Power BI web version is not refereshing data in reports/Dashboards, i made changes in source (one drive excel and local excel file)
I have tried same approch with desktop version it is woking fine and immidiately show the changes once refresh.
Have you installed the personal gateway and if so what error are you seeing?
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This is also under review https://support.powerbi.com/forums/265200-power-bi/suggestions/7271820-connect-to-excel-workbooks-on...
So probally will get update on this soon !