Add "Known issue" in "Develop an extension for the Microsoft Edge sidebar"

microsoft-edge/extensions-chromium/developer-guide/sidebar.md

@@ -6,16 +6,14 @@ ms.author: msedgedevrel
 ms.topic: conceptual
 ms.service: microsoft-edge
 ms.subservice: extensions
-ms.date: 10/09/2023
+ms.date: 12/11/2024
 ---
 # Develop an extension for the Microsoft Edge sidebar
 
 As a Microsoft Edge extension developer, you can make your new or existing Microsoft Edge extension appear in the sidebar.  Any extension can use the sidebar in addition to its other UI.
 
 ![The sidebar for a Microsoft Edge extension](./sidebar-images/sidebar-screenshot.png)
 
-Note: The sidebar extensions feature is being rolled out to a growing user base for all channels of Microsoft Edge.<!-- todo: after rollout is complete, delete sentence -->
-
 By using the Sidebar API for extensions, you can enhance the browsing experience by enabling users to view additional information alongside the main content of a webpage.
 
 The _sidebar_ is a persistent pane located on the side of the browser, which coexists with the primary content of the browser.  The sidebar reduces the need to constantly switch between tabs, resulting in a more productive browsing experience.
@@ -38,7 +36,7 @@ Extensions can optionally use the sidebar API to show a custom UI in the Microso
 
 Features of the Sidebar API include:
 
-* The sidebar remains open while navigating between tabs.
+* The sidebar remains open while navigating between tabs.  Known issue: The sidebar is not automatically displayed again when the user switches to a tab in which the sidebar was previously open ([Issue #142](https://github.com/microsoft/MicrosoftEdge-Extensions/issues/142)).<!-- todo: update -->
 
 * An extension in the sidebar can be made available for specific websites.
 
@@ -153,6 +151,8 @@ chrome.tabs.onUpdated.addListener(async (tabId, info, tab) => {
 
 When a user switches to a tab or site for which the sidebar is not enabled, the sidebar is hidden.
 
+Known issue: The sidebar is not automatically displayed again when the user switches to a tab in which the sidebar was previously open ([Issue #142](https://github.com/microsoft/MicrosoftEdge-Extensions/issues/142)).<!-- todo: update -->
+
 For a complete example, see [Site-specific side panel example](https://github.com/GoogleChrome/chrome-extensions-samples/tree/main/functional-samples/cookbook.sidepanel-site-specific).
 
 
@@ -323,7 +323,7 @@ See [Types](https://developer.chrome.com/docs/extensions/reference/sidePanel/#ty
 <!-- ====================================================================== -->
 > [!NOTE]
 > Portions of this page are modifications based on work created and [shared by Google](https://developers.google.com/terms/site-policies) and used according to terms described in the [Creative Commons Attribution 4.0 International License](https://creativecommons.org/licenses/by/4.0).
-> The original page is found [here](https://developer.chrome.com/docs/extensions/reference/sidePanel/).
+> The original page is found [here](https://developer.chrome.com/docs/extensions/reference/api/sidePanel).
 
 [![Creative Commons License](../../media/cc-logo/88x31.png)](https://creativecommons.org/licenses/by/4.0)
 This work is licensed under a [Creative Commons Attribution 4.0 International License](https://creativecommons.org/licenses/by/4.0).