New and notableedit
New and notable changes in version 1.9.1 of Elastic Cloud on Kubernetes. See Elastic Cloud on Kubernetes version 1.9.1 for the full list of changes.
Mitigate CVE-2021-44228 in vulnerable Elasticsearch clustersedit
This release introduces a preemptive measure to mitigate Log4Shell vulnerability in Elasticsearch versions below
On Openshift versions 4.6 and below, upon installing/upgrading to 1.9.[0,1], the operator will be stuck in a state of
Installingwithin the Openshift UI, and seen in a
CrashLoopBackoffwithin Kubernetes because of Webhook certificate location mismatches. More information and work-around can be found in the issue.