diff --git a/src/slic3r/GUI/GUI_ObjectList.cpp b/src/slic3r/GUI/GUI_ObjectList.cpp
index 2b72e901a78..ff5dff3d24c 100644
--- a/src/slic3r/GUI/GUI_ObjectList.cpp
+++ b/src/slic3r/GUI/GUI_ObjectList.cpp
@@ -1031,6 +1031,20 @@ void ObjectList::key_event(wxKeyEvent& event)
         increase_instances();
     else if (event.GetUnicodeKey() == '-')
         decrease_instances();
+    else if (event.GetUnicodeKey() == 'p')
+        toggle_printable_state();
+    else if (extruders_count() > 1) {
+        std::vector<wxChar> numbers = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
+        wxChar key_char = event.GetUnicodeKey();
+        if (std::find(numbers.begin(), numbers.end(), key_char) != numbers.end()) {
+            long extruder_number;
+            if (wxNumberFormatter::FromString(wxString(key_char), &extruder_number) &&
+                extruders_count() >= extruder_number)
+                set_extruder_for_selected_items(int(extruder_number));
+        }
+        else
+            event.Skip();
+    }
     else
         event.Skip();
 }
@@ -3787,33 +3801,6 @@ void ObjectList::OnEditingDone(wxDataViewEvent &event)
         plater->set_current_canvas_as_dirty();
 }
 
-void ObjectList::extruder_selection()
-{
-    wxArrayString choices;
-    choices.Add(_(L("default")));
-    for (int i = 1; i <= extruders_count(); ++i)
-        choices.Add(wxString::Format("%d", i));
-
-    const wxString& selected_extruder = wxGetSingleChoice(_(L("Select extruder number:")),
-                                                          _(L("This extruder will be set for selected items")),
-                                                          choices, 0, this);
-    if (selected_extruder.IsEmpty())
-        return;
-
-    const int extruder_num = selected_extruder == _(L("default")) ? 0 : atoi(selected_extruder.c_str());
-
-//          /* Another variant for an extruder selection */
-//     extruder_num = wxGetNumberFromUser(_(L("Attention!!! \n"
-//                                              "It's a possibile to set an extruder number \n"
-//                                              "for whole Object(s) and/or object Part(s), \n"
-//                                              "not for an Instance. ")), 
-//                                          _(L("Enter extruder number:")),
-//                                          _(L("This extruder will be set for selected items")), 
-//                                          1, 1, 5, this);
-
-    set_extruder_for_selected_items(extruder_num);
-}
-
 void ObjectList::set_extruder_for_selected_items(const int extruder) const 
 {
     wxDataViewItemArray sels;
@@ -3918,10 +3905,10 @@ void ObjectList::toggle_printable_state()
     int inst_idx = type == itObject ? 0 : m_objects_model->GetInstanceIdByItem(frst_item);
     bool printable = !object(obj_idx)->instances[inst_idx]->printable;
 
-    const wxString snapshot_text =  sels.Count() > 1 ? (printable ? _L("Set Printable group") : _L("Set Unprintable group")) :
-                                    object(obj_idx)->instances.size() == 1 ? from_u8((boost::format("%1% %2%")
-                                        % (printable ? _L("Set Printable") : _L("Set Unprintable"))
-                                        % object(obj_idx)->name).str()) :
+    const wxString snapshot_text =  sels.Count() > 1 ? 
+                                    (printable ? _L("Set Printable group") : _L("Set Unprintable group")) :
+                                    object(obj_idx)->instances.size() == 1 ? 
+                                    format_wxstr("%1% %2%", (printable ? _L("Set Printable") : _L("Set Unprintable")), from_u8(object(obj_idx)->name)) :
                                     (printable ? _L("Set Printable Instance") : _L("Set Unprintable Instance"));
     take_snapshot(snapshot_text);
 
diff --git a/src/slic3r/GUI/GUI_ObjectList.hpp b/src/slic3r/GUI/GUI_ObjectList.hpp
index 8bcfec11c43..b378b00af2c 100644
--- a/src/slic3r/GUI/GUI_ObjectList.hpp
+++ b/src/slic3r/GUI/GUI_ObjectList.hpp
@@ -390,7 +390,6 @@ class ObjectList : public wxDataViewCtrl
 	void OnEditingStarted(wxDataViewEvent &event);
 #endif /* __WXMSW__ */
     void OnEditingDone(wxDataViewEvent &event);
-    void extruder_selection();
 };
 
 
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index c0cda004250..03787e0a0b8 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -2743,10 +2743,11 @@ void Plater::priv::split_object()
         Slic3r::GUI::warning_catcher(q, _L("The selected object couldn't be split because it contains only one solid part."));
     else
     {
-        if (current_model_object->volumes.size() != new_objects.size())
+        // If we splited object which is contain some parts/modifiers then all non-solid parts (modifiers) were deleted
+        if (current_model_object->volumes.size() > 1 && current_model_object->volumes.size() != new_objects.size())
             notification_manager->push_notification(NotificationType::CustomNotification,
                 NotificationManager::NotificationLevel::RegularNotification,
-                _u8L("All non-solid parts (modifiers) was deleted"));
+                _u8L("All non-solid parts (modifiers) were deleted"));
 
         Plater::TakeSnapshot snapshot(q, _L("Split to Objects"));