Just build latest ncurses 6.0-20170909 from Base:System/ncurses from OBS and at least htop works perfect. Please for every reporter check out http://download.opensuse.org/repositories/Base:/System/openSUSE_Factory/x86_64/libncurses6-6.0-416.2.x86_64.rpm http://download.opensuse.org/repositories/Base:/System/openSUSE_Factory/x86_64/terminfo-base-6.0-416.2.x86_64.rpm that is the libraries as well as the terminfo base. Afdter installing both packages please test out your use case within an real(!) XTerm