libxcb from home:AndnoVember:LXQT 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:AndnoVember:LXQT/openSUSE_Tumbleweed/home:AndnoVember:LXQT.repo zypper refresh zypper install libxcb