---
title: Go SDK 1.9.0
summary: null
url: https://www.fastly.com/documentation/reference/changes/2026/08/go-sdk-1.9.0
---

- fsthttp: add Headless bot type
- fsthttp: make fsthttp.Transport (net/http adapter) goroutine-safe
- fsthttp: improve error messages when fanout is not enabled
- all: improve error handling in examples and tests