PHP 8 Fatal Error

Hi there,

Thanks for the wonderful plugin! We are seeing an error thrown when performing certain actions in the dashboard:

Error Details
=============
An error of type E_ERROR was caused in line 50 of the file /wp-content/plugins/posts-to-posts/admin/dropdown.php. Error message: Uncaught Error: Call to undefined function each() in /wp-content/plugins/posts-to-posts/admin/dropdown.php:50
Stack trace:
#0 /wp-content/plugins/posts-to-posts/admin/dropdown-post.php(14): P2P_Dropdown::get_qv()
#1 /wp-includes/class-wp-hook.php(307): P2P_Dropdown_Post::massage_query()
#2 /wp-includes/plugin.php(191): WP_Hook->apply_filters()
#3 /wp-includes/class-wp.php(389): apply_filters()
#4 /wp-includes/class-wp.php(770): WP->parse_request()
#5 /wp-includes/functions.php(1330): WP->main()
#6 /wp-admin/includes/post.php(1239): wp()
#7 /wp-admin/includes/class-wp-posts-list-table.php(166): wp_edit_posts_query()
#8 /wp-admin/edit.php(225): WP_Posts_List_Table->prepare_items()
#9 {main}
thrown

Please advise ??