If you are signed into multiple devices, Chrome Sync might be overwriting your local shortcuts with data from your phone or work computer.
These tiles update automatically based on your browsing history.
Check the menu mentioned above to ensure the shortcuts haven't been disabled by a recent update. 🎨 Beyond the Default: Top New Tab Extensions
This is where the "Remove Shortcut" feature becomes an act of emotional hygiene. Hovering over that corner of the thumbnail and clicking the 'X' is a small, satisfying rebellion. It is an assertion of control over the algorithm. It says, “I am not the person who visited this site ten times a day anymore.”