Just pushed the latest update for my WordPress plugin Lightweight Accordion. Included are bug fixes from community comments on WordPress.org.
🐞 Bugfix for PHP notice on line 22.
🔒 Added index.php file to directory for added security.
🪆 Added support for nested Lightweight Accordions by adding ‘[lightweight-accordion-nested]’ shortcode that can be used when adding an accordion inside of an accordion (this only affects shortcode users).
Download: https://wordpress.org/plugins/lightweight-accordion/