Announcing Istio 1.9.9

Istio 1.9.9 patch release.

Oct 8, 2021

This is the final release of Istio 1.9. We urge you to upgrade to the latest Istio supported version, Istio (1.24).

This release contains bug fixes to improve robustness. This release note describes what’s different between Istio 1.9.8 and Istio 1.9.9.

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 JWT unauthorized responses to now include a www-authenticate header, according to the RFC 6750 specification.
Fixed Istiod memory leak after proxies have disconnected.
Fixed DestinationRule updates not triggering an update for AUTO_PASSTHROUGH listeners on gateways.