In similar fashion to the Issue and Risks tabs, the introduction of a Action Register is of value to identify decision points, external deliverables, and requests for information, to name a few.
Not a new Idea to this exchange, i would argue that Issues have their specific purpose... that being something has gone afoul with a task. Additionally, the term Issue itself carries a negative connotation. While Terminology can be used to change the name of Issues, implementation is very unwieldy.
Function would follow similar to other data points of Name, Description, Assigned to, and Due Date at a bare minimum,