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Linkerd

edge-26.7.1Networking & Messaging
Jul 21, 2026

Linkerd edge-26.7.1 is a routine edge release with a breaking change in the destination subsystem that disallows requests to undefined service ports. The release includes proxy v2.362.0, several bug fixes (trace identity, RSA validation), dependency updates, and a new Gateway API requirement in the CLI.

  • breakingDestination subsystem disallows requests to undefined service ports

    Requests to undefined service ports are now disallowed on the destination subsystem. This is a breaking change that applies unconditionally; workloads relying on requests to ports not explicitly defined in the service will fail.

Key changes (8)

  • Breaking: destination subsystem now disallows requests to undefined service ports
  • Proxy bumped to v2.362.0
  • Trace-collector identity now built from cluster domain instead of trust domain
  • Switched to linkerd-kubert git dependencies
  • RSA key size validation corrected
  • CNI-plugin version updated
  • Gateway API check added to CLI
  • Web/app dev dependencies updated (webpack, Babel, etc.)
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