For Fedora Rawhide run the following as root:
dnf config-manager addrepo --from-repofile=https://download.opensuse.org/repositories/home:philipp.huth:ros-2/Fedora_Rawhide/home:philipp.huth:ros-2.repo
dnf install ros-qt-gui-cpp
For Fedora 42 run the following as root:
dnf config-manager addrepo --from-repofile=https://download.opensuse.org/repositories/home:philipp.huth:ros-2/Fedora_42/home:philipp.huth:ros-2.repo
dnf install ros-qt-gui-cpp
For Fedora 41 run the following as root:
dnf config-manager addrepo --from-repofile=https://download.opensuse.org/repositories/home:philipp.huth:ros-2/Fedora_41/home:philipp.huth:ros-2.repo
dnf install ros-qt-gui-cpp
For Fedora 38 run the following as root:
dnf config-manager --add-repo https://download.opensuse.org/repositories/home:philipp.huth:ros-2/Fedora_38/home:philipp.huth:ros-2.repo
dnf install ros-qt-gui-cpp