With the new assignment editor tool now being forced to users (no more opt in/opt out), where is ...

Now you have to go to the assignment main page, click the "select button" to the left of the assignments that need to be associated (assuming you've already created categories), and bulk edit. There you will find the option to associate assignment to a category. Am I missing something? Why is this now not an option within the assignment anymore. It's a hassle having to go somewhere else to do this.