Kdenlive/Manual/View Menu/Undo History
View>Undo History
There may be times when you want to quickly restore your project to the state it was in several changes ago. Instead of repeatedly executing single undo operations, it might be more efficient to jump right to the operation in question — if you could easily locate it.
That's where
Each operation you perform from then on gets added to the list, as shown in Figure 2. In this example, if you wanted to undo the last three operations with one click, all you have to do is click on the Add timeline clip entry.