I recently requested a lot of books, defaulting them to my wish list (thanks Brandon!) and all were 江戸川乱歩賞 winners. They were added on Feb 1. Just now (Feb 2) I went through my wish list and added then to my custom list so they’re easy for me to find later.
When I returned to the home page, I saw I had flooded the feed with ‘new’ events of adding things to my wish list (despite them already being wish listed):