I've installed Oh My Zsh with the Powerlevel10k theme. It looks fine in a regular terminal:
But in IntelliJ IDEA there appears to be some "padding" in console lines that cause the background colors to span taller than the height of the angle symbols:
I've tried overriding the default in Editor > Color Scheme > Console Font to set Line Spacing to 1.0:
In fact even setting this to 0.8 or less, while scrunching the text, doesn't seem to have any effect on the mismatched background color heights, leading me to believe it's not a problem with line spacing.
I know this is super minor and that's why I've lived with it for several months now, but it would make me very happy if someone knew how to fix this.