Date Picker not working on mobile/iPhone

The Caldera Forms date picker has stopped working on a website we manage. I’ve had to remove the date picker and replace it with a Single Text field set to date format. The date picker worked fine on a desktop device, and showed no console errors when viewing in developer tools. But for some reason, tapping on the date picker on a mobile phone just didn’t do anything. No error messages. No date picker pop-up.

I can’t give you a link to the website, as it’s a live environment and I’ve had to disable the date picker and replace it with the single text field.

Has anyone else come across this? And is there a better solution than simply changing the field type?