diff --git a/src/Base/TimeInfo.cpp b/src/Base/TimeInfo.cpp
index 90827289385c..3c459a21ed11 100644
--- a/src/Base/TimeInfo.cpp
+++ b/src/Base/TimeInfo.cpp
@@ -71,6 +71,10 @@ void TimeInfo::setTime_t (uint64_t seconds)
 
 std::string TimeInfo::currentDateTimeString()
 {
+#if (QT_VERSION >= 0x050300)
+    return QDateTime::currentDateTime().toTimeSpec(Qt::OffsetFromUTC)
+        .toString(Qt::ISODate).toStdString();
+#else
     QDateTime local = QDateTime::currentDateTime();
     QDateTime utc = local.toUTC();
     utc.setTimeSpec(Qt::LocalTime);
@@ -78,6 +82,7 @@ std::string TimeInfo::currentDateTimeString()
     local.setUtcOffset(utcOffset);
     QString dm = local.toString(Qt::ISODate);
     return dm.toStdString();
+#endif
 }
 
 std::string TimeInfo::diffTime(const TimeInfo &timeStart,const TimeInfo &timeEnd )
diff --git a/src/Mod/Draft/importDXF.py b/src/Mod/Draft/importDXF.py
index 4a8d1f351f75..6a80364fc152 100644
--- a/src/Mod/Draft/importDXF.py
+++ b/src/Mod/Draft/importDXF.py
@@ -1357,6 +1357,9 @@ def getArcData(edge):
             ang1,ang2=edge.ParameterRange
         else:
             ang2,ang1=edge.ParameterRange
+        if edge.Curve.XAxis != FreeCAD.Vector(1,0,0):
+            ang1 -= DraftVecUtils.angle(edge.Curve.XAxis)
+            ang2 -= DraftVecUtils.angle(edge.Curve.XAxis)
         return DraftVecUtils.tup(ce), radius, math.degrees(ang1),\
                 math.degrees(ang2)
 
diff --git a/src/Mod/Part/App/modelRefine.cpp b/src/Mod/Part/App/modelRefine.cpp
index ae3455cd6053..2a7adb3d778a 100644
--- a/src/Mod/Part/App/modelRefine.cpp
+++ b/src/Mod/Part/App/modelRefine.cpp
@@ -739,7 +739,7 @@ FaceTypedCylinder& ModelRefine::getCylinderObject()
 /////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 // TODO: change this version after occ fix. Freecad Mantis 1450
-#if OCC_VERSION_HEX <= 0x070000
+#if OCC_VERSION_HEX <= 0x7fffff
 void collectConicEdges(const TopoDS_Shell &shell, TopTools_IndexedMapOfShape &map)
 {
   TopTools_IndexedMapOfShape edges;
@@ -1026,7 +1026,7 @@ bool FaceUniter::process()
         
         BRepLib_FuseEdges edgeFuse(workShell);
 // TODO: change this version after occ fix. Freecad Mantis 1450
-#if OCC_VERSION_HEX <= 0x070000
+#if OCC_VERSION_HEX <= 0x7fffff
         TopTools_IndexedMapOfShape map;
         collectConicEdges(workShell, map);
         edgeFuse.AvoidEdges(map);