I think it is not an issue. Banking apps are not supposed to work on beta firmware I suppose... Even I am facing this issue, unable to use tap and pay. But I'm using Samsung Pay as a workaround.
We acknowledge your feedback. However, we request you to please report this feedback in the Error section, along with the logs. This would help us analyze your issue in a better way.
The path to report error is as below: Open Samsung Members -> Click on beta banner -> Switch to beta mode-> Beta feedback -> Send feedback -> Error report
