xfce4-whiskermenu-plugin from home:RandLin:rand-backports project

Select Your Operating System

For Raspbian 11 run the following:
Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).
echo 'deb http://download.opensuse.org/repositories/home:/RandLin:/rand-backports/Raspbian_11/ /' | sudo tee /etc/apt/sources.list.d/home:RandLin:rand-backports.list
curl -fsSL https://download.opensuse.org/repositories/home:RandLin:rand-backports/Raspbian_11/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_RandLin_rand-backports.gpg > /dev/null
sudo apt update
sudo apt install xfce4-whiskermenu-plugin