BACKLIGHT_PWM,
 )
 
-__version__ = "0.0.0-auto.0"
+__version__ = "0.0.0+auto.0"
 __repo__ = "https://github.com/adafruit/Adafruit_Blinka_displayio.git"
 
 displays = []
             )  # pylint: disable=protected-access
             # save image to buffer (or probably refresh buffer so we can compare)
             self._buffer.paste(buffer)
+        else:
+            # show nothing
+            print("show nothing")
+            buffer = Image.new("RGBA", (self._core._width, self._core._height))
+            self._buffer.paste(buffer)
 
         self._subrectangles = self._core.get_refresh_areas()
 
     def bus(self) -> _DisplayBus:
         """Current Display Bus"""
         return self._core.get_bus()
+
+    @property
+    def root_group(self) -> Group:
+        return self._current_group
+
+    @root_group.setter
+    def root_group(self, new_group):
+        self._current_group = new_group
\ No newline at end of file