It's an eAmod script, and since Zephyrus probably wouldn't like it if we posted it here, we won't.
Please consider that this is a request section, not one for rude demands, thank you.
I don't think it is normal, yet the diff only changes the packet being sent, as such should be unrelated. I'll test it when I get around to do that.
oh ok. thanks. i would wait for the confirmation.
It does not crash for me. Of course the client closes, but that happens even without the patch, by design.
conf\battle\skill.conf
// Dancing Weapon Switch
// On official server, a fix is in place that prevents the switching of weapons to cancel songs.
// Default: yes
dancing_weaponswitch_fix: no