To undo a change, click the arrow pointing to the left in the top bar. (Or press CMD + Z for Mac /CTRL + Z for Windows)
To redo a change, click the arrow pointing to the right. (Or press CMD + SHIFT + Z for Mac/ CTRL + SHIFT + Z)

To undo a change, click the arrow pointing to the left in the top bar. (Or press CMD + Z for Mac /CTRL + Z for Windows)
To redo a change, click the arrow pointing to the right. (Or press CMD + SHIFT + Z for Mac/ CTRL + SHIFT + Z)