I've recently taken over a project from another scrum master.
In the backlog there is a 'Feature' called 'Support HW Team' (HW -> Hardware) that has a bunch of vague stories under it and basically never gets closed because it's ad-hoc, ongoing work.
What is the best practice for planning and tracking this sort of work? I don't like these never ending Features because they end up becoming massive and hard to groom. Also, they get used for burying hours as they're always part of the sprint and devs can legitimately assign almost any time they like to them without much pushback.
I'm more familiar with Jira than Azure boards but I don't recall a neat way of doing this in Jira either.