| ⇢ | A | CForumPost::setForum() added | |
| ⇢ | A | CForumPost::getForum() added | |
| B | ↗ | A | move_thread_form() improved |
| B | ↗ | A | Tracking::count_student_messages() improved |
| B | ↗ | A | get_forum_categories() improved |
| C | ↘ | F | move_up_down() got worse |
| A | ↛ | CForumPost::getForumId() removed | |
| A | ↛ | CForumPost::setForumId() removed |