Buoyant Enterprise for Linkerd

enterprise-2.17.3

July 23, 2025

The 2.17.3 stable point release includes bugfixes and minor improvements.

Previous release: enterprise-2.17.2.

Supported Kubernetes versions

For this release, the minimum supported Kubernetes version remains 1.22, and the maximum supported Kubernetes version remains 1.32.

Who should upgrade?

Customers using BEL 2.17.0–2.17.2 should upgrade as soon as possible to take advantage of stability fixes and increased resiliency in 2.17.3. All other customers should upgrade at their convenience.

Upgrade guidance

This is a stable point release designed to introduce minimal change. Please see the instructions in Upgrading BEL for how to upgrade.

To upgrade with BEL’s lifecycle automation operator, you will need Buoyant Extension version v0.36.0 or later.

Changelog

  • Fix a bug that causes some duplicate proxy metrics when upgrading to future versions (linkerd2-proxy#3987)
  • Increase proxy connection retry maximum backoff durations (linkerd2-proxy#3992)
  • Skip invalid Server resources by logging the skipped Server and continuing with other valid Servers (linkerd2#14195)
  • Implement a lower default limit of 10K outbound idle connections per-host (linkerd2-proxy#4005)
  • Implement a lower default limit of 10K inbound connections per-workload (linkerd2-proxy#4007)