Anything new since last spring on the best way to eradicate bindweed?

The watchword is persistence. I got rid of mine after a few years. You have to
pull it up by the roots as much as possible every time you see it. I heard that
a famous garden in England put stakes in the flower beds for it to climb on,
then sprayed the tops with weedkiller without touching the other plants.

Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the oncoming
train."
Robert Lowell (1917-1977)