The 5.0.1 Tumbleweed package was released today. The splash screen shows 5.0.0 and the about dialog shows 5.0.1 as well. I reported this SuSE, and the indicated the problem was upstream.
Argh: https://cgit.kde.org/kmymoney.git/tree/CMakeLists.txt?h=5.0&id=a42a84b18f60fd0fc18d7ec5ac186cd6e5a81928#n5