If I have a blocker on a PBI, the only way I can see in Epic View (Portfolio view) is to expand. So each time I or a team member add a blocker, we have to also remember to add to the parent Epic(s) so we can easily see them when grooming Epics.

Seems like an easy thing to add or even give a Yes/No check box when creating the blocker with label of "Add to parent Epic(s) also?"