diff --git a/customtkinter/windows/widgets/ctk_floating_frame.py b/customtkinter/windows/widgets/ctk_floating_frame.py
index 9e996c8..42ba27e 100644
--- a/customtkinter/windows/widgets/ctk_floating_frame.py
+++ b/customtkinter/windows/widgets/ctk_floating_frame.py
@@ -53,16 +53,23 @@ def __init__(self,
         self._toplevel.attributes("-topmost", True)
         self._toplevel.attributes("-alpha", 1.0 - self._theme_ff_info["transparency"])
         self._toplevel.resizable(width=True, height=True)
-        self._toplevel.overrideredirect(True)
 
         if sys.platform.startswith("win"):
+            self._toplevel.overrideredirect(True)
             self._toplevel.attributes("-transparentcolor", self._apply_appearance_mode(self.transparent_color))
             self._toplevel.attributes("-toolwindow", True) # removes icon from taskbar
         elif sys.platform.startswith("darwin"):
-            self.transparent_color = "systemTransparent"
-            self._toplevel.attributes("-transparent", True)
+            if tkinter.TkVersion >= 9.0: #necessary to achieve transparent edges due to changes in Tk 9.x on MacOS
+                self._toplevel.wm_attributes(stylemask=('fullsizecontent','titled'))
+                self._toplevel.title("")
+                self._theme_ff_info["corner_radius"] = 0
+            else:
+                self._toplevel.overrideredirect(True)
+                self.transparent_color = "systemTransparent"
+                self._toplevel.attributes("-transparent", True)
         else:
             #Linux doesn't support transparency, so we force the frame to cover all available space
+            self._toplevel.overrideredirect(True)
             self._theme_ff_info["corner_radius"] = 0
 
         # frame
@@ -126,6 +133,8 @@ def open(self, x_root: int, y_root: int, anchor: AnchorType = "nw") -> None:
         self._toplevel.geometry(f"{width}x{height}+{x_root - x_delta}+{y_root - y_delta}",
                                 apply_scaling=False)
         self._toplevel.deiconify()
+        if tkinter.TkVersion >= 9.0 and sys.platform.startswith("darwin"): #necessary to achieve transparent edges due to changes in Tk 9.x on MacOS
+            self._toplevel.wm_attributes(stylemask=('fullsizecontent','titled'))
 
     def close(self) -> None:
         """ Hides the widget. """