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### Postgres extension update

The following Postgres extension was updated to a newer version:

| Postgres extension | Old version | New version |
| ------------------ | ----------- | ----------- |
| `plpgsql_check`    | 2.4.0       | 2.5.3       |

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

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

### Fixes & improvements

The following items affect the Neon serverless driver, which is a low-latency Postgres driver for JavaScript and TypeScript that allows you to query data from serverless and edge environments over HTTP or WebSockets in place of TCP:

- Proxy: Increased the maximum request body size for SQL requests over HTTP from 1 MB to 10 MB.
- Proxy: Added a 15 second proxy timeout for SQL requests over HTTP for handling of long running queries.

For more information about our serverless driver, see [Neon serverless driver](/docs/serverless/serverless-driver).