Announcing Istio 1.21.2

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.

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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)