I'm guessing this is the same as "adding another column to a db schema should not break your app". So basically don't iterate over objects (or iterate and only

I'm guessing this is the same as "adding another column to a db schema should not break your app". So basically don't iterate over objects (or iterate and only use keys you recognize) and you are fine. That does not seem at all weird to me. The client side of it is the same as "don't SELECT *".