diff --git a/docs/call reference.md b/docs/call reference.md
index cc0bd9ef..08ca758c 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>
-                    62A4C02AB0A3DAB34388.
+                    2F6C6BE01B8940D3E457.
                 </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=62A4C02AB0A3DAB34388','_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=2F6C6BE01B8940D3E457','_blank');">
                     click here to visit course page
                 </button>
             </div>
@@ -16903,7 +16903,8 @@ popup_animated(image_source,
     time_between_frames = 0,
     transparent_color = None,
     title = "",
-    icon = None)
+    icon = None,
+    no_buffering = False)
 ```
 
 Parameter Descriptions:
@@ -16925,6 +16926,7 @@ Parameter Descriptions:
 |        str         |  transparent_color  | This color will be completely see-through in your window. Can even click through |
 |        str         |        title        | Title that will be shown on the window |
 |    str or bytes    |        icon         | Same as Window icon parameter. Can be either a filename or Base64 byte string. For Windows if filename, it MUST be ICO format. For Linux, must NOT be ICO |
+|        bool        |    no_buffering     | If True then no buffering will be used for the GIF. May work better if you have a large animation |
 | bool | **RETURN** | True if the window updated OK. False if the window was closed
 
 Popup that closes itself after some time period
@@ -17987,7 +17989,8 @@ PopupAnimated(image_source,
     time_between_frames = 0,
     transparent_color = None,
     title = "",
-    icon = None)
+    icon = None,
+    no_buffering = False)
 ```
 
 Parameter Descriptions:
@@ -18009,6 +18012,7 @@ Parameter Descriptions:
 |        str         |  transparent_color  | This color will be completely see-through in your window. Can even click through |
 |        str         |        title        | Title that will be shown on the window |
 |    str or bytes    |        icon         | Same as Window icon parameter. Can be either a filename or Base64 byte string. For Windows if filename, it MUST be ICO format. For Linux, must NOT be ICO |
+|        bool        |    no_buffering     | If True then no buffering will be used for the GIF. May work better if you have a large animation |
 | bool | **RETURN** | True if the window updated OK. False if the window was closed
 
 Display a Popup without a titlebar.   Enables grab anywhere so you can move it
diff --git a/docs/cookbook.md b/docs/cookbook.md
index 4281f426..3637ddd3 100644
--- a/docs/cookbook.md
+++ b/docs/cookbook.md
@@ -25,9 +25,9 @@
                     <span style="font-weight: normal;">
                         apply coupon for discount: 
                     </span>
-                    62A4C02AB0A3DAB34388
+                    2F6C6BE01B8940D3E457
                 </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=62A4C02AB0A3DAB34388','_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=2F6C6BE01B8940D3E457','_blank');">
                     click here to visit course page
                 </button>
             </div>
diff --git a/docs/index.md b/docs/index.md
index a7ddf342..6c855457 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -25,9 +25,9 @@
                     <span style="font-weight: normal;">
                         apply coupon for discount: 
                     </span>
-                    62A4C02AB0A3DAB34388
+                    2F6C6BE01B8940D3E457
                 </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=62A4C02AB0A3DAB34388','_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=2F6C6BE01B8940D3E457','_blank');">
                     click here to visit course page
                 </button>
             </div>
@@ -2028,7 +2028,8 @@ popup_animated(image_source,
     time_between_frames = 0,
     transparent_color = None,
     title = "",
-    icon = None)
+    icon = None,
+    no_buffering = False)
 ```
 
 Parameter Descriptions:
@@ -2050,6 +2051,7 @@ Parameter Descriptions:
 |        str         |  transparent_color  | This color will be completely see-through in your window. Can even click through |
 |        str         |        title        | Title that will be shown on the window |
 |    str or bytes    |        icon         | Same as Window icon parameter. Can be either a filename or Base64 byte string. For Windows if filename, it MUST be ICO format. For Linux, must NOT be ICO |
+|        bool        |    no_buffering     | If True then no buffering will be used for the GIF. May work better if you have a large animation |
 | bool | **RETURN** | True if the window updated OK. False if the window was closed
 
 ***To close animated popups***, call PopupAnimated with `image_source=None`.  This will close all of the currently open PopupAnimated windows.
diff --git a/docs/readme.md b/docs/readme.md
index 7233b9b7..e73b6075 100644
--- a/docs/readme.md
+++ b/docs/readme.md
@@ -9,8 +9,8 @@
       <img src="https://www.dropbox.com/s/6wzf3ebmj97v4zs/PySimpleGUI-GitHub-Udemy-Course.png?raw=1" width=200 alt="PySimpleGUI Udemy Course">
     </td>
     <td>
-      <h5>apply coupon for discount:<br>62A4C02AB0A3DAB34388</h6>
-      <a href="https://www.udemy.com/course/pysimplegui/?couponCode=62A4C02AB0A3DAB34388">click here to visit course page</a>
+      <h5>apply coupon for discount:<br>2F6C6BE01B8940D3E457</h6>
+      <a href="https://www.udemy.com/course/pysimplegui/?couponCode=2F6C6BE01B8940D3E457">click here to visit course page</a>
     </td>
   </tr>
 </table>
diff --git a/readme.md b/readme.md
index 03488cae..e73b6075 100644
--- a/readme.md
+++ b/readme.md
@@ -9,8 +9,8 @@
       <img src="https://www.dropbox.com/s/6wzf3ebmj97v4zs/PySimpleGUI-GitHub-Udemy-Course.png?raw=1" width=200 alt="PySimpleGUI Udemy Course">
     </td>
     <td>
-      <h5>apply coupon for discount:<br>F988F082A3D18483B1C5</h6>
-      <a href="https://www.udemy.com/course/pysimplegui/?couponCode=F988F082A3D18483B1C5">click here to visit course page</a>
+      <h5>apply coupon for discount:<br>2F6C6BE01B8940D3E457</h6>
+      <a href="https://www.udemy.com/course/pysimplegui/?couponCode=2F6C6BE01B8940D3E457">click here to visit course page</a>
     </td>
   </tr>
 </table>
diff --git a/readme_creator/markdown input files/1_HEADER_top_part.md b/readme_creator/markdown input files/1_HEADER_top_part.md
index 926f75f5..ca75d9e5 100644
--- a/readme_creator/markdown input files/1_HEADER_top_part.md	
+++ b/readme_creator/markdown input files/1_HEADER_top_part.md	
@@ -52,9 +52,9 @@ HOW DO I INSERT IMAGES ???
                     <span style="font-weight: normal;">
                         apply coupon for discount: 
                     </span>
-                    62A4C02AB0A3DAB34388
+                    2F6C6BE01B8940D3E457
                 </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=62A4C02AB0A3DAB34388','_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=2F6C6BE01B8940D3E457','_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 07fdb13a..7b223866 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>
-                    62A4C02AB0A3DAB34388.
+                    2F6C6BE01B8940D3E457.
                 </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=62A4C02AB0A3DAB34388','_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=2F6C6BE01B8940D3E457','_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 cc0bd9ef..08ca758c 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>
-                    62A4C02AB0A3DAB34388.
+                    2F6C6BE01B8940D3E457.
                 </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=62A4C02AB0A3DAB34388','_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=2F6C6BE01B8940D3E457','_blank');">
                     click here to visit course page
                 </button>
             </div>
@@ -16903,7 +16903,8 @@ popup_animated(image_source,
     time_between_frames = 0,
     transparent_color = None,
     title = "",
-    icon = None)
+    icon = None,
+    no_buffering = False)
 ```
 
 Parameter Descriptions:
@@ -16925,6 +16926,7 @@ Parameter Descriptions:
 |        str         |  transparent_color  | This color will be completely see-through in your window. Can even click through |
 |        str         |        title        | Title that will be shown on the window |
 |    str or bytes    |        icon         | Same as Window icon parameter. Can be either a filename or Base64 byte string. For Windows if filename, it MUST be ICO format. For Linux, must NOT be ICO |
+|        bool        |    no_buffering     | If True then no buffering will be used for the GIF. May work better if you have a large animation |
 | bool | **RETURN** | True if the window updated OK. False if the window was closed
 
 Popup that closes itself after some time period
@@ -17987,7 +17989,8 @@ PopupAnimated(image_source,
     time_between_frames = 0,
     transparent_color = None,
     title = "",
-    icon = None)
+    icon = None,
+    no_buffering = False)
 ```
 
 Parameter Descriptions:
@@ -18009,6 +18012,7 @@ Parameter Descriptions:
 |        str         |  transparent_color  | This color will be completely see-through in your window. Can even click through |
 |        str         |        title        | Title that will be shown on the window |
 |    str or bytes    |        icon         | Same as Window icon parameter. Can be either a filename or Base64 byte string. For Windows if filename, it MUST be ICO format. For Linux, must NOT be ICO |
+|        bool        |    no_buffering     | If True then no buffering will be used for the GIF. May work better if you have a large animation |
 | bool | **RETURN** | True if the window updated OK. False if the window was closed
 
 Display a Popup without a titlebar.   Enables grab anywhere so you can move it
diff --git a/readme_creator/output/index.md b/readme_creator/output/index.md
index a7ddf342..6c855457 100644
--- a/readme_creator/output/index.md
+++ b/readme_creator/output/index.md
@@ -25,9 +25,9 @@
                     <span style="font-weight: normal;">
                         apply coupon for discount: 
                     </span>
-                    62A4C02AB0A3DAB34388
+                    2F6C6BE01B8940D3E457
                 </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=62A4C02AB0A3DAB34388','_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=2F6C6BE01B8940D3E457','_blank');">
                     click here to visit course page
                 </button>
             </div>
@@ -2028,7 +2028,8 @@ popup_animated(image_source,
     time_between_frames = 0,
     transparent_color = None,
     title = "",
-    icon = None)
+    icon = None,
+    no_buffering = False)
 ```
 
 Parameter Descriptions:
@@ -2050,6 +2051,7 @@ Parameter Descriptions:
 |        str         |  transparent_color  | This color will be completely see-through in your window. Can even click through |
 |        str         |        title        | Title that will be shown on the window |
 |    str or bytes    |        icon         | Same as Window icon parameter. Can be either a filename or Base64 byte string. For Windows if filename, it MUST be ICO format. For Linux, must NOT be ICO |
+|        bool        |    no_buffering     | If True then no buffering will be used for the GIF. May work better if you have a large animation |
 | bool | **RETURN** | True if the window updated OK. False if the window was closed
 
 ***To close animated popups***, call PopupAnimated with `image_source=None`.  This will close all of the currently open PopupAnimated windows.