| B | ↘ | C | MySQLi got worse |
| ⇢ | B | MySQLi::f_result() added | |
| ⇢ | B | MySQLi::f_stmt() added | |
| ⇢ | B | MySQLi::q_internal_once() added | |
| ⇢ | B | MySQLi::f_stmt_internal() added | |
| ⇢ | A | MySQLi::q_internal_once_bind_param() added | |
| ⇢ | A | MySQLi::f_stmt_bind_result() added | |
| B | ↗ | A | MySQLi::f() improved |
| A | ↛ | MySQLi::q_internal_internal() removed |