SAPUI5 is the most up-to-date from the number of SAP UI growth systems. In order to present Net integration for the fundamental SAP ERP method, SAP came up with many UI progress systems like BSP (Company server webpages), PDK (Portal growth kit), Net Dynpro Java, Web Dynpro ABAP. And the successor of Web Dynpro ABAP is SAPUI5.Understand check here