## 2.1.5 * Allow timestamp value in database to be serialized (presumes UTC timezone) [Yesod #391](https://github.com/yesodweb/persistent/issues/391) ## 2.1.4 * Treat unknown extension types as PersistDbSpecific values [#385](https://github.com/yesodweb/persistent/pull/385) ## 2.1.3 * Added a `Show` instance for `PostgresConf`. * `createPostgresqlPoolModified` added, see [relevant mailing list discussion](https://groups.google.com/d/msg/yesodweb/qUXrEN_swEo/O0pFwqwQIdcJ) ## 2.1.2.1 Documentation typo fix ## 2.1.1 Added `FromJSON` instance for `PostgresConf`.