I've also cursed any number of shoemakers that have discontinued or redesigned favorite shoes, never to be seen or worn by my poor feet again.
Total sympathy. I am currently mildly distraught because I've nearly worn out my favourite shoe, but they are no longer made or sold :(

I have very narrow (AAA) feet, so finding anything that remotely fits requires patience
Sadly, I have no ready made advice by which to wow you with my genius. Wait! I know! You could... get really, really rich and buy bespoke, Y? Y?

Y?