diff --git a/src/Gui/InputField.cpp b/src/Gui/InputField.cpp
index 5498560e40..8b57df3493 100644
--- a/src/Gui/InputField.cpp
+++ b/src/Gui/InputField.cpp
@@ -492,8 +492,13 @@ void InputField::setMinimum(double m)
 
 void InputField::setUnitText(const QString& str)
 {
-    Base::Quantity quant = Base::Quantity::parse(str);
-    setUnit(quant.getUnit());
+    try {
+        Base::Quantity quant = Base::Quantity::parse(str);
+        setUnit(quant.getUnit());
+    }
+    catch (...) {
+        // ignore exceptions
+    }
 }
 
 QString InputField::getUnitText(void)
diff --git a/src/Gui/WidgetFactory.cpp b/src/Gui/WidgetFactory.cpp
index 253e771830..03017daf15 100644
--- a/src/Gui/WidgetFactory.cpp
+++ b/src/Gui/WidgetFactory.cpp
@@ -108,7 +108,7 @@ PyTypeObject** SbkPySide2_QtWidgetsTypes=NULL;
 
 using namespace Gui;
 
-#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
+#if defined (HAVE_SHIBOKEN)
 namespace Shiboken {
 template<> struct Converter<Base::Quantity>
 {
@@ -150,13 +150,9 @@ PythonToCppFunc toCppPointerCheckFuncQuantity(PyObject* obj)
 
 void registerTypes()
 {
-#if defined (HAVE_SHIBOKEN2)
-    //FIXME: This crashes with Shiboken2
-#else
     SbkConverter* convert = Shiboken::Conversions::createConverter(&Base::QuantityPy::Type, toPythonFuncQuantity);
     Shiboken::Conversions::setPythonToCppPointerFunctions(convert, toCppPointerConvFuncQuantity, toCppPointerCheckFuncQuantity);
     Shiboken::Conversions::registerConverterName(convert, "Base::Quantity");
-#endif
 }
 #endif
 
diff --git a/src/Mod/Draft/App/DraftDxf.cpp b/src/Mod/Draft/App/DraftDxf.cpp
index a8b50c3751..cf5db5e18a 100644
--- a/src/Mod/Draft/App/DraftDxf.cpp
+++ b/src/Mod/Draft/App/DraftDxf.cpp
@@ -210,8 +210,10 @@ void DraftDxfRead::AddObject(Part::TopoShape *shape)
     vec.push_back(shape);
     layers[LayerName()] = vec;
     if (!optionGroupLayers) {
-        Part::Feature *pcFeature = (Part::Feature *)document->addObject("Part::Feature", "Shape");
-        pcFeature->Shape.setValue(*shape);
+        if(LayerName().substr(0, 6) != "BLOCKS") {
+            Part::Feature *pcFeature = (Part::Feature *)document->addObject("Part::Feature", "Shape");
+            pcFeature->Shape.setValue(shape->getShape());
+        }
     }
 }
 
diff --git a/src/Mod/Path/PathScripts/linuxcnc_post.py b/src/Mod/Path/PathScripts/linuxcnc_post.py
index 4d625c5fe7..ecb32bee4f 100644
--- a/src/Mod/Path/PathScripts/linuxcnc_post.py
+++ b/src/Mod/Path/PathScripts/linuxcnc_post.py
@@ -40,7 +40,7 @@ Arguments for linuxcnc:
     --line-numbers,--no-line-numbers ... prefix with line numbers (--no-lin-numbers)
     --show-editor, --no-show-editor  ... pop up editor before writing output(--show-editor)
 '''
-
+import FreeCAD
 import datetime
 from PathScripts import PostUtils
 
@@ -50,7 +50,10 @@ now = datetime.datetime.now()
 OUTPUT_COMMENTS = True
 OUTPUT_HEADER = True
 OUTPUT_LINE_NUMBERS = False
-SHOW_EDITOR = True
+if FreeCAD.GuiUp:
+    SHOW_EDITOR = True
+else:
+    SHOW_EDITOR = False
 MODAL = False  # if true commands are suppressed if the same as previous line.
 COMMAND_SPACE = " "
 LINENR = 100  # line number starting value