This header is not managed, without it, it uses the default nginx yunohost settings:
conf.d/security.conf.inc:more_set_headers "X-Frame-Options : SAMEORIGIN";
For example it is possible to remove the header:
more_clear_headers 'X-Frame-Options';
There is a settings regarding that inside the web interface in pixelfed administration.
This header is not managed, without it, it uses the default nginx yunohost settings: conf.d/security.conf.inc:more_set_headers "X-Frame-Options : SAMEORIGIN";
For example it is possible to remove the header: more_clear_headers 'X-Frame-Options';
There is a settings regarding that inside the web interface in pixelfed administration.