During the implementation of a new feature in SFCC, which environment should you primarily focus on for testing before deployment?

The focus for testing before deployment in Salesforce Commerce Cloud primarily centers around the Sandbox environment. This environment is specifically designed for testing and development purposes, allowing developers to implement features and make changes without affecting the live production environment.

In the Sandbox environment, developers can safely run tests, conduct user acceptance testing, and fix any bugs that may arise, all in a controlled setting that mimics the production environment. This helps to ensure that when changes are promoted to staging and eventually to production, they are stable and functional.

While development environments are used for initial coding and experimentation, they may not have the same setup or data as production, making them less reliable for comprehensive testing. Staging environments are typically a close replica of production but primarily serve for final testing before a release; however, the Sandbox is the best choice for early and iterative testing phases. Production environments, by their nature, should be left untouched during the testing of new features since any mistakes can lead to user impact and business disruption.