Users can use ⌘ + Z to undo the previous edit they made to the Workflow canvas. And use Shift + ⌘ + Z to redo the action. For example undo... User adds step, ⌘ + Z would delete the step User adds section, ⌘ + Z would delete the section User deletes a step, ⌘ + Z would bring it back User deletes s section, ⌘ + Z would bring it back Shift + ⌘ + Z would redo the actions listed above when they are undone. If you have questions about this feature, post them below!