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It is strongly recommended that you use the latest possible version of SAP GUI
see SAP GUI for HTML
SAP Fiori
SAP FIORI FRONT-END SERVER (FES) 6.0 is required as a minimum for the front-end components
The SAPUI5 version required in each case depends on the respective Fiori app
As ProNovia SAP Fiori apps may be based on SAP standard Fiori apps, additional or different minimum requirements may be defined for individual Fiori apps
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