The small reputation graph on the profile page is broken in Edge and IE:
While in Chrome it looks like this:
Firefox also shows it correctly. I have not tested Safari.
I know the Edge rendering engine is going to go away at some point, so this issue will disappear in the long run, but it'd be nice if Stack Exchange worked on all browsers, not just the main ones.
Seeing as you are redesigning the profile page, seems like an ideal time to fix it. 🙂
Tested versions: Chrome 71.0.3578.98, Firefox 64.0, Edge 44.17763.1.0, IE 11.195.17763.0, all on Windows 10 1809 (17763).