Windows 11 clipboard history: NVDA no longer announces history items when closing clipboard history interface

source/appModules/windowsinternal_composableshell_experiences_textinput_inputapp.py

@@ -430,3 +430,14 @@ def chooseNVDAObjectOverlayClasses(self, obj, clsList):
 			elif obj.UIAAutomationId == "Windows.Shell.InputApp.FloatingSuggestionUI.DelegationTextBox":
 				clsList.remove(EditableTextWithAutoSelectDetection)
 				clsList.remove(XamlEditableText)
+
+	def event_NVDAObject_init(self, obj: NVDAObject) -> None:
+		# #17308: recent Windows 11 builds raise live region change event when clipboard history closes,
+		# causing NVDA to report data item text such as clipboard history entries.
+		# Therefore, tell NVDA to veto this event at the object level, otherwise focus change handling breaks
+		# due to live region change event being queued.
+		if obj.role == controlTypes.Role.DATAITEM and obj.parent.role in (
+			controlTypes.Role.TABLEROW,  # Clipboard history item
+			controlTypes.Role.LIST,  # Clipboard history item actions list
+		):
+			obj._shouldAllowUIALiveRegionChangeEvent = False

user_docs/en/changes.md

@@ -60,6 +60,7 @@ To use this feature, "allow NVDA to control the volume of other applications" mu
   * After reporting a normalized character, NVDA no longer incorrectly reports subsequent characters as normalized. (#17286, @LeonarddeR)
   * Composite characters (such as é) are now reported correctly. (#17295, @LeonarddeR)
 * In Word or Outlook, when using legacy object model, the command to report the destination URL of a link does not report any longer "Not a link" when there is one to report. (#17292, @CyrilleB79)
+* NVDA will no longer announce Windows 11 clipboard history entries when closing the window while items are present. (#17308, @josephsl)
 * If the plugins are reloaded while a browseable message is opened, NVDA will no longer fail to report subsequent focus moves. (#17323, @CyrilleB79)
 
 ### Changes for Developers