Use core script registration using 'defer' attribute

[carstingaxion]

// Add defer attribute to script tag
// @todo Use core script registration using 'defer' attribute
// @see  https://make.wordpress.org/core/2023/07/14/registering-scripts-with-async-and-defer-attributes-in-wordpress-6-3/
// Was before: add_filter( 'script_loader_tag', __NAMESPACE__ . '\\defer_frontend_js', 0, 3 ); // !
add_filter( 'Figuren_Theater\Theming\Defer_Async_Loader\scripts_to_defer', __NAMESPACE__ . '\\defer_frontend_js', 0, 3 );

ft-privacy/inc/embed-privacy/namespace.php

Lines 57 to 61 in 3943bd9

	add_filter( 'embed_privacy_opt_out_headline', '__return_false' );
	// if we set the shortcode attr 'subline' to empty values,
	// empty html-tags are still rendered
	add_filter( 'embed_privacy_opt_out_subline', '__return_false' );