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3. Changelog

This changelog provides information on changes across the Fastly platform, including to theVCL language, ourpublic API,CLI,Terraform provider,Compute Rust SDK,Compute JavaScript SDK,Compute Go SDK andNext-Gen WAF.

• December 16, 2025
  Next-Gen WAF agentChanges

  Next-Gen WAF agent 4.73.0

• November 20, 2025
  Next-Gen WAF agentChanges

  Next-Gen WAF agent 4.72.0

• November 6, 2025
  APIChanges

  Add mode parameter for DDoS Protection enablement

• November 6, 2025
  APIChanges

  Add traffic ramping support for Next-Gen WAF enablement

• October 9, 2025
  Next-Gen WAF agentChanges

  Next-Gen WAF agent 4.71.0

• October 6, 2025
  Next-Gen WAF for NGINX (Native)Changes

  Next-Gen WAF for NGINX (Native) 1.4.0

• September 30, 2025
  APIChanges

  Added roles attribute to user and invitation APIs

• September 30, 2025
  SustainabilityChanges

  Sustainability Dashboard updates

• September 22, 2025
  APIChanges

  Add limits on health check intervals

• September 11, 2025
  Next-Gen WAF agentChanges

  Next-Gen WAF agent 4.70.0