| ⇢ | A | _Abstract::normalize_parameters() added | |
| ⇢ | A | _Abstract::prepare_query_and_parameters() added | |
| ⇢ | A | PostgreSQL::convert_prepared_statements_syntax() added | |
| B | ↘ | C | MySQLi::q_internal() got worse |
| B | ↛ | _Abstract::prepare_and_normalize_arguments() removed | |
| A | ↛ | MySQLi::q_multi_internal() removed | |
| A | ↛ | SQLite::q_multi_internal() removed | |
| A | ↛ | PostgreSQL::q_multi_internal() removed |