Why does it matter if they are on 2.3 or whatever if they can keep pushing the features? I don't care which Rails they are using ( provided they are secure, of

Why does it matter if they are on 2.3 or whatever if they can keep pushing the features? I don't care which Rails they are using ( provided they are secure, of course) Now, why this is on HN, is a different question that is worthy of being asked.