---
title: Rust SDK 0.13.1
summary: null
url: https://www.fastly.com/documentation/reference/changes/2026/08/rust-sdk-0.13.1
---

- Add a `Request::as_handles` method.
- Add cache lookup timeout
- Add `from_handle` functions for `ConfigStore`, `SecretStore`, and `Log`.
- Add `ToBackend` implementation for `Arc`.
- Add `BotCategory::Headless` to list of known bot categories
- Fix clearing of `override_cache_key` before using it.
- Return descriptive error when Fanout is not enabled
- Respect cache lookup timeout for HTTP guest caching.
- Experimental support for dynamic backend healthchecks.