The separate view of recurring invoices alone is very good.
But when searching for a specific invoice it would be a good enhancement, if in list view of all invoices a small icon or something like that can be displayed for recurring invoices.
Issuehunt does not directly allow adding new issues. However, I would add this to the monetary rewards list and grant the reward to whoever develops this. Would just need a donation for this with the amount you want to offer.
Did it myself in my installation. I have no github Account and do not know how to implement these changes there, so if you can and will integrate it (7USD are for you kovah anyway):
Indeed, there is a fa-redo icon in FA, unfortunately it’s only available on version 5 and IP1 uses version 4. Both icons fa-repeat and fa-redo look alike, which is not a surprise given that