Does Paypal Upgrading To Sha-256 Affect Cs-Cart Mv

I received email paypal that my website will be affect and need techinical configure after paypal upgrading.

Wanna know is this affect Multivendor? if yes, please help explain how to set the paypal add-on to support new paypal upgrading?

Thank you

this has been discussed here

http://forum.cs-cart.com/topic/41854-paypal-ipn-chages/?hl=paypal&fromsearch=1