So: Keepassxc doesn’t show open or save dialogs. There are no errors.
I’m not sure what the problem is but if I try the flatpak it does work.
~ >>> keepassxc --debug-info KeePassXC - Version 2.6.1 Revision: 9a35bba Qt 5.15.1 Debugging mode is disabled. Operating system: Manjaro Linux CPU architecture: x86_64 Kernel: linux 5.8.16-2-MANJARO Enabled extensions: - Auto-Type - Browser Integration - SSH Agent - KeeShare (signed and unsigned sharing) - YubiKey - Secret Service Integration Cryptographic libraries: libgcrypt 1.8.6