Rust SDK 0.11.7 | Fastly Documentation

Network services
Customize your content delivery.
Full-Site Delivery (CDN)
Streaming Delivery
Purging
Image Optimizer
Security
Protect your services and applications.
Next-Gen WAF
Edge Rate Limiting
Access Control Lists
TLS
Compute
Experiment with Fastly's edge computing platform.
Compute services
Testing and debugging
Edge Data Storage
Quick start
Go from zero to Fastly with these step-by-step guides and tutorials.
CDN getting started guide
Compute getting started guide
Building blocks
Start with the basics and learn how Fastly lets you take advantage of the modern internet.
Services
Core concepts
Web interface guides
Integrations
Find out how Fastly services interoperate with non-Fastly services.
Streaming logs
Logging endpoints
Non-Fastly services
See all guides
Tutorials
Step-by-step guides to developing with Fastly
Deliver a site with Fastly
Enhance your UX with Compute
Edge deploy Next-Gen WAF
See all tutorials
Demos
Discover how Fastly can enhance your user experience.
Passwordless auth
Fanout chat
Social sharing cards
See all demos
Use Cases
Get solutions to specific problems with curated topics.
Authentication
Geolocation
Personalization
See all use cases
Code Examples
Try out Fastly code in the browser and easily remix it for your own project.
Geolocation at the edge
Optimize images on the fly
Redirect URLs at the edge
See all code examples
Starter Kits
Start developing your project immediately with Fastly from a functional template.
Rust default starter
JavaScript default starter
Go default starter
See all starter kits

Log in Try Fastly free

September 29, 2025

Request hooks: clarify that before_send and after_send are not invoked if the result is explicitly passed to origin (set_pass)
HTTP cache override: document that the cache override key must be exactly 32 bytes long
Pass backend name at the start of HTTP cache transactions, to improve accuracy of POP-local / global cache hit ratio metrics.
Add Device::is_bot method for indicating when a User-Agent was recognized as a bot
Add the rest of the Device fields getter functions to access each subfield
Add InspectConfig::from_request and InspectConfig::from_handles for creating new configurations for use with fastly::security::inspect.
Deprecate InspectConfig::new in favor of choosing one of the new from_* constructors
Add Request::get_tls_client_servername for getting SNI sent by client
Fix serialization for threshold value in Image Optimization
Optimize conversions for IP addresses and header values for hostcalls

Prior change: Rust SDK 0.11.6

Following change: Rust SDK 0.11.8