If new hardware or technology is totally changing your solution - it's a bad sign.

It depends a lot on the domain on which you are working on. In places where I worked, such big changes could be encapsulated and separated from the domain logic (by using Clean Architecture, for example).

This is where modelling techniques are useful - with proper exploration you can create proper boundaries that will save you from such big changes. The only thing that is constant is change. It's all about being prepared for that.