kernel-firmware-iwlwifi from home:marec2000:kernel:5.14 project
Select Your Operating System
Add repository and install manually
For openSUSE Leap 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:marec2000:kernel:5.14/openSUSE_Leap_15.3/home:marec2000:kernel:5.14.repo zypper refresh zypper install kernel-firmware-iwlwifi