In CE2108 there was a small enhancement across SAP Fiori Apps to improve the performance when user navigates back.
SAP S/4HANA Cloud
For example, in Manage Customer/Supplier Line Items Apps this new feature means that the app is instantly back with the exact state where the user started the navigation. For display use cases this helps a lot to work with the system in a faster way.
Manage Customer Line Items, Manage Supplier Line Items, display line items, navigation, back function, F0712, F 0712, F0711, F 0711 , KBA , FI-FIO-AP , Fiori UI for Accounts Payable , How To