You will be able to continue to use this method in version 17. You'll just need to run a codemod [1] to rename it to "UNSAFE_ componentWillReceiveProps". It wil

You will be able to continue to use this method in version 17. You'll just need to run a codemod [1] to rename it to "UNSAFE_ componentWillReceiveProps". It will otherwise work the same as it always has. We are trying to strike a balance between supporting huge legacy apps- (something Facebook has to do for itself too)- and encouraging safe/bug-free coding practices for future apps. 1: https://github.com/reactjs/rfcs/blob/master/text/0006-static-lifecycle-methods.md#common-problems https://github.com/reactjs/rfcs/blob/master/text/0006-static...