This should still work, but it’s only on the mobile view. So, if you just test it the browser fake mobile view without changing the user agent, it won’t work. Can you please confirm that you’re testing this on an actual phone. If so, can you let me know what device / browser you’re using?
I see this too. The reason is that all the dropdown (opening / closing) behaviour is now handled with CSS instead of JavaScript. I don’t think CSS has a way to handle auto closing the dropdown after you click it. So, we have to fallback to JS for that particular issue. I’ll do it after you confirm the scroll issue on mobile.