A very simple python + GTK app to change slot on A/B Android devices and reboot into OS on other slot
git clone https://github.com/techtino/slot-switcher_Droidian
cd slot-switcher_Droidian
chmod +x ./install.sh
sudo ./install.sh
Based on code from https://github.com/ubports-xiaomi-sdm660/Switch-My-Slot-Ubuntu-Touch