A common pattern is to deploy a proxy contract, which simply forwards all function calls to an implementation contract, then an upgraded deployment generates a

A common pattern is to deploy a proxy contract, which simply forwards all function calls to an implementation contract, then an upgraded deployment generates a new address, the proxy contract is changed to point to the new address, and all end users only interact with the proxy contract. This is a little bit frowned upon in the community because it's a point of centralisation and control.