I cant say when it will be added, but it is a quick fix.
If you edit the files in the plugin then yes they will get over written on update. The gateway files can be copied to the uploads directory just like other templates, so copy the entire Invoice directory from event-espresso/gateways/invoice, over to uploads/espresso/gateways/invoice and edit the files there.
The support post ‘Invoice date format needs to change to dd/mm/yyyy’ is closed to new replies.
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