This message constitutes notice of a Last Call for comments on XEP-0490. Title: Message Displayed Synchronization Abstract: This specification allows multiple clients of the same user to synchronize the displayed state of their chats. URL: https://xmpp.org/extensions/xep-0490.html This Last Call begins today and shall end at the close of business on 2024-10-31. Please consider the following questions during this Last Call and send your feedback to the standards(a)xmpp.org discussion list: 1. Is this specification needed to fill gaps in the XMPP protocol stack or to clarify an existing protocol? 2. Does the specification solve the problem stated in the introduction and requirements? 3. Do you plan to implement this specification in your code? If not, why not? 4. Do you have any security concerns related to this specification? 5. Is the specification accurate and clearly written? Your feedback is appreciated!