lib32-fluidsynth errorneously depends on "libpipewire-0.3.solibportaudio.so".
Ahoj,
the package "lib32/lib32-fluidsynth", version 2.3.0-2, has a nonexistend dependency "libpipewire-0.3.solibportaudio.so" (probably a missing whitespace and it should be two dependencies "libpipewire-0.3.so" and "libportaudio.so"?):
pacman -Si lib32/lib32-fluidsynth | grep -E '(^Repository|^Name|^Version|^Depends On)':
Repository : lib32
Name : lib32-fluidsynth
Version : 2.3.0-2
Depends On : fluidsynth=2.3.0 lib32-glibc lib32-libpulse lib32-readline lib32-sdl2 libasound.so=2-32 libglib-2.0.so=0-32 libgmodule-2.0.so=0-32 libgobject-2.0.so=0-32 libinstpatch-1.0.so=2-32 libjack.so=0-32 libpipewire-0.3.solibportaudio.so libsndfile.so=1-32