Maybe depends what tech you work in? In the Java and .NET sphere things are pretty much stable over many years. We hardly had to do any work to to move our syst

Maybe depends what tech you work in? In the Java and .NET sphere things are pretty much stable over many years. We hardly had to do any work to to move our systems (quite large ones) across the same well supported frameworks to new versions the past decades and the fact everyone in these ecosystems know the popular frameworks well and the design patterns, it scales well to many and new people.