diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index 44feec63a..16147407d 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -241,7 +241,10 @@ DPIFrame(NULL, wxID_ANY, "", wxDefaultPosition, wxDefaultSize, BORDERLESS_FRAME_
                 m_reset_title_text_colour_timer->Stop();
                 m_reset_title_text_colour_timer->Start(500);
             }
-		}
+            m_mac_fullscreen = false;
+        } else {
+            m_mac_fullscreen = true;
+        }
         auto int_event = new IntEvent(EVT_NOTICE_FULL_SCREEN_CHANGED, e.IsFullScreen() ? 1 : 0);
         wxQueueEvent(wxGetApp().plater(), int_event);
 		e.Skip();
diff --git a/src/slic3r/GUI/MainFrame.hpp b/src/slic3r/GUI/MainFrame.hpp
index ab4b96fd0..a8852e46c 100644
--- a/src/slic3r/GUI/MainFrame.hpp
+++ b/src/slic3r/GUI/MainFrame.hpp
@@ -91,7 +91,10 @@ protected:
 
 class MainFrame : public DPIFrame
 {
-    bool        m_loaded {false};
+#ifdef __APPLE__
+    bool     m_mac_fullscreen{false};
+#endif
+    bool     m_loaded {false};
     wxTimer* m_reset_title_text_colour_timer{ nullptr };
 
     wxString    m_qs_last_input_file = wxEmptyString;
@@ -204,7 +207,9 @@ protected:
 public:
     MainFrame();
     ~MainFrame() = default;
-
+#ifdef __APPLE__
+    bool get_mac_full_screen() { return m_mac_fullscreen; }
+#endif
     //BBS GUI refactor
     enum TabPosition
     {
diff --git a/src/slic3r/GUI/ReleaseNote.cpp b/src/slic3r/GUI/ReleaseNote.cpp
index adb21f035..63a39012e 100644
--- a/src/slic3r/GUI/ReleaseNote.cpp
+++ b/src/slic3r/GUI/ReleaseNote.cpp
@@ -746,6 +746,11 @@ void SecondaryCheckDialog::update_text(wxString text)
 
 void SecondaryCheckDialog::on_show()
 {
+#ifdef __APPLE__
+    if (wxGetApp().mainframe && wxGetApp().mainframe->get_mac_full_screen()) {
+        SetWindowStyleFlag(GetWindowStyleFlag() | wxSTAY_ON_TOP);
+    }
+#endif
     wxGetApp().UpdateFrameDarkUI(this);
     // recover button color
     wxMouseEvent evt_ok(wxEVT_LEFT_UP);
@@ -754,7 +759,7 @@ void SecondaryCheckDialog::on_show()
     m_button_cancel->GetEventHandler()->ProcessEvent(evt_cancel);
 
     this->Show();
-    //this->Raise();
+    this->Raise();
 }
 
 void SecondaryCheckDialog::on_hide()