The generated HTML of calendar has a class of "fa" (in case the calendar is set to solar) which interferes with font awesome classes and causes the calendar popup to not show properly.
Changing it to ".fa2" in ha-datetimepicker.js solved the issue for me.
The generated HTML of calendar has a class of "fa" (in case the calendar is set to solar) which interferes with font awesome classes and causes the calendar popup to not show properly.
Changing it to ".fa2" in ha-datetimepicker.js solved the issue for me.