Just so that others don't waste their time as I have just done ...
In a naive moment I checked whether the much-trumpeted latest upgrade to Windows 10 version 1903 includes a fix to our long-standing frustration getting Epson scanners to work as they used to before.
Ha ha ha. No such luck.
Deep in the vaults of corporate HQ in Redmond I see a bunch of Microsofters celebrating their delight in taking us unfortunate customers for a ride.
If the issue is with the Epson driver I don't know why you would expect Microsoft to fix it.