Update Stable Diffusion on a Mac M1, M2, M3 or M4 (Apple Silicon)

Open a Terminal window:

Run these 2 commands (paste them into the Terminal window):

cd ~/stable-diffusion-webui

git pull

You will get a screen like this:

Now run the tool:

cd ~/stable-diffusion-webui;./webui.sh --no-half

All set!