Application passwords not working on localhost?
That error could happen if wp_is_application_passwords_available() returns a false, and the docs says: By default, Application Passwords is available to all sites using SSL or to local environments. Use ‘wp_is_application_passwords_available’ to adjust its availability. So, to enable the Application Passwords: Enable SSL on your localhost, Or define WP_ENVIRONMENT_TYPE either as a global system variable or … Read more