Announcing Istio 1.28.3

Istio 1.28.3 patch release.

Jan 19, 2026

This release contains bug fixes to improve robustness. This release note describes what’s different between Istio 1.28.2 and 1.28.3.

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

Added service.selectorLabels field to gateway Helm chart for custom service selector labels during revision-based migrations.
Fixed an issue with goroutine memory leaks in ambient mode. (Issue #58478)
Fixed an issue in ambient multicluster where informer failures for remote clusters wouldn’t be fixed until an istiod restart. (Issue #58047)
Fixed an issue with crashing NFT operations and pod deletion failures. (Issue #58492)