It looks like the PayPal IPN is not passing the `item_number` field back any more with `web_accept` transactions. On my server I pass a string to `item_number` to identify the IPN that comes back from PayPal, but since last night this string is coming back empty in the IPN. The `item_name` field appears to be unaffected for now. None of the code I have written has changed and PayPal clearly receives the `item_number` value I pass as it displays it to me before payment. This looks to be similar to the issues reported at https://www.paypal-community.com/t5/About-Business/IPN-is-not-passing-item-name-item-number/td-p/1262444 and https://www.paypal-community.com/t5/PayPal-Reporting/Missing-IPN-parameters-item-number-item-name-and-custom/td-p/1802818 . For now, the `custom` field is being passed back correctly, so I've switched to using that. Is anyone else seeing this issue?
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