When performing operations with objects: copying, moving, or deleting, the
Recent operations toolbar button becomes active. Clicking on the Sidebar will display a list of ongoing, completed, and interrupted operations with objects. When you hover the cursor over an operation, additional buttons for available actions will appear from the list :

Clicking on the name of the operation opens a window about the operation, in which you can view messages about all the objects on which actions were performed.
To cancel a move or deletion, hover over the operation entry and click
Undo.
To remove operations from the list, hover over the entry and click
Remove from list.
To close the list of recent operations, click
in the upper corner of the pane or click again on
Recent operations.