In the SAP Commerce cache, invalidation works on a product type by invalidating cached Product items updated during the import in all connected SAP Commerce cluster nodes and by invalidating all cached FlexibleSearch results where Product type is included. This ensures that the cache only holds valid data and that the queries return consistent results. The invalidation is not limited to the node where the import is running, nor does it affect all cached FlexibleSearch results from the query results region. Reference: 1

The benefits of SAP BTP Extensions integration are an analysis layer to capture customer interactions, contexts, and behaviors for future processing and microservices that customize the standard functions of SAP Commerce Cloud without compromising on upgradability. The analysis layer is provided by SAP Commerce Cloud, context-driven services, which is part of SAP BTP Extensions integration. The microservices are provided by SAP Commerce Cloud Extension Pack, which is also part of SAP BTP Extensions integration. SAP BTP Extensions integration does not provide a customization layer for SAP Commerce Cloud that depends on the API Registry module, nor does it provide an alternative and independent application to SAP Commerce Cloud based on the backoffice. 

The automatic reset in the Backoffice Framework configuration resets the user settings to their default values after the user logs out and logs in again. The reset is not triggered by compilation or server startup