Just a heads up that the HA docs are being updated and if you spend as much time in the templating docs as I do you might want to re-acquaint yourself with the new paged setup.
I literally thought that my dev link was broken, I just wouldn’t have expected it on a Sunday afternoon.
Edit: Starting to think this may have been a premature error, some links don’t work and some sections seem incomplete or inaccurate… states function as an example