with default month && year when you select a month, I take the next one

[pakond]

with default month year and max-date min-date when you select a month, I take the next one.

<month-picker
lang="es"
:max-date="maxDate"
:min-date="minDate"
default-month="11"
default-year="2020"
@input="changeStartDate"
/>

clicking Febrero

[kleinrein]

Hi. Can you try sending number values instead of strings?
Eg.

<month-picker
  lang="es"
  :max-date="maxDate"
  :min-date="minDate"
  :default-month="11"
  :default-year="2020"
  @input="changeStartDate"
/>

And on v.1.6.0?