Instead of having an X or checkmark next to the Advancement, make the text green or red then it looks better

OK, this type of colouring is not yet an option to have. Also need to look the config stuff.

You should be able to do this using the config: defaultUncompletedTitleColor and defaultCompletedTitleColor.

Or do you mean something else? A screenshot would help a lot :)

The thing is the config never generates so I can't change it, there so isn't any keybind or command to open the settings.
Anyway the edited ss

Sorry if I am a bit impatient, but have you added this yet?

Still on the to-do list, just need to find some time to code