Touch
The touch feature within an item enables you to generate a fresh revision without altering the content. Accessible through the Tools menu of any item:
This is useful for example if an item appears as out of date, because an item from which is was derived from has changed slightly (e.g. the formatting).
If you require to touch up more than one level down the tree, for example if you made a formatting change to the main requirement, then there is an additional feature that covers more levels. This advanced option is allowing you to enable recursive touch for multiple levels down (see advanced features in project settings). Enabled, this feature will present like this:
To quickly find all outdated items in a project, you can run the "MRQL" search like this: "mrql:outdated=1" and show them as a list. (See all MRQL info)
See the FAQ "What is the Touch function used for?".