Announcing Istio 1.21.2

Istio 1.21.2 patch release.

Apr 22, 2024

This release implements the security updates described in our 22nd of April post, ISTIO-SECURITY-2024-003 along with bug fixes to improve robustness.

This release note describes what’s different between Istio 1.21.1 and 1.21.2.

BEFORE YOU UPGRADE

Things to know and prepare before upgrading.

DOWNLOAD

Download and install this release.

DOCS

Visit the documentation for this release.

SOURCE CHANGES

Inspect the full set of source code changes.

Changes

Added pprof endpoints to profile the CNI pod (on port 9867). (Issue #49053)
Improved CNI memory usage by avoiding keeping large files in memory. (Issue #49053)