For several versions of PyCharm now, I have noticed that the unused imports are not highlighted. Maybe I might just need to change something in the preferences. The only thing I could find in the prefs that looks like it is the "unused symbol" in the colors&fonts prefs. But as you can see in the attached screenshot, there is already a wavy yellow underlined for that one. That underline does not appear for unused Python imports though.
Am I missing something?