- Edited
@ eric, please update qt5-base & qt-base-debug to 5.15.3. Otherwise, all qt applications don't work due to incompatible versions. Thanks.
$ pacman -Ss qt5-base
obextra/qt5-base 5.15.2+kde+r301-2 (qt qt5) [installed]
A cross-platform application and UI framework
obextra/qt5-base-debug 5.15.2+kde+r296-3
Detached debugging symbols for qt5-base
extra/qt5-base 5.15.3+kde+r132-1 (qt qt5) [installed: 5.15.2+kde+r301-2]
A cross-platform application and UI framework
$ audacious
Cannot mix incompatible Qt library (5.15.3) with this library (5.15.2)
zsh: IOT instruction audacious