Sime 0.79 my input_number are no more modifiable, they appear empty without any value:
Conf is pretty simple:
input_number:
temp_for_morning:
name: "Winter Morning"
min: 12
max: 25
step: 1
icon: mdi:thermometer
mode: box
unit_of_measurement: "ºC"
In the dev panel it has a value but it cannot be modified