Announcing Istio 1.15.1

Istio 1.15.1 patch release.

Sep 23, 2022

This release contains bug fixes to improve robustness.

This release note describes what is different between Istio 1.15.0 and Istio 1.15.1.

Things to know and prepare before upgrading.

Download and install this release.

Visit the documentation for this release.

Inspect the full set of source code changes.

Changes

Fixed an issue where AddRunningKubeSourceWithRevision returns an error causing the Istio Operator to go into an error loop. (Issue #39599)
Fixed an issue where adding a ServiceEntry could affect an existing ServiceEntry with the same hostname. (Issue #40166)
Fixed an issue where user can not delete Istio Operator resource with revision if istiod is not running. (Issue #40796)
Fixed an issue when telemetry access logs is nil, will not fallback to use MeshConfig.
Fixed an issue that built-in provider should fallback to MeshConfig when format is unset.
Fixed an issue with where a DestinationRule applying to multiple services could incorrectly apply an unexpected subjectAltNames field. (Issue #40801)
Fixed a behavioral change in 1.15.0 causing the ServiceEntry SubjectAltName field to be ignored. (Issue #40801)
Improved xDS pushing to trigger partial pushes when scaling workloads down to zero instances and back up. (Issue #39652)
Added PILOT_ENABLE_K8S_SELECT_WORKLOAD_ENTRIES feature back to Istio which was removed in 1.14. Will persist until the use case is clarified and more permanent API added. (Pull Request #40716)