This feature speeds up the purchase history cleanup process. Improving the performance of this process helps save time for the accounts payable clerks and managers. To run the process, select Procurement and Sourcing > Periodic tasks > Clean up > Purchase update history cleanup. Please note that the code changes that improve performance of your purchase history removal might impact customizations you’ve made. If you do have any customizations, we recommend that you review the code in the PurchParmCleanupInvoicePreprocessing class to determine whether or not your customization might be impacted.