I am writing on behalf of my client who is also experiencing this problem, receiving complaints from customers as of a few days ago. I suspect the person above who tested the original posters site already had a full compliment of PayPal cookies on their machine. I believe this directly relates to the new blue accept cookies banner which appears at the foot of the PayPal shopping cart page. When adding products now from my client's site (www.travellingbee.co.uk), one of three things will happen. If they have visited before and already have PayPal cookies then they will likely be able to add multiple products just fine. If they are a new customer they will see the blue accept cookies banner. If they choose to accept, PayPal appears to forget the product just added so that if they add something else, the first product is missing from the cart. Depending on their device/browser, they will either now be able to add further products (and have to re-add the first missing one) or they will only ever be able to add a single product with the cart contents being lost each time they return to the client website. Testing with Chrome on an iPad as a brand new customer I can only ever add a single item to the cart. Using DuckDuckGo on the same iPad and only the first product is lost but subsequent products are added correctly. The latter is also true using Firefox on Windows 10. The website has been in operation for six years using the same PayPal buttons generated from the PayPal website at that time. Nothing has changed on the client's website to cause this so can only be related to the PayPal handling of cookies or the implementation of the EU cookie law/GDPR cookie banner. This is likely to be affecting other sites using the standard HTML buttons but can only really be tested by completely clearing your cookies first or using a fresh device/browser. Any advice would be appreciated.
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