• Exception "Cannot find the certificate and private key for decryption" is thrown when generating Encrypted Website Payments from Localhost.
• PayPal_Returned event does not fire if the payment is made by Credit Cards.
• The property BuyerInfo.State is limited to 2 characters, but paypal supports a state value greater than 2 chars, so this restriction needs to be removed.
• The Zip code for prepopulating Buyer Info of Payment buttons is Int type, but it should be string type.
• Buyer's email address is missing in the Buyer Info property.

1. Simply replace the old DLL with the new one in the Bin folder. 2. Build the application and Visual Studio will notify you errors for referencing old properties/types; update your property references according to the new documentation or Visual Studio Intellisense Suggestions.