Hard on the heels of my previous Diary (How to report spam) I’ve discovered spam within a changeset (map edit) for the first time:–

Changeset#6050808957

 addr:city	Hà Nội
 addr:district	Thanh Xuân
 addr:housenumber	25
 description	Video Bài Hát Việt Nam
 email	<redacted>@gmail.com
 name	Ngoc Anh
 phone	<redacted>
 start_date	10/11/2018
 website	https://www.youtube.com/watch?v=<redacted>

Splendid.