This release fixes an issue with type information passed to `Connection#update()`,
which was incorrectly handled if the updated columns and the identifier columns
had equivalent keys.

Also, the generated current date and time SQL expressions for SQL Server were fixed.

Total issues resolved: **4**

- [2511: DBAL Connection::update() - types list does not match the parameter list if fields are used in SET and WHERE clause](https://github.com/doctrine/dbal/issues/2511)
- [2586: SQL_Server : issue on getCurrentDateSql()](https://github.com/doctrine/dbal/issues/2586)
- [2608: [DBAL-2586\ Fix current date and time SQL generation on SQL Server](https://github.com/doctrine/dbal/pull/2608)
- [2609: [DBAL-2511\ Fix type list extraction in connection update method](https://github.com/doctrine/dbal/pull/2609)