diff --git a/PySimpleGUI.py b/PySimpleGUI.py
index 0a21f53b..53243112 100644
--- a/PySimpleGUI.py
+++ b/PySimpleGUI.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 
-version = __version__ = "4.60.3.100 Unreleased"
+version = __version__ = "4.60.3.101 Unreleased"
 
 _change_log = """
     Changelog since 4.60.0 released to PyPI on 8-May-2022
@@ -258,6 +258,8 @@ _change_log = """
     4.60.3.100
         Set the "Active" foreground and background colors for Menu and ButtonMenu items.  Automatically uses the swapped foreground and background colors.
             This impacts both inside the menus themseleves as well as the ButtonMenus so that when they are used in a MenubarCustom they mouseover nicely now.
+    4.60.3.101
+        Added Window.is_hidden method.  Returns True if the window is currently hidden
     """
 
 __version__ = version.split()[0]  # For PEP 396 and PEP 345
@@ -11417,6 +11419,14 @@ class Window:
             self.TKroot.deiconify()
             self._Hidden = False
 
+    def is_hidden(self):
+        """
+            Returns True if the window is currently hidden
+        :return:    Returns True if the window is currently hidden
+        :rtype:     bool
+        """
+        return self._Hidden
+
     def disappear(self):
         """
         Causes a window to "disappear" from the screen, but remain on the taskbar. It does this by turning the alpha
@@ -25893,4 +25903,4 @@ if __name__ == '__main__':
         exit(0)
     main()
     exit(0)
-#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
\ No newline at end of file
+#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
\ No newline at end of file
diff --git a/docs/call reference.md b/docs/call reference.md
index 52166b2e..bff1933f 100644
--- a/docs/call reference.md	
+++ b/docs/call reference.md	
@@ -25,9 +25,9 @@
                     <span style="font-weight: normal;">
                         apply coupon for discount: 
                     </span>
-                    4FD91A459D56B1029FF8
+                    D5570C66DBD8E42C7963
                 </div>
-                <button style="margin: 0 auto; display: block; width: 200px; height: 70px; border-radius: 14px; border: none; padding: 10px; font-size: 18px; background-color: #357296; color: white; cursor: pointer;" onclick="window.open('https://www.udemy.com/course/pysimplegui/?couponCode=4FD91A459D56B1029FF8','_blank');">
+                <button style="margin: 0 auto; display: block; width: 200px; height: 70px; border-radius: 14px; border: none; padding: 10px; font-size: 18px; background-color: #357296; color: white; cursor: pointer;" onclick="window.open('https://www.udemy.com/course/pysimplegui/?couponCode=D5570C66DBD8E42C7963','_blank');">
                     click here to visit course page
                 </button>
             </div>
diff --git a/readme_creator/markdown input files/5_call_reference.md b/readme_creator/markdown input files/5_call_reference.md
index 974be846..ae7149f2 100644
--- a/readme_creator/markdown input files/5_call_reference.md	
+++ b/readme_creator/markdown input files/5_call_reference.md	
@@ -25,9 +25,9 @@
                     <span style="font-weight: normal;">
                         apply coupon for discount: 
                     </span>
-                    4FD91A459D56B1029FF8
+                    D5570C66DBD8E42C7963
                 </div>
-                <button style="margin: 0 auto; display: block; width: 200px; height: 70px; border-radius: 14px; border: none; padding: 10px; font-size: 18px; background-color: #357296; color: white; cursor: pointer;" onclick="window.open('https://www.udemy.com/course/pysimplegui/?couponCode=4FD91A459D56B1029FF8','_blank');">
+                <button style="margin: 0 auto; display: block; width: 200px; height: 70px; border-radius: 14px; border: none; padding: 10px; font-size: 18px; background-color: #357296; color: white; cursor: pointer;" onclick="window.open('https://www.udemy.com/course/pysimplegui/?couponCode=D5570C66DBD8E42C7963','_blank');">
                     click here to visit course page
                 </button>
             </div>
diff --git a/readme_creator/output/call reference.md b/readme_creator/output/call reference.md
index 52166b2e..bff1933f 100644
--- a/readme_creator/output/call reference.md	
+++ b/readme_creator/output/call reference.md	
@@ -25,9 +25,9 @@
                     <span style="font-weight: normal;">
                         apply coupon for discount: 
                     </span>
-                    4FD91A459D56B1029FF8
+                    D5570C66DBD8E42C7963
                 </div>
-                <button style="margin: 0 auto; display: block; width: 200px; height: 70px; border-radius: 14px; border: none; padding: 10px; font-size: 18px; background-color: #357296; color: white; cursor: pointer;" onclick="window.open('https://www.udemy.com/course/pysimplegui/?couponCode=4FD91A459D56B1029FF8','_blank');">
+                <button style="margin: 0 auto; display: block; width: 200px; height: 70px; border-radius: 14px; border: none; padding: 10px; font-size: 18px; background-color: #357296; color: white; cursor: pointer;" onclick="window.open('https://www.udemy.com/course/pysimplegui/?couponCode=D5570C66DBD8E42C7963','_blank');">
                     click here to visit course page
                 </button>
             </div>