https://bugs.kde.org/show_bug.cgi?id=419300
--- Comment #2 from Michael D <nortex...@gmail.com> --- According to the creator and maintainer of Kvantum, it can't be the theme or theme engine, in which case it's a bug in KMail. Some earlier discussion can be found on Kvantum's github: https://github.com/tsujan/Kvantum/issues/511 -- You are receiving this mail because: You are the assignee for the bug.