Hi Pascal,
Per my review, the feature doesn't seem to be available for Public Cloud. You may check with your SAP Account team for the latest unless someone in the audience has additional perspective.
If not done already, you may review product road...
Please check if SAC BPEs (best practice solution packages) have anything for your use case. If none, check if CDS view ‘I_EngmntProjUnbilldRevnCube’ can be used
You may also look at APIs (but not limited to): ‘API_EVENT_BASED_REVREC_PROJECT_SRV’...
Very good blog. In addition to explaining the feature, it attempts to connect the SAP S4HC features to IFRS15 'five-step model framework' (For ex., SO (Sales Order) as 'contract'; SO item as performance obligation etc.)An quick update: Since CE2102, ...