diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index 2c2cf086c..0de933c37 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -386,12 +386,12 @@ sub new {
     $self->{btn_print}->Hide;
     $self->{btn_send_gcode}->Hide;
     
+#       export_gcode    cog_go.png
     my %icons = qw(
         add             brick_add.png
         remove          brick_delete.png
         reset           cross.png
         arrange         bricks.png
-        export_gcode    cog_go.png
         print           arrow_up.png
         send_gcode      arrow_up.png
         reslice         reslice.png
@@ -648,6 +648,8 @@ sub new {
         $right_sizer->Add($expert_mode_part_sizer, 0, wxEXPAND | wxTOP, 10) if defined $expert_mode_part_sizer;
         $right_sizer->Add($buttons_sizer, 0, wxEXPAND | wxBOTTOM | wxTOP, 10);
         $right_sizer->Add($info_sizer, 0, wxEXPAND | wxLEFT, 20);
+        # Show the box initially, let it be shown after the slicing is finished.
+        $self->print_info_box_show(0);
         $right_sizer->Add($self->{btn_export_gcode}, 0, wxEXPAND | wxLEFT | wxTOP | wxBOTTOM, 20);
 
         my $hsizer = Wx::BoxSizer->new(wxHORIZONTAL);
@@ -1727,7 +1729,7 @@ sub print_info_box_show {
 #    return if (!$show && ($scrolled_window_sizer->IsShown(2) == $show));
     my $panel = $self->{right_panel};
     my $sizer = $self->{info_sizer};
-    return if (!$show && ($sizer->IsShown(2) == $show));
+    return if (!$sizer || !$show && ($sizer->IsShown(1) == $show));
 
     Slic3r::GUI::set_show_print_info($show);
     return if (wxTheApp->{app_config}->get("view_mode") eq "simple");
@@ -1772,8 +1774,8 @@ sub print_info_box_show {
 #    $scrolled_window_panel->Layout;
     $sizer->Show(1, $show);
 
-#?    $self->Layout;
-#?    $panel->Refresh;
+    $self->Layout;
+    $panel->Refresh;
 }
 
 sub do_print {
diff --git a/xs/src/slic3r/GUI/Field.cpp b/xs/src/slic3r/GUI/Field.cpp
index b9753fe93..4043a4457 100644
--- a/xs/src/slic3r/GUI/Field.cpp
+++ b/xs/src/slic3r/GUI/Field.cpp
@@ -718,7 +718,7 @@ void SliderCtrl::BUILD()
 
 	auto temp = new wxBoxSizer(wxHORIZONTAL);
 
-	auto def_val = static_cast<ConfigOptionInt*>(m_opt.default_value)->value;
+	auto def_val = static_cast<const ConfigOptionInt*>(m_opt.default_value)->value;
 	auto min = m_opt.min == INT_MIN ? 0 : m_opt.min;
 	auto max = m_opt.max == INT_MAX ? 100 : m_opt.max;
 
diff --git a/xs/src/slic3r/GUI/GLCanvas3D.cpp b/xs/src/slic3r/GUI/GLCanvas3D.cpp
index 2b548896d..dc867b767 100644
--- a/xs/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/xs/src/slic3r/GUI/GLCanvas3D.cpp
@@ -2952,12 +2952,6 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
 #endif
     }
     else if (evt.Leaving())
-    {
-        // to remove hover when mouse goes out of this canvas
-        m_mouse.position = Pointf((coordf_t)pos.x, (coordf_t)pos.y);
-        render();
-    }
-    else if (evt.Leaving())
     {
         // to remove hover on objects when the mouse goes out of this canvas
         m_mouse.position = Vec2d(-1.0, -1.0);
diff --git a/xs/src/slic3r/GUI/GUI.cpp b/xs/src/slic3r/GUI/GUI.cpp
index ed160b421..161da5267 100644
--- a/xs/src/slic3r/GUI/GUI.cpp
+++ b/xs/src/slic3r/GUI/GUI.cpp
@@ -803,10 +803,6 @@ PresetBundle* get_preset_bundle()
 	return g_PresetBundle;
 }
 
-wxNotebook* get_tab_panel() {
-    return g_wxTabPanel;
-}
-
 const wxColour& get_label_clr_modified() {
 	return g_color_label_modified;
 }
@@ -1116,7 +1112,7 @@ void show_buttons(bool show)
 		if (!tab)
 			continue;
 		g_btn_print->Show(show && !tab->m_config->opt_string("serial_port").empty());
-		g_btn_send_gcode->Show(show && !tab->m_config->opt_string("octoprint_host").empty());
+		g_btn_send_gcode->Show(show && !tab->m_config->opt_string("print_host").empty());
 		break;
 	}
 }
diff --git a/xs/src/slic3r/GUI/GUI_ObjectParts.cpp b/xs/src/slic3r/GUI/GUI_ObjectParts.cpp
index e9d08ede5..bb5a41423 100644
--- a/xs/src/slic3r/GUI/GUI_ObjectParts.cpp
+++ b/xs/src/slic3r/GUI/GUI_ObjectParts.cpp
@@ -35,8 +35,8 @@ wxSlider*	m_mover_y = nullptr;
 wxSlider*	m_mover_z = nullptr;
 wxButton*	m_btn_move_up = nullptr;
 wxButton*	m_btn_move_down = nullptr;
-Point3		m_move_options;
-Point3		m_last_coords;
+Vec3d		m_move_options;
+Vec3d		m_last_coords;
 int			m_selected_object_id = -1;
 
 bool		g_prevent_list_events = false;		// We use this flag to avoid circular event handling Select() 
@@ -387,12 +387,12 @@ void update_after_moving()
 	if (volume_id < 0)
 		return;
 
-	Point3 m = m_move_options;
-	Point3 l = m_last_coords;
+	Vec3d m = m_move_options;
+	Vec3d l = m_last_coords;
 
-	auto d = Pointf3(m.x - l.x, m.y - l.y, m.z - l.z);
+    auto d = Vec3d(m(0) - l(0), m(1) - l(1), m(2) - l(2));
 	auto volume = (*m_objects)[m_selected_object_id]->volumes[volume_id];
-	volume->mesh.translate(d.x,d.y,d.z);
+    volume->mesh.translate(d(0), d(1), d(2));
 	m_last_coords = m;
 
 	m_parts_changed = true;
@@ -407,17 +407,17 @@ wxSizer* object_movers(wxWindow *win)
 	optgroup->m_on_change = [](t_config_option_key opt_key, boost::any value){
 		int val = boost::any_cast<int>(value);
 		bool update = false;
-		if (opt_key == "x" && m_move_options.x != val){
+        if (opt_key == "x" && m_move_options(0) != val){
 			update = true;
-			m_move_options.x = val;
+            m_move_options(0) = val;
 		}
-		else if (opt_key == "y" && m_move_options.y != val){
+        else if (opt_key == "y" && m_move_options(1) != val){
 			update = true;
-			m_move_options.y = val;
+            m_move_options(1) = val;
 		}
-		else if (opt_key == "z" && m_move_options.z != val){
+        else if (opt_key == "z" && m_move_options(2) != val){
 			update = true;
-			m_move_options.z = val;
+            m_move_options(2) = val;
 		}
 		if (update) update_after_moving();
 	};
@@ -448,8 +448,8 @@ wxSizer* object_movers(wxWindow *win)
 	m_sizer_object_movers = optgroup->sizer;
 	m_sizer_object_movers->Show(false);
 
-	m_move_options = Point3(0, 0, 0);
-	m_last_coords = Point3(0, 0, 0);
+	m_move_options = Vec3d(0, 0, 0);
+	m_last_coords = Vec3d(0, 0, 0);
 
 	return optgroup->sizer;
 }
@@ -1122,9 +1122,9 @@ void load_part(	wxWindow* parent, ModelObject* model_object,
 				part_names.Add(new_volume->name);
 
 				// apply the same translation we applied to the object
-				new_volume->mesh.translate( model_object->origin_translation.x,
-											model_object->origin_translation.y, 
-											model_object->origin_translation.y );
+				new_volume->mesh.translate( model_object->origin_translation(0),
+											model_object->origin_translation(1), 
+											model_object->origin_translation(2) );
 				// set a default extruder value, since user can't add it manually
 				new_volume->config.set_key_value("extruder", new ConfigOptionInt(0));
 
@@ -1162,9 +1162,9 @@ void load_lambda(	wxWindow* parent, ModelObject* model_object,
 		break;}
 	case LambdaTypeSlab:{
 		const auto& size = model_object->bounding_box().size();
-		mesh = make_cube(size.x*1.5, size.y*1.5, params.slab_h);
+        mesh = make_cube(size(0)*1.5, size(1)*1.5, params.slab_h);
 		// box sets the base coordinate at 0, 0, move to center of plate and move it up to initial_z
-		mesh.translate(-size.x*1.5 / 2.0, -size.y*1.5 / 2.0, params.slab_z);
+        mesh.translate(-size(0)*1.5 / 2.0, -size(1)*1.5 / 2.0, params.slab_z);
 		name += "Slab";
 		break; }
 	default:
@@ -1514,7 +1514,7 @@ void update_scale_values()
                         (*m_objects)[m_selected_object_id]->instances[0]->scaling_factor);
 }
 
-void update_scale_values(const Pointf3& size, float scaling_factor)
+void update_scale_values(const Vec3d& size, float scaling_factor)
 {
     auto og = get_optgroup(ogFrequentlyObjectSettings);
 
@@ -1525,9 +1525,9 @@ void update_scale_values(const Pointf3& size, float scaling_factor)
         og->set_value("scale_z", int(scale));
     }
     else {
-        og->set_value("scale_x", int(size.x + 0.5));
-        og->set_value("scale_y", int(size.y + 0.5));
-        og->set_value("scale_z", int(size.z + 0.5));
+        og->set_value("scale_x", int(size(0) + 0.5));
+        og->set_value("scale_y", int(size(1) + 0.5));
+        og->set_value("scale_z", int(size(2) + 0.5));
     }
 }
 
diff --git a/xs/src/slic3r/GUI/GUI_ObjectParts.hpp b/xs/src/slic3r/GUI/GUI_ObjectParts.hpp
index 15be90bbf..8c6bd2ed0 100644
--- a/xs/src/slic3r/GUI/GUI_ObjectParts.hpp
+++ b/xs/src/slic3r/GUI/GUI_ObjectParts.hpp
@@ -108,7 +108,7 @@ void set_extruder_column_hidden(bool hide);
 void update_extruder_in_config(const wxString& selection);
 // update scale values after scale unit changing or "gizmos"
 void update_scale_values();
-void update_scale_values(const Pointf3& size, float scale);
+void update_scale_values(const Vec3d& size, float scale);
 // update rotation values object selection changing
 void update_rotation_values();
 // update rotation value after "gizmos"