This will be available in 1.18.4 https://github.com/NodeBB/NodeBB/issues/9845

barisusakli created this issue in NodeBB/NodeBB closed ability to sort topics by views #9845

Yeah it might make more sense to use slugs instead of the actual group name when storing the key. Right now when you go to the group page you use a slug in the url and then the code grabs the group name using that slug to load the correct group's data.