# Changelog

## 0.13.18

Released on November 30, 2020.

### Enhancements

- Display formatted graphql errors on client request failure - [#3632](https://github.com/PrefectHQ/prefect/pull/3632)
- Refactor Core Client API calls for performance - [#3730](https://github.com/PrefectHQ/prefect/pull/3730)

### Task Library

- Refactor execute query code for `PostgresExecute`, `PostgresExecuteMany`, and `PostgresFetch` tasks - [#3714](https://github.com/PrefectHQ/prefect/pull/3714)
- Fix `PicklingError` in `BigQueryLoadFile` and `BigQueryLoadGoogleCloudStorage` - [#3724](https://github.com/PrefectHQ/prefect/pull/3724)
- Allow custom exporter for `ExecuteNotebook` task - [#3725](https://github.com/PrefectHQ/prefect/pull/3725)
- Properly forward `location` parameter in bigquery tasks - [#3726](https://github.com/PrefectHQ/prefect/pull/3726)
- Support passing `helper_script` to `ShellTask`/`DBTShellTask` at runtime - [#3729](https://github.com/PrefectHQ/prefect/pull/3729)

### Fixes

- Fix bug with docker storage throwing exception while trying to display output - [#3717](https://github.com/PrefectHQ/prefect/pull/3717)

### Contributors

- [Amanda Wee](https://github.com/amanda-wee)
- [Panagiotis Simakis](https://github.com/sp1thas)
- [Swier Heeres](https://github.com/swierh)
- [Takayuki Hirayama](https://github.com/yukihira1992)