Merge pull request #5469 from OfficeDev/lindalu-update-known-issues

Revise known issues and update last modified date

Author: lindalu-MSFT

docs/resources/resources-office-add-in-known-issues.md

@@ -1,17 +1,33 @@
 ---
 title: Office Add-ins known issues
 description: This article documents active and resolved issues with Office Add-ins.
-ms.date: 10/01/2025
+ms.date: 11/07/2025
 ms.localizationpriority: medium
 ---
 
 # Office Add-ins known issues
 
-_Last updated October 1st, 2025_
+_Last updated November 7, 2025_
 
 This article provides information about current known issues with Office Add-ins. For more information about common error messages you might encounter, see [Troubleshoot user errors with Office Add-ins](/office/dev/add-ins/testing/testing-and-troubleshooting) or contact the add-in developer on the **Details + support** tab on the add-in's detail page in [Microsoft Marketplace](https://marketplace.microsoft.com).
 
-## Active issues in Office Add-ins
+## Active issues in Office add-ins
+
+### Outlook: Users may experience delays of up to ten seconds loading signature add-in images in Exchange Online
+
+#### STATUS
+
+We've determined that a recent update to an authentication component of attachment logging introduced a regression which is resulting in impact. We're reverting this update to resolve the issue.
+
+Tracking ID: 706911563
+
+#### IMPACT
+
+Some users may experience delays of up to ten seconds loading images in Exchange Online. This section will be updated as our investigation continues.
+
+#### START TIME
+
+Monday, November 3, 2025, at 4:31 PM UTC
 
 ### Outlook: Delays loading inline images in email signatures in the new Outlook for Windows and Outlook for the web