Can not select items on responsive view

[mikeloc]

Old responsive UI not working anymore?

Starting today, the “Responsive” tab on my UI (old version) doesn’t allow me to edit the sizes and behaviour (current minimum width, etc.) in the way it did until yesterday (actually I can’t click on different elements), so looks like it’s forcing me to upgrade to the new responsive engine, but it’s definitely not what I’m looking for, as I already built the website and 90% of its responsive behaviour using the old engine. I’ve actually upgraded it on a copy of the page and definitely it’s not w…