Râu Cao ⚡ on Nostr: The edit window is always just a thing that clients do, see e.g. ...

The edit window is always just a thing that clients do, see e.g. https://xmpp.org/extensions/xep-0308.html

The whole point is that it's not guaranteed to show the edit everywhere, and that clients can choose what they think is the most reasonable course of action.