ACF 6.2 custom load and save paths for ACF JSON

custom-acf-json-paths.php

<?php

add_filter( 'acf/json/load_paths', 'set_custom_json_load_paths' );
function set_custom_json_load_paths( $paths ) {
	$paths[] = get_stylesheet_directory() . '/acf-json/post-types';
	$paths[] = get_stylesheet_directory() . '/acf-json/field-groups';
	$paths[] = get_stylesheet_directory() . '/acf-json/taxonomies';
	$paths[] = get_stylesheet_directory() . '/acf-json/option-pages';
	return $paths;
}

add_filter( 'acf/settings/save_json/type=acf-post-type', 'set_custom_json_save_path_for_post_types' );
function set_custom_json_save_path_for_post_types() {
	return get_stylesheet_directory() . '/acf-json/post-types';
}
add_filter( 'acf/settings/save_json/type=acf-field-group', 'set_custom_json_save_path_for_field_groups' );
function set_custom_json_save_path_for_field_groups() {
	return get_stylesheet_directory() . '/acf-json/field-groups';
}
add_filter( 'acf/settings/save_json/type=acf-taxonomy', 'set_custom_json_save_path_for_taxonomies' );
function set_custom_json_save_path_for_taxonomies() {
	return get_stylesheet_directory() . '/acf-json/taxonomies';
}
add_filter( 'acf/settings/save_json/type=acf-ui-options-page', 'set_custom_json_save_path_for_option_pages' );
function set_custom_json_save_path_for_option_pages() {
	return get_stylesheet_directory() . '/acf-json/option-pages';
}

add_filter(
	'acf/json/save_file_name',
	function( $filename, $post, $load_path ) {
		return empty( $load_path ) ? $filename : basename( $load_path );
	},
	10,
	3
);