@leny
You need to force install libcamera 0.0.3-1 with pacman -Sdd libcamera
and then rebuild pipewire-common-git.
It's recommended to build pipewire-common-git in chroot so you can avoid these hassles. Or just install pipewire-common-git from chaotic-aur repo mentioned in the pinned comment.
Pinned Comments
PedroHLC commented on 2021-01-11 22:53 (UTC)
If someone needs any of these packages pre-built, chaotic-aur builds them hourly...