In this post I try to summarize all versions of S4/HANA that are (or were) available per editions.
Last update: 06.02.2017
SAP S/4HANA On-Premises edition:
SAP S/4HANA Finance 1503 Mar 15, 2015 N/A
SAP S/4HANA Cloud edition:
FP = Feature Package Stack
Rel. Note = points to SAP Note; a type of Release Information Note (RIN)