| ⇢ | A | CI_DB_pdo_oci_driver::version() added | |
| ⇢ | A | CI_DB_driver::error() added | |
| A | ↘ | B | CI_DB_oci8_driver::version() got worse |
| C | ↘ | D | CI_Session_memcached_driver::write() got worse |
| C | ↘ | D | CI_Session_redis_driver::write() got worse |
| B | ↘ | C | CI_Session_files_driver::destroy() got worse |
| B | ↘ | C | CI_Session_memcached_driver::_get_lock() got worse |