I'm not a JS developer, I'm just someone who has shipped enough software to know that the fraction of people reading change logs is vanishingly small.

Maybe you are a very careful developer, but the vast majority out there is not.

Shipping an udate that will corrupt data if you don't read the changelog is very very dangerous.

I see why they did it. Having a method with the same name as in Active Record but with different behavior is also dangerous.

But they really could have handled this better.