Changelog | February 2026 | Fastly Documentation

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Passwordless auth
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Geolocation at the edge
Optimize images on the fly
Redirect URLs at the edge
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This changelog provides information on changes across the Fastly platform, including to the VCL language, our public API, CLI, the Terraform provider, Terraform provider (beta), Compute Rust SDK, Compute JavaScript SDK, Compute Go SDK, and the Next-Gen WAF.

February 24, 2026
API Additions
Add Compute error metrics to Historical Stats and Real-Time Analytics APIs
February 24, 2026
JavaScript SDK Fixes
JavaScript SDK 3.40.1
February 20, 2026
API Additions
Add Image Optimizer format counting metrics
February 17, 2026
JavaScript SDK Fixes Additions
JavaScript SDK 3.40.0
February 17, 2026
Next-Gen WAF agent Changes
Next-Gen WAF agent 4.75.0
February 13, 2026
JavaScript SDK Fixes
JavaScript SDK 3.39.4
February 12, 2026
JavaScript SDK Fixes
JavaScript SDK 3.39.3
February 9, 2026
JavaScript SDK Fixes
JavaScript SDK 3.39.1
February 9, 2026
JavaScript SDK Fixes
JavaScript SDK 3.39.2
February 5, 2026
Next-Gen WAF for Node.js Changes
Next-Gen WAF for Node.js 2.4.1