I am adding a Discussion Forum in a widget and have "Render in iFrame" checked. This is what I see:

So my question is: Why do we need that right arrow in a circle and the nav bar on the bottom? There is nothing over to the right to navigate to. It would be far better from a UX point of view if this iframe were responsive and fit exactly into the space available.*

This situation might be okay if I just had the one Topic, but there are multiple Topics down the page and those grey bars are (a) unnecessary and (b) disruptive. We're only talking like 10 px, but it makes a real difference to the look and feel of the page.

Here's what it could look like:

I'm trying to make things appear and flow as smoothly and elegantly as possible and with as few clicks as I can, but honestly, it can be a real struggle.

* we sometimes see a similar behaviour when adding items from an LTI. The space provided is just a few px too small and the edge of the object is cropped off.