🤖 Pin and close chats now work in the iPhone and iPad app, matching the web: swipe a chat in your list to close it, or use the new ⋯ menu inside a chat to pin it to the top or close it. Closed chats aren't gone — search for one by name to bring it back. Each chat also gets a tidier header now, with the person's (or group's) avatar and name centered up top.