# Changelog 2023 10 09

### Postgres extension updates

The following Postgres extensions were updated to a newer version and are now supported with Postgres 16:

| Postgres extension | Old version | New version |
| ------------------ | ----------- | ----------- |
| `pg_jsonschema`    | 0.1.4       | 0.2.0       |
| `pg_graphql`       | 1.1.0       | 1.4.0       |
| `pgx_ulid`         | 0.1.0       | 0.1.3       |

If you installed these extensions previously and want to upgrade to the latest version, please refer to [Update an extension version](/guides/postgres-extensions-pg-extensions#update-an-extension-version) for instructions.

Additionally, the [pg\_tiktoken](/guides/postgres-extensions-pg-tiktoken) extension is now supported with Postgres 16.

For a complete list of Postgres extensions supported by Neon, see [Postgres extensions](/guides/postgres-extensions-pg-extensions).

### Fixes & improvements

- Compute: Fixed an issue that caused an invalid database state after a failed `DROP DATABASE` operation.

## Related pages

- [Add users and authentication](./auth-index.md)
- [AI tools for Agents](./ai-agents-on-neon-index.md)
- [APIs & SDKs](./apis-sdks-index.md)
- [Changelog](../changelog.md)
- [Explore the full platform: functions, object storage, AI Gateway, and more](./neon-docs-index.md)
- [Integrating with Neon](./building-on-neon-index.md)
- [Lakebase Postgres](./postgres-index.md)
- [More](./more-index.md)
- [Neon AI Gateway](./ai-gateway-index.md)
- [Neon community](./community-index.md)

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