MINOR_9; return true;
     case MED::eVUnknown : return false;
   }
   return false;
diff --git a/src/SMESH_I/SMESH_MeshEditor_i.cxx b/src/SMESH_I/SMESH_MeshEditor_i.cxx
index bca571b9a..9a0f20ff7 100644
--- a/src/SMESH_I/SMESH_MeshEditor_i.cxx
+++ b/src/SMESH_I/SMESH_MeshEditor_i.cxx
@@ -64,7 +64,6 @@
 #include <Utils_CorbaException.hxx>
 #include <SALOMEDS_wrap.hxx>
 #include <SALOME_GenericObj_i.hh>
-#include <Basics_OCCTVersion.hxx>
 
 #include <BRepAdaptor_Surface.hxx>
 #include <BRep_Tool.hxx>
@@ -76,15 +75,8 @@
 #include <gp_Ax2.hxx>
 #include <gp_Vec.hxx>
 
-#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
-#define NO_CAS_CATCH
-#endif
-
 #include <Standard_Failure.hxx>
-
-#ifdef NO_CAS_CATCH
 #include <Standard_ErrorHandler.hxx>
-#endif
 
 #include <sstream>
 #include <limits>
@@ -3890,7 +3882,6 @@ SMESH_MeshEditor_i::scale(SMESH::SMESH_IDSource_ptr  theObject,
   };
   gp_Trsf aTrsf;
 
-#if OCC_VERSION_LARGE > 0x06070100
   // fight against orthogonalization
   // aTrsf.SetValues( S[0], 0,    0,    thePoint.x * (1-S[0]),
   //                  0,    S[1], 0,    thePoint.y * (1-S[1]),
@@ -3903,13 +3894,6 @@ SMESH_MeshEditor_i::scale(SMESH::SMESH_IDSource_ptr  theObject,
                 thePoint.z * (1-S[2]));
   M.SetDiagonal( S[0], S[1], S[2] );
 
-#else
-  double tol = std::numeric_limits<double>::max();
-  aTrsf.SetValues( S[0], 0,    0,    thePoint.x * (1-S[0]),
-                   0,    S[1], 0,    thePoint.y * (1-S[1]),
-                   0,    0,    S[2], thePoint.z * (1-S[2]),   tol, tol);
-#endif
-
   TIDSortedElemSet  copyElements;
   TIDSortedElemSet* workElements = &elements;
   if ( myIsPreviewMode )
diff --git a/src/SMESH_I/SMESH_Mesh_i.cxx b/src/SMESH_I/SMESH_Mesh_i.cxx
index b16d38f26..b598cc0eb 100644
--- a/src/SMESH_I/SMESH_Mesh_i.cxx
+++ b/src/SMESH_I/SMESH_Mesh_i.cxx
@@ -3022,6 +3022,7 @@ void SMESH_Mesh_i::ExportToMEDX (const char*        file,
                                  CORBA::Boolean     autoDimension)
   throw(SALOME::SALOME_Exception)
 {
+  //MESSAGE("SMESH::MED_VERSION:"<< theVersion);
   SMESH_TRY;
   if ( _preMeshInfo )
     _preMeshInfo->FullLoadFromFile();
@@ -3048,6 +3049,7 @@ void SMESH_Mesh_i::ExportToMED (const char*        file,
                                 SMESH::MED_VERSION theVersion)
   throw(SALOME::SALOME_Exception)
 {
+  //MESSAGE("SMESH::MED_VERSION:"<< theVersion);
   ExportToMEDX(file,auto_groups,theVersion,true);
 }
 
@@ -3061,7 +3063,8 @@ void SMESH_Mesh_i::ExportMED (const char* file,
                               CORBA::Boolean auto_groups)
   throw(SALOME::SALOME_Exception)
 {
-  ExportToMEDX(file,auto_groups,SMESH::MED_V2_2,true);
+  //MESSAGE("SMESH::MED_VERSION:"<< SMESH::MED_LATEST);
+  ExportToMEDX(file,auto_groups,SMESH::MED_LATEST,true);
 }
 
 //================================================================================
diff --git a/src/SMESH_I/SMESH_Pattern_i.cxx b/src/SMESH_I/SMESH_Pattern_i.cxx
index ca5bcd0d2..70dab5de7 100644
--- a/src/SMESH_I/SMESH_Pattern_i.cxx
+++ b/src/SMESH_I/SMESH_Pattern_i.cxx
@@ -295,9 +295,7 @@ SMESH::point_array*
   }
   bool ok = false;
   try {
-#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
     OCC_CATCH_SIGNALS;
-#endif
     ok = myPattern.Apply( aMesh, fset, theNodeIndexOnKeyPoint1, theReverse );
   }
   catch (Standard_Failure& exc) {
diff --git a/src/SMESH_SWIG/smeshBuilder.py b/src/SMESH_SWIG/smeshBuilder.py
index 3d4dcf599..6e0f59579 100644
--- a/src/SMESH_SWIG/smeshBuilder.py
+++ b/src/SMESH_SWIG/smeshBuilder.py
@@ -1795,9 +1795,14 @@ class Mesh:
     #  @param auto_groups boolean parameter for creating/not creating
     #  the groups Group_On_All_Nodes, Group_On_All_Faces, ... ;
     #  the typical use is auto_groups=False.
-    #  @param version MED format version (MED_V2_1 or MED_V2_2,
-    #                 the latter meaning any current version). The parameter is
-    #                 obsolete since MED_V2_1 is no longer supported.
+    #  @param version MED format version
+    #         - MED_V2_1 is obsolete.
+    #         - MED_V2_2 means current version (kept for compatibility reasons)
+    #         - MED_LATEST means current version.
+    #         - MED_MINOR_x where x from 0 to 9 indicates the minor version of MED
+    #           to use for writing MED files, for backward compatibility :
+    #           for instance, with SALOME 8.4 use MED 3.2 (minor=2) instead of 3.3,
+    #           to allow the file to be read with SALOME 8.3.
     #  @param overwrite boolean parameter for overwriting/not overwriting the file
     #  @param meshPart a part of mesh (group, sub-mesh) to export instead of the mesh
     #  @param autoDimension if @c True (default), a space dimension of a MED mesh can be either
@@ -1813,7 +1818,7 @@ class Mesh:
     #         - 'f' stands for "_faces _" field;
     #         - 's' stands for "_solids _" field.
     #  @ingroup l2_impexp
-    def ExportMED(self, f, auto_groups=0, version=MED_V2_2,
+    def ExportMED(self, f, auto_groups=0, version=MED_LATEST,
                   overwrite=1, meshPart=None, autoDimension=True, fields=[], geomAssocFields=''):
         if meshPart or fields or geomAssocFields:
             unRegister = genObjUnRegister()
@@ -1917,9 +1922,14 @@ class Mesh:
     #  Export the mesh in a file in MED format
     #  allowing to overwrite the file if it exists or add the exported data to its contents
     #  @param f the file name
-    #  @param version MED format version (MED_V2_1 or MED_V2_2,
-    #                 the latter meaning any current version). The parameter is
-    #                 obsolete since MED_V2_1 is no longer supported.
+    #  @param version MED format version:
+    #         - MED_V2_1 is obsolete.
+    #         - MED_V2_2 means current version (kept for compatibility reasons)
+    #         - MED_LATEST means current version.
+    #         - MED_MINOR_x where x from 0 to 9 indicates the minor version of MED
+    #           to use for writing MED files, for backward compatibility :
+    #           for instance, with SALOME 8.4 use MED 3.2 (minor=2) instead of 3.3,
+    #           to allow the file to be read with SALOME 8.3.
     #  @param opt boolean parameter for creating/not creating
     #         the groups Group_On_All_Nodes, Group_On_All_Faces, ...
     #  @param overwrite boolean parameter for overwriting/not overwriting the file
@@ -1929,7 +1939,7 @@ class Mesh:
     #         - 3D in the rest cases.<br>
     #         If @a autoDimension is @c False, the space dimension is always 3.
     #  @ingroup l2_impexp
-    def ExportToMED(self, f, version=MED_V2_2, opt=0, overwrite=1, autoDimension=True):
+    def ExportToMED(self, f, version=MED_LATEST, opt=0, overwrite=1, autoDimension=True):
         self.mesh.ExportToMEDX(f, opt, version, overwrite, autoDimension)
 
     # Operations with groups:
diff --git a/src/StdMeshers/StdMeshers_Cartesian_3D.cxx b/src/StdMeshers/StdMeshers_Cartesian_3D.cxx
index 0b92acc5f..002f20961 100644
--- a/src/StdMeshers/StdMeshers_Cartesian_3D.cxx
+++ b/src/StdMeshers/StdMeshers_Cartesian_3D.cxx
@@ -36,7 +36,6 @@
 
 #include <utilities.h>
 #include <Utils_ExceptHandlers.hxx>
-#include <Basics_OCCTVersion.hxx>
 
 #include <GEOMUtils.hxx>
 
@@ -1371,11 +1370,7 @@ namespace
     }
     if ( surf->IsKind( STANDARD_TYPE(Geom_BSplineSurface )) ||
          surf->IsKind( STANDARD_TYPE(Geom_BezierSurface )))
-#if OCC_VERSION_MAJOR < 7
-      if ( !noSafeTShapes.insert((const Standard_Transient*) _face.TShape() ).second )
-#else
       if ( !noSafeTShapes.insert( _face.TShape().get() ).second )
-#endif
         isSafe = false;
 
     double f, l;
@@ -1415,11 +1410,7 @@ namespace
             edgeIsSafe = false;
         }
       }
-#if OCC_VERSION_MAJOR < 7
-      if ( !edgeIsSafe && !noSafeTShapes.insert((const Standard_Transient*) e.TShape() ).second )
-#else
       if ( !edgeIsSafe && !noSafeTShapes.insert( e.TShape().get() ).second )
-#endif
         isSafe = false;
     }
     return isSafe;
diff --git a/src/StdMeshers/StdMeshers_Distribution.cxx b/src/StdMeshers/StdMeshers_Distribution.cxx
index f1f26aebf..aeef4e1ef 100644
--- a/src/StdMeshers/StdMeshers_Distribution.cxx
+++ b/src/StdMeshers/StdMeshers_Distribution.cxx
@@ -31,16 +31,9 @@
 #include <math_GaussSingleIntegration.hxx>
 #include <utilities.h>
 
-#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
-#define NO_CAS_CATCH
-#endif
-
 #include <Standard_Failure.hxx>
 #include <Expr_NamedUnknown.hxx>
-
-#ifdef NO_CAS_CATCH
 #include <Standard_ErrorHandler.hxx>
-#endif
 
 using namespace std;
 
@@ -60,12 +53,9 @@ bool Function::value( const double, double& f ) const
   bool ok = true;
   if (myConv == 0) {
     try {
-#ifdef NO_CAS_CATCH
       OCC_CATCH_SIGNALS;
-#endif
       f = pow( 10., f );
     } catch(Standard_Failure) {
-      Handle(Standard_Failure) aFail = Standard_Failure::Caught();
       f = 0.0;
       ok = false;
     }
@@ -192,13 +182,10 @@ FunctionExpr::FunctionExpr( const char* str, const int conv )
 {
   bool ok = true;
   try {
-#ifdef NO_CAS_CATCH
     OCC_CATCH_SIGNALS;
-#endif
     myExpr = ExprIntrp_GenExp::Create();
     myExpr->Process( ( Standard_CString )str );
   } catch(Standard_Failure) {
-    Handle(Standard_Failure) aFail = Standard_Failure::Caught();
     ok = false;
   }
 
@@ -228,12 +215,9 @@ bool FunctionExpr::value( const double t, double& f ) const
   ( ( TColStd_Array1OfReal& )myValues ).ChangeValue( 1 ) = t;
   bool ok = true;
   try {
-#ifdef NO_CAS_CATCH
     OCC_CATCH_SIGNALS;
-#endif
     f = myExpr->Expression()->Evaluate( myVars, myValues );
   } catch(Standard_Failure) {
-    Handle(Standard_Failure) aFail = Standard_Failure::Caught();
     f = 0.0;
     ok = false;
   }
@@ -246,9 +230,7 @@ double FunctionExpr::integral( const double a, const double b ) const
 {
   double res = 0.0;
   try {
-#ifdef NO_CAS_CATCH
     OCC_CATCH_SIGNALS;
-#endif
     math_GaussSingleIntegration _int
       ( *static_cast<math_Function*>( const_cast<FunctionExpr*> (this) ), a, b, 20 );
     if( _int.IsDone() )
diff --git a/src/StdMeshers/StdMeshers_NumberOfSegments.cxx b/src/StdMeshers/StdMeshers_NumberOfSegments.cxx
index 2ff7274fc..98dac7e84 100644
--- a/src/StdMeshers/StdMeshers_NumberOfSegments.cxx
+++ b/src/StdMeshers/StdMeshers_NumberOfSegments.cxx
@@ -42,15 +42,8 @@
 #include <TopExp.hxx>
 #include <TopTools_IndexedMapOfShape.hxx>
 
-#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
-#define NO_CAS_CATCH
-#endif
-
 #include <Standard_Failure.hxx>
-
-#ifdef NO_CAS_CATCH
 #include <Standard_ErrorHandler.hxx>
-#endif
 
 #include <Basics_Utils.hxx>
 
@@ -238,13 +231,10 @@ void StdMeshers_NumberOfSegments::SetTableFunction(const vector<double>& table)
     if( _convMode==0 )
     {
       try {
-#ifdef NO_CAS_CATCH
         OCC_CATCH_SIGNALS;
-#endif
         val = pow( 10.0, val );
       }
       catch(Standard_Failure) {
-        Handle(Standard_Failure) aFail = Standard_Failure::Caught();
         throw SALOME_Exception( LOCALIZED( "invalid value"));
         return;
       }
@@ -335,13 +325,10 @@ bool process( const TCollection_AsciiString& str, int convMode,
   bool parsed_ok = true;
   Handle( ExprIntrp_GenExp ) myExpr;
   try {
-#ifdef NO_CAS_CATCH
     OCC_CATCH_SIGNALS;
-#endif
     myExpr = ExprIntrp_GenExp::Create();
     myExpr->Process( str.ToCString() );
   } catch(Standard_Failure) {
-    Handle(Standard_Failure) aFail = Standard_Failure::Caught();
     parsed_ok = false;
   }
 
diff --git a/src/StdMeshers/StdMeshers_RadialPrism_3D.cxx b/src/StdMeshers/StdMeshers_RadialPrism_3D.cxx
index bbf339a8b..23962cba2 100644
--- a/src/StdMeshers/StdMeshers_RadialPrism_3D.cxx
+++ b/src/StdMeshers/StdMeshers_RadialPrism_3D.cxx
@@ -29,8 +29,6 @@
 
 #include "StdMeshers_RadialPrism_3D.hxx"
 
-#include <Basics_OCCTVersion.hxx>
-
 #include "StdMeshers_ProjectionUtils.hxx"
 #include "StdMeshers_NumberOfLayers.hxx"
 #include "StdMeshers_LayerDistribution.hxx"
diff --git a/src/StdMeshersGUI/StdMeshersGUI_DistrPreview.cxx b/src/StdMeshersGUI/StdMeshersGUI_DistrPreview.cxx
index 7eb2f3348..f9ad75818 100644
--- a/src/StdMeshersGUI/StdMeshersGUI_DistrPreview.cxx
+++ b/src/StdMeshersGUI/StdMeshersGUI_DistrPreview.cxx
@@ -37,15 +37,8 @@
 #include <Expr_NamedUnknown.hxx>
 #include <Expr_GeneralExpression.hxx>
 
-#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
-#define NO_CAS_CATCH
-#endif
-
 #include <Standard_Failure.hxx>
-
-#ifdef NO_CAS_CATCH
 #include <Standard_ErrorHandler.hxx>
-#endif
 
 #ifdef WIN32
 # include <algorithm>
@@ -356,12 +349,9 @@ void StdMeshersGUI_DistrPreview::update()
   x = y = 0;
 
   try {   
-#ifdef NO_CAS_CATCH
     OCC_CATCH_SIGNALS;
-#endif
     replot();
   } catch(Standard_Failure) {
-    Handle(Standard_Failure) aFail = Standard_Failure::Caught();
   }
 }
 
@@ -404,13 +394,10 @@ bool StdMeshersGUI_DistrPreview::init( const QString& str )
   Kernel_Utils::Localizer loc;
   bool parsed_ok = true;
   try {
-#ifdef NO_CAS_CATCH
     OCC_CATCH_SIGNALS;
-#endif
     myExpr = ExprIntrp_GenExp::Create();
     myExpr->Process( ( Standard_CString ) str.toLatin1().data() );
   } catch(Standard_Failure) {
-    Handle(Standard_Failure) aFail = Standard_Failure::Caught();
     parsed_ok = false;
   }
 
@@ -446,12 +433,9 @@ double StdMeshersGUI_DistrPreview::calc( bool& ok )
 
   ok = true;
   try {   
-#ifdef NO_CAS_CATCH
     OCC_CATCH_SIGNALS;
-#endif
     res = myExpr->Expression()->Evaluate( myVars, myValues );
   } catch(Standard_Failure) {
-    Handle(Standard_Failure) aFail = Standard_Failure::Caught();
     ok = false;
     res = 0.0;
   }
@@ -472,16 +456,13 @@ bool StdMeshersGUI_DistrPreview::convert( double& v ) const
   case EXPONENT:
     {
       try { 
-#ifdef NO_CAS_CATCH
         OCC_CATCH_SIGNALS;
-#endif
         // in StdMeshers_NumberOfSegments.cc
         // const double PRECISION = 1e-7;
         //
         if(v < -7) v = -7.0;
         v = pow( 10.0, v );
       } catch(Standard_Failure) {
-        Handle(Standard_Failure) aFail = Standard_Failure::Caught();
         v = 0.0;
         ok = false;
       }
diff --git a/src/Tools/MGCleanerPlug/CMakeLists.txt b/src/Tools/MGCleanerPlug/CMakeLists.txt
index 50a2d05c9..71758729d 100644
--- a/src/Tools/MGCleanerPlug/CMakeLists.txt
+++ b/src/Tools/MGCleanerPlug/CMakeLists.txt
@@ -16,36 +16,41 @@
 #
 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 #
+
 IF(SALOME_BUILD_DOC)
   ADD_SUBDIRECTORY(doc)
 ENDIF(SALOME_BUILD_DOC)
 
-INCLUDE(UsePyQt)
+IF(SALOME_BUILD_GUI)
+  INCLUDE(UsePyQt)
+ENDIF(SALOME_BUILD_GUI)
 
 # --- scripts ---
 
 # scripts / static
-SET(plugin_SCRIPTS
+SET(_plugin_SCRIPTS
   MGCleanerMonPlugDialog.py
   MGCleanerMonViewText.py
   MGCleanerplug_plugin.py 
 )
 
-# --- resources ---
-
-# uic files / to be processed by pyuic
-SET(_pyuic_files
-  MGCleanerPlugDialog.ui
-  MGCleanerViewText.ui
-)
-
-# scripts / pyuic wrappings
-PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_files})
+IF(SALOME_BUILD_GUI)
+  # uic files / to be processed by pyuic
+  SET(_pyuic_FILES
+    MGCleanerPlugDialog.ui
+    MGCleanerViewText.ui
+  )
+  # scripts / pyuic wrappings
+  PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_FILES} TARGET_NAME _target_name_pyuic)
+ENDIF(SALOME_BUILD_GUI)
 
 # --- rules ---
 
-SALOME_INSTALL_SCRIPTS("${plugin_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS})
+SALOME_INSTALL_SCRIPTS("${_plugin_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS})
 
 IF(SALOME_BUILD_GUI)
-  SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS})
-ENDIF(SALOME_BUILD_GUI)
\ No newline at end of file
+  SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS} TARGET_NAME _target_name_pyuic_py)
+  # add dependency of compiled py files on uic files in order
+  # to avoid races problems when compiling in parallel
+  ADD_DEPENDENCIES(${_target_name_pyuic_py} ${_target_name_pyuic})
+ENDIF(SALOME_BUILD_GUI)
diff --git a/src/Tools/MeshCut/CMakeLists.txt b/src/Tools/MeshCut/CMakeLists.txt
index 2125c0be1..44c8cae1c 100644
--- a/src/Tools/MeshCut/CMakeLists.txt
+++ b/src/Tools/MeshCut/CMakeLists.txt
@@ -38,7 +38,7 @@ SET(_link_LIBRARIES
 # --- scripts ---
 
 # scripts / static
-SET(plugin_SCRIPTS
+SET(_plugin_SCRIPTS
   meshcut_plugin.py
 )
 
@@ -61,26 +61,25 @@ SET(MeshCut_SOURCES
 )
 
 IF(SALOME_BUILD_GUI)
-  # --- resources ---
-
   # uic files / to be processed by pyuic
-  SET(_pyuic_files
+  SET(_pyuic_FILES
     MeshCutDialog.ui
   )
-
   # scripts / pyuic wrappings
-  PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_files})
-
+  PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_FILES} TARGET_NAME _target_name_pyuic)
 ENDIF(SALOME_BUILD_GUI)
 
 # --- rules ---
 
-SALOME_INSTALL_SCRIPTS("${plugin_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS})
+SALOME_INSTALL_SCRIPTS("${_plugin_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS})
 
 ADD_EXECUTABLE(MeshCut ${MeshCut_SOURCES})
 TARGET_LINK_LIBRARIES(MeshCut ${_link_LIBRARIES})
 INSTALL(TARGETS MeshCut EXPORT ${PROJECT_NAME}TargetGroup DESTINATION ${SALOME_INSTALL_BINS})
 
 IF(SALOME_BUILD_GUI)
-  INSTALL(FILES ${_pyuic_SCRIPTS} DESTINATION ${SALOME_INSTALL_BINS})
+  SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_INSTALL_BINS} TARGET_NAME _target_name_pyuic_py)
+  # add dependency of compiled py files on uic files in order
+  # to avoid races problems when compiling in parallel
+  ADD_DEPENDENCIES(${_target_name_pyuic_py} ${_target_name_pyuic})
 ENDIF(SALOME_BUILD_GUI)
diff --git a/src/Tools/Verima/Gui/CMakeLists.txt b/src/Tools/Verima/Gui/CMakeLists.txt
index 07c0275a1..1e0cf7b74 100644
--- a/src/Tools/Verima/Gui/CMakeLists.txt
+++ b/src/Tools/Verima/Gui/CMakeLists.txt
@@ -22,7 +22,7 @@ INCLUDE(UsePyQt)
 # --- scripts ---
 
 # scripts / static
-SET(plugin_SCRIPTS
+SET(_plugin_SCRIPTS
   maFenetreChoix.py
   monEditor.py
   monNomBase.py
@@ -30,10 +30,8 @@ SET(plugin_SCRIPTS
   __init__.py
 )
 
-# --- resources ---
-
 # uic files / to be processed by pyuic
-SET(_pyuic_files
+SET(_pyuic_FILES
   desFenetreChoix.ui
   desStat.ui
   myMainTotale.ui
@@ -42,12 +40,14 @@ SET(_pyuic_files
   nomBase.ui
   tousLesJobs.ui
 )
-
 # scripts / pyuic wrappings
-PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_files})
+PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_FILES} TARGET_NAME _target_name_pyuic)
 
 # --- rules ---
 
-SALOME_INSTALL_SCRIPTS("${plugin_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS}/Verima/Gui)
+SALOME_INSTALL_SCRIPTS("${_plugin_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS}/Verima/Gui)
 
-SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS}/Verima/Gui)
+SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS}/Verima/Gui TARGET_NAME _target_name_pyuic_py)
+# add dependency of compiled py files on uic files in order
+# to avoid races problems when compiling in parallel
+ADD_DEPENDENCIES(${_target_name_pyuic_py} ${_target_name_pyuic})
diff --git a/src/Tools/YamsPlug/CMakeLists.txt b/src/Tools/YamsPlug/CMakeLists.txt
index 29e6fc99f..9ab185c11 100644
--- a/src/Tools/YamsPlug/CMakeLists.txt
+++ b/src/Tools/YamsPlug/CMakeLists.txt
@@ -21,30 +21,36 @@ IF(SALOME_BUILD_DOC)
   ADD_SUBDIRECTORY(doc)
 ENDIF(SALOME_BUILD_DOC)
 
-INCLUDE(UsePyQt)
+IF(SALOME_BUILD_GUI)
+  INCLUDE(UsePyQt)
+ENDIF(SALOME_BUILD_GUI)
 
 # --- scripts ---
 
 # scripts / static
-SET(plugin_SCRIPTS
+SET(_plugin_SCRIPTS
   monYamsPlugDialog.py
   monViewText.py
   yamsplug_plugin.py  
 )
 
-# --- resources ---
-
-# uic files / to be processed by pyuic
-SET(_pyuic_files
-  YamsPlugDialog.ui  
-  ViewText.ui
-)
-
-# scripts / pyuic wrappings
-PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_files})
+IF(SALOME_BUILD_GUI)
+  # uic files / to be processed by pyuic
+  SET(_pyuic_FILES
+    YamsPlugDialog.ui  
+    ViewText.ui
+  )
+  # scripts / pyuic wrappings
+  PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_FILES} TARGET_NAME _target_name_pyuic)
+ENDIF(SALOME_BUILD_GUI)
 
 # --- rules ---
 
-SALOME_INSTALL_SCRIPTS("${plugin_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS})
+SALOME_INSTALL_SCRIPTS("${_plugin_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS})
 
-SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS})
\ No newline at end of file
+IF(SALOME_BUILD_GUI)
+  SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_SMESH_INSTALL_PLUGINS} TARGET_NAME _target_name_pyuic_py)
+  # add dependency of compiled py files on uic files in order
+  # to avoid races problems when compiling in parallel
+  ADD_DEPENDENCIES(${_target_name_pyuic_py} ${_target_name_pyuic})
+ENDIF(SALOME_BUILD_GUI)
diff --git a/src/Tools/ZCracksPlug/CMakeLists.txt b/src/Tools/ZCracksPlug/CMakeLists.txt
index 288b9d783..2f87a5cf1 100644
--- a/src/Tools/ZCracksPlug/CMakeLists.txt
+++ b/src/Tools/ZCracksPlug/CMakeLists.txt
@@ -19,12 +19,14 @@
 
 ADD_SUBDIRECTORY(casTests)
 
-INCLUDE(UsePyQt)
+IF(SALOME_BUILD_GUI)
+  INCLUDE(UsePyQt)
+ENDIF(SALOME_BUILD_GUI)
 
 # --- scripts ---
 
 # scripts / static
-SET(plugin_SCRIPTS
+SET(_plugin_SCRIPTS
   __init__.py
   ellipse.py
   genereCrack.py
@@ -38,22 +40,27 @@ SET(plugin_SCRIPTS
   Zset.py
 )
 
-SET(command_SCRIPTS
+SET(_command_SCRIPTS
   zcracksLaunch.py
 )
 
-# --- resources ---
-
-# uic files / to be processed by pyuic
-SET(_pyuic_files
-  zcracks.ui
-)
-
-# scripts / pyuic wrappings
-PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_files})
+IF(SALOME_BUILD_GUI)
+  # uic files / to be processed by pyuic
+  SET(_pyuic_FILES
+    zcracks.ui
+  )
+  # scripts / pyuic wrappings
+  PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_FILES} TARGET_NAME _target_name_pyuic)
+ENDIF(SALOME_BUILD_GUI)
 
 # --- rules ---
 
-SALOME_INSTALL_SCRIPTS("${plugin_SCRIPTS}" ${SALOME_INSTALL_PYTHON}/Zcracks)
-SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_INSTALL_PYTHON}/Zcracks)
-SALOME_INSTALL_SCRIPTS("${command_SCRIPTS}" ${SALOME_INSTALL_BINS})
+SALOME_INSTALL_SCRIPTS("${_plugin_SCRIPTS}" ${SALOME_INSTALL_PYTHON}/Zcracks)
+SALOME_INSTALL_SCRIPTS("${_command_SCRIPTS}" ${SALOME_INSTALL_BINS})
+IF(SALOME_BUILD_GUI)
+  SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_INSTALL_PYTHON}/Zcracks TARGET_NAME _target_name_pyuic_py)
+  # add dependency of compiled py files on uic files in order
+  # to avoid races problems when compiling in parallel
+  ADD_DEPENDENCIES(${_target_name_pyuic_py} ${_target_name_pyuic})
+ENDIF(SALOME_BUILD_GUI)
+
diff --git a/src/Tools/blocFissure/ihm/CMakeLists.txt b/src/Tools/blocFissure/ihm/CMakeLists.txt
index 5ba2e6075..a561ab816 100644
--- a/src/Tools/blocFissure/ihm/CMakeLists.txt
+++ b/src/Tools/blocFissure/ihm/CMakeLists.txt
@@ -22,7 +22,7 @@ INCLUDE(UsePyQt)
 # --- scripts ---
 
 # scripts / static
-SET(plugin_SCRIPTS
+SET(_plugin_SCRIPTS
   __init__.py
   fissureCoude_ihm.py
   fissureCoude_plugin.py
@@ -30,19 +30,19 @@ SET(plugin_SCRIPTS
   dialogFissureCoude.dic
 )
 
-# --- resources ---
-
 # uic files / to be processed by pyuic
-SET(_pyuic_files
+SET(_pyuic_FILES
   fissureCoude.ui
   fissureGenerale.ui
 )
-
 # scripts / pyuic wrappings
-PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_files})
+PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_FILES} TARGET_NAME _target_name_pyuic)
 
 # --- rules ---
 
-SALOME_INSTALL_SCRIPTS("${plugin_SCRIPTS}" ${SALOME_INSTALL_PYTHON}/blocFissure/ihm)
+SALOME_INSTALL_SCRIPTS("${_plugin_SCRIPTS}" ${SALOME_INSTALL_PYTHON}/blocFissure/ihm)
 
-SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_INSTALL_PYTHON}/blocFissure/ihm)
+SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_INSTALL_PYTHON}/blocFissure/ihm TARGET_NAME _target_name_pyuic_py)
+# add dependency of compiled py files on uic files in order
+# to avoid races problems when compiling in parallel
+ADD_DEPENDENCIES(${_target_name_pyuic_py} ${_target_name_pyuic})
diff --git a/src/Tools/padder/spadderpy/gui/CMakeLists.txt b/src/Tools/padder/spadderpy/gui/CMakeLists.txt
index 8bffecdc7..3ee6b8567 100644
--- a/src/Tools/padder/spadderpy/gui/CMakeLists.txt
+++ b/src/Tools/padder/spadderpy/gui/CMakeLists.txt
@@ -22,7 +22,7 @@ INCLUDE(UsePyQt)
 # --- scripts ---
 
 # scripts / static
-SET(py_SCRIPTS
+SET(_py_SCRIPTS
   __init__.py
   plugindialog.py
   inputdialog.py
@@ -32,7 +32,7 @@ SET(py_SCRIPTS
 # --- resources ---
 
 # uic files / to be processed by pyuic
-SET(spadderpy_DATA
+SET(_spadderpy_DATA
   parameters.png
   input.png
   select.png
@@ -46,15 +46,20 @@ SET(spadderpy_DATA
   steelbar.png
 )
 
-SET(_pyuic_files
+SET(_pyuic_FILES
   plugindialog.ui
   inputframe.ui
 )
 
 # scripts / pyuic wrappings
-PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_files})
+PYQT_WRAP_UIC(_pyuic_SCRIPTS ${_pyuic_FILES} TARGET_NAME _target_name_pyuic)
 
 # --- rules ---
-SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_INSTALL_PYTHON}/salome/smesh/spadder/gui)
-SALOME_INSTALL_SCRIPTS("${py_SCRIPTS}" ${SALOME_INSTALL_PYTHON}/salome/smesh/spadder/gui)
-INSTALL(FILES ${spadderpy_DATA} DESTINATION ${SALOME_INSTALL_PYTHON}/salome/smesh/spadder/gui)
+SALOME_INSTALL_SCRIPTS("${_pyuic_SCRIPTS}" ${SALOME_INSTALL_PYTHON}/salome/smesh/spadder/gui TARGET_NAME _target_name_pyuic_py)
+# add dependency of compiled py files on uic files in order
+# to avoid races problems when compiling in parallel
+ADD_DEPENDENCIES(${_target_name_pyuic_py} ${_target_name_pyuic})
+
+SALOME_INSTALL_SCRIPTS("${_py_SCRIPTS}" ${SALOME_INSTALL_PYTHON}/salome/smesh/spadder/gui)
+
+INSTALL(FILES ${_spadderpy_DATA} DESTINATION ${SALOME_INSTALL_PYTHON}/salome/smesh/spadder/gui)