Make sure to update your PayPal settings before these new changes come into effect. (Seems to only affect accounts in the US.)
"We are updating our Privacy Statement to explain how, starting early Summer 2025, we will share [personal information with merchants, including] products, preferences, sizes, and styles we think you’ll like."
Settings ➜ Data & Privacy ➜ Personalized Shopping
https://www.paypal.com/us/legalhub/paypal/archive-policies-full
@stefan Very helpful. thanks!