qt6-base from home:alarrosa:branches:KDE:Qt-6.6.3 project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:alarrosa:branches:KDE:Qt-6.6.3/openSUSE_Tumbleweed/home:alarrosa:branches:KDE:Qt-6.6.3.repo zypper refresh zypper install qt6-base