A backend engineer needs to evaluate a series of enhancements intended for an online payment gateway without exposing live users to potential disruptions. The existing setup is managed through an AWS service that provides capabilities to create, publish, maintain, and secure at-scale serverless workflows. How should the engineer proceed to validate these enhancements reliably?
Initialize a new instance of the management service solely for the purpose of evaluating the new enhancements.
Adjust the production environment's settings to accommodate the new functionalities for trial runs.
Create a separate stage dedicated to the testing of the latest integrations and configurations.
Immediately implement the enhancements in the current live settings to collect user feedback.