| ⇢ | A | Command added | |
| ⇢ | A | Driver added | |
| ⇢ | A | Transaction added | |
| ⇢ | A | Connection added | |
| A | ↛ | CommandPDO removed | |
| A | ↛ | PDODriver removed | |
| A | ↛ | ConnectionPDO removed | |
| A | ↛ | TransactionPDO removed | 
| ⇢ | B | Command::internalExecute() added | |
| ⇢ | A | Command::execute() added | |
| ⇢ | A | Command::splitStatements() added | |
| ⇢ | A | Command::queryInternal() added | |
| ⇢ | A | Command::insertWithReturningPks() added | |
| ⇢ | A | Transaction::setTransactionIsolationLevel() added | |
| ⇢ | A | Command::extractUsedParams() added | |
| ⇢ | A | Connection::getQueryBuilder() added | |
| ⇢ | A | Connection::createCommand() added | |
| ⇢ | A | Connection::getQuoter() added | |
| ⋮ | view more | ||
| B | ↛ | CommandPDO::internalExecute() removed | |
| A | ↛ | CommandPDO::execute() removed | |
| A | ↛ | CommandPDO::splitStatements() removed | |
| A | ↛ | CommandPDO::queryInternal() removed | |
| A | ↛ | CommandPDO::insertWithReturningPks() removed | |
| A | ↛ | TransactionPDO::setTransactionIsolationLevel() removed | |
| A | ↛ | CommandPDO::extractUsedParams() removed | |
| A | ↛ | ConnectionPDO::__clone() removed | |
| A | ↛ | ConnectionPDO::getQueryBuilder() removed | |
| A | ↛ | ConnectionPDO::getSchema() removed | |
| ⋮ | view more | ||