diff --git a/src/slic3r/GUI/Field.cpp b/src/slic3r/GUI/Field.cpp
index 88ed7a445..655a81ce4 100644
--- a/src/slic3r/GUI/Field.cpp
+++ b/src/slic3r/GUI/Field.cpp
@@ -505,6 +505,11 @@ void SpinCtrl::BUILD() {
         else tmp_value = -9999;
 #ifdef __WXOSX__
         propagate_value();
+
+        // Forcibly set the input value for SpinControl, since the value 
+	    // inserted from the clipboard is not updated under OSX
+        if (tmp_value > -9999)
+            dynamic_cast<wxSpinCtrl*>(window)->SetValue(tmp_value);
 #endif
 	}), temp->GetId());
 	
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 9a7c8834e..f4b6a2b99 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -797,10 +797,15 @@ bool GLCanvas3D::WarningTexture::_generate(const std::string& msg_utf8, const GL
     wxString msg = GUI::from_u8(msg_utf8);
 
     wxMemoryDC memDC;
+
+#ifdef __WXMSW__
+    // set scaled application normal font as default font 
+    wxFont font = wxGetApp().normal_font();
+#else
     // select default font
     const float scale = canvas.get_canvas_size().get_scale_factor();
-//     wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT).Scale(scale);
-    wxFont font = wxGetApp().normal_font();//! #ys_FIXME_experiment
+    wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT).Scale(scale);
+#endif
 
     font.MakeLarger();
     font.MakeBold();
@@ -902,7 +907,7 @@ void GLCanvas3D::WarningTexture::render(const GLCanvas3D& canvas) const
     }
 }
 
-void GLCanvas3D::WarningTexture::rescale(const GLCanvas3D& canvas)
+void GLCanvas3D::WarningTexture::msw_rescale(const GLCanvas3D& canvas)
 {
     if (m_msg_text.empty())
         return;
@@ -979,14 +984,16 @@ bool GLCanvas3D::LegendTexture::generate(const GCodePreviewData& preview_data, c
     const int scaled_square_contour = Px_Square_Contour * scale;
     const int scaled_border = Px_Border * scale;
 
-    // select default font
-//     wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT).Scale(scale_gl);
-    wxFont font = wxGetApp().normal_font();//! #ys_FIXME_experiment
 #ifdef __WXMSW__
+    // set scaled application normal font as default font 
+    wxFont font = wxGetApp().normal_font();
+
     // Disabling ClearType works, but the font returned is very different (much thicker) from the default.
 //    msw_disable_cleartype(font);
     bool cleartype = is_font_cleartype(font);
 #else
+    // select default font
+    wxFont font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT).Scale(scale_gl);
     bool cleartype = false;
 #endif /* __WXMSW__ */
 
@@ -3293,7 +3300,7 @@ void GLCanvas3D::set_cursor(ECursorType type)
 
 void GLCanvas3D::msw_rescale()
 {
-    m_warning_texture.rescale(*this);
+    m_warning_texture.msw_rescale(*this);
 }
 
 bool GLCanvas3D::_is_shown_on_screen() const
diff --git a/src/slic3r/GUI/GLCanvas3D.hpp b/src/slic3r/GUI/GLCanvas3D.hpp
index 57083cfa0..4d2c0c2b2 100644
--- a/src/slic3r/GUI/GLCanvas3D.hpp
+++ b/src/slic3r/GUI/GLCanvas3D.hpp
@@ -353,7 +353,7 @@ class GLCanvas3D
         void render(const GLCanvas3D& canvas) const;
 
         // function used to get an information for rescaling of the warning
-        void rescale(const GLCanvas3D& canvas);
+        void msw_rescale(const GLCanvas3D& canvas);
 
     private:
         static const unsigned char Background_Color[3];
diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index 5a63bedaa..571b57235 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -276,12 +276,26 @@ void MainFrame::on_dpi_changed(const wxRect &suggested_rect)
     for (auto tab : wxGetApp().tabs_list)
         tab->msw_rescale();
 
+    // Workarounds for correct Window rendering after rescale
+
+    /* Even if Window is maximized during moving, 
+     * first of all we should imitate Window resizing. So:
+     * 1. cancel maximization, if it was set
+     * 2. imitate resizing
+     * 3. set maximization, if it was set
+     */
+    const bool is_maximized = this->IsMaximized();
+    if (is_maximized)
+        this->Maximize(false);
+
     /* To correct window rendering (especially redraw of a status bar)
      * we should imitate window resizing.
      */
     const wxSize& sz = this->GetSize();
     this->SetSize(sz.x + 1, sz.y + 1);
     this->SetSize(sz);
+
+    this->Maximize(is_maximized);
 }
 
 void MainFrame::init_menubar()