# install wmctrl & git (DEB-based)
sudo apt install wmctrl git
git clone https://github.com/varlesh/plank-xfwm-fix.git
cp -R plank-xfwm-fix/{.PLANK-XFWM,.local} ~

rm ~/.PLANK-XFWM ~/.local/share/applications/plank-xfwm.desktop