This kind of touches on what we were discussing here previously, so I'll drop this post from the Japanese forums in here.

Quote Originally Posted by Triary View Post
First of all, through battle reforms, we are looking to fix the issue of class specific actions such as Guard and Refill being set to action slots forcibly.

Next is the ability to customize sets of multiple actions for each class. As we previously stated, we will work towards storing actions for each class. After this, we will work towards being able to switch sets of actions according to the situation and making it possible to customize sets freely.