In my experience this has not been a problem. First upgrades are very infrequent. Second, they occur for very good reasons. Third there is tooling to handle a

In my experience this has not been a problem. First upgrades are very infrequent. Second, they occur for very good reasons. Third there is tooling to handle a lot of the code migration. Fourthly, the compiler will help you fix the rest. Lastly, each new version has been a real improvement on the previous.