Same here:
Notice: screen_icon is deprecated since version 3.8.0 with no alternative available. in /home/admin/domains/domain.com/public_html/wp-includes/functions.php on line 3842
Notice: get_screen_icon is deprecated since version 3.8.0 with no alternative available. in /home/admin/domains/domain.com/public_html/wp-includes/functions.php on line 3842
Wordpress 4.9.5
Any release sate for BBpress 2.6?