What are the key features of UPI 2.0 launched on August 16?

The National Payments Corporation of India on Thursday launched an upgraded version of the Unified Payments Interface (UPI), UPI 2.0. Customers can now link overdraft account to UPI in addition to current and savings account, and the transaction limit has been doubled to ₹2 lakh. UPI 2.0 also allows customers to check invoice before making a payment to the merchant.