Elastic Cloud on Kubernetes version 2.4.0

Breaking changes

Configure Elastic Agent host path volume to point to correct path #5890 (issue: #4428)

Fleet-managed Elastic Agents now default to use a hostPath volume for storing their state. This will prevent more than one Pod from the same Elastic Agent Deployment to be deployed on the same Kubernetes node. For cases where this is desired, the volume type can be changed to an emptyDir volume. Check the docs to learn more.

New features

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Introduce ECK-managed resources Helm Charts #5781 (issue: #5505)

Enhancements

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Add new operator flag to control Elasticsearch health observation intervals #5861 (issue: #5839)
Make xpack.security.http.ssl.client_authentication an unsupported setting #5852 (issue: #5817)
Use static transaction names for APM #5850 (issue: #5840)
Create Elastic Agent enrolment tokens in the operator #5846 (issue: #5779)
Support RevisionHistoryLimit for all ECK-managed resources #5818 (issue: #5789)
Stricter notion of esReacheable: require health response #5796 (issue: #5776)
Increase default Beats guaranteed memory to 300Mi #5793 (issue: #5036)

Bug fixes

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Move first ES cluster state observation out of go routine #5783 (issue: #5812)
Check shard activity before removing a node #5758 (issues: #3070, #5713)

Documentation improvements

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Remove experimental label from Elastic Agent docs #5894
Improve "Operator crashes on startup with OOMKilled" docs section #5836
Expose recipes in ECK product documentation #5763 (issue: #5012)
Fix minimum Helm supported version 3.2.0 in README #5753

Misc

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Update dependency docker.io/library/golang to v1.18.5 #5907
Update k8s to v0.24.3 #5904
Update module sigs.k8s.io/kustomize/kyaml to v0.13.8 #5900
Update module helm.sh/helm/v3 to v3.9.2 #5876
Update dependency golang to v1.18.4 #5873
Update dependency registry.access.redhat.com/ubi8/ubi-minimal to v8.6-854 #5855
Update module sigs.k8s.io/controller-tools to v0.9.1 #5842
Update module github.com/elastic/go-ucfg to v0.8.6 #5841
Update module sigs.k8s.io/controller-runtime to v0.12.2 #5828
Update module github.com/google/go-containerregistry to v0.10.0 #5821
Update module k8s.io/klog/v2 to v2.70.0 #5819
Update module github.com/spf13/cobra to v1.5.0 #5811
Update module github.com/prometheus/common to v0.35.0 #5808
Update module github.com/stretchr/testify to v1.7.3 #5807
Update module github.com/hashicorp/vault/api to v1.7.2 #5761

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