The battle interface was updated. Now they are also in a new adaptive design. The undoubted advantage of this is that now you can provide battles from any of your device: computer, phone or tablet.
Here are examples of the display of a battle:

A computer:



Mobile phone:



In the left panel, the blocks can be fold independently of each other. Depending on what is more important for you to see at the moment. This is especially useful if you control a battle from the phone or there are many participants in a battle.

Example of folding the top block: