Oval unread indicator in the categories section of the sidebar

Category section:

Community section, perfectly round (but will be stretched if we change the vertical-align value of the SVG icon, I talk about it after my screenshots):

Category section on meta, perfectly round:

I noticed two things that affect the “ovalness” of the indicator: the chosen font and the vertical-align CSS value of the SVG icon.
But I’m not sure these two attributes are relevant because it looks and behaves exactly like the same issue as this one:

I think if a fix was to happen, it would be the same way as it was fixed in my link, by using fixed, round values.

Edit: same on the new indicators of changed settings in the admin panel: