@Mike: Now it works, crazy. I was pretty sure that I tried it also to empty the functions.php for the child theme.

Awesome. Thank you so much and happy/healthy new year 2023 :).

P.s.: Is there any other solution to show only the blogposts from the last 12 months?

• This reply was modified 2 years, 3 months ago by wwwdesignquartierde.