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Varnish Controller 7.1.5 Release

Published September 11, 2025.
  • Build with Go 1.25
  • NATS-Server version 2.11.8
  • Support for 0.0.0.0/0 and ::/0 in CIDR routing decision.
  • Failing ACME renewals are not retried for an extended period of time.
  • Domain-maps and CIDR rule CSV files now supports variable number of fields.
  • Invalidations that has no domain and is not root deployed will now fail on create.
  • Extended debug information for ACME HTTP challenges.
  • Configurable timeout for ACME HTTP requests (configured in brainz).
  • Log warning instead of error when an invalidation has already been removed during monitoring.
  • Fix built-in root VCL to allow delivering ACME validation solutions for both routers and agents.
  • Minor API documentation fixes for deployment states.
  • ACME certificates are now possible to validate over HTTP via routed requests through the traffic router.
    • Note: If a custom root.vcl is being used, it will require modifications to allow ACME HTTP challenges to be served.

See Varnish Controller Changelog for more details on the changes and the upgrade notes for more details on how to upgrade.


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