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DOCS-2939: Publish Calico Enterprise 3.21.8 #2747

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28fb1b6
Prepare for release CE 3.21.8
ctauchen May 22, 2026
2db30ae
Add release notes
rene-dekker May 25, 2026
98c0b18
Update release date and operator version
danudey May 25, 2026
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11 changes: 11 additions & 0 deletions calico-enterprise_versioned_docs/version-3.21-2/release-notes/index.mdx
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Expand Up @@ -268,3 +268,14 @@

To update an existing installation of Calico Enterprise 3.21, see [Install a patch release](../getting-started/manifest-archive.mdx).

### Calico Enterprise 3.21.8 hotfix release

May 25, 2026

#### Bug fixes

* Fixes an issue where `HostEndpoint` policies block UDP return traffic for SNAT'd pod egress when using the eBPF dataplane.

Check failure on line 277 in calico-enterprise_versioned_docs/version-3.21-2/release-notes/index.mdx

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GitHub Actions / runner / vale 

[vale] reported by reviewdog 🐶
[CalicoStyle.Substitutions] Use 'data plane' instead of 'dataplane'.

Raw Output:
{"message": "[CalicoStyle.Substitutions] Use 'data plane' instead of 'dataplane'.", "location": {"path": "calico-enterprise_versioned_docs/version-3.21-2/release-notes/index.mdx", "range": {"start": {"line": 277, "column": 115}}}, "severity": "ERROR"}

Check failure on line 277 in calico-enterprise_versioned_docs/version-3.21-2/release-notes/index.mdx

View workflow job for this annotation

GitHub Actions / runner / vale 

[vale] reported by reviewdog 🐶
[Vale.Spelling] Did you really mean 'dataplane'?

Raw Output:
{"message": "[Vale.Spelling] Did you really mean 'dataplane'?", "location": {"path": "calico-enterprise_versioned_docs/version-3.21-2/release-notes/index.mdx", "range": {"start": {"line": 277, "column": 115}}}, "severity": "ERROR"}
* Fix Kibana crashloop when upgrading from Calico Enterprise 3.20 or earlier to 3.21. The orphan `ingest_manager_settings` saved object left by Fleet 7.17 is now discarded during Kibana 8.x saved-object migration.

Check failure on line 278 in calico-enterprise_versioned_docs/version-3.21-2/release-notes/index.mdx

View workflow job for this annotation

GitHub Actions / runner / vale 

[vale] reported by reviewdog 🐶
[Vale.Spelling] Did you really mean 'crashloop'?

Raw Output:
{"message": "[Vale.Spelling] Did you really mean 'crashloop'?", "location": {"path": "calico-enterprise_versioned_docs/version-3.21-2/release-notes/index.mdx", "range": {"start": {"line": 278, "column": 14}}}, "severity": "ERROR"}

To update an existing installation of Calico Enterprise 3.21, see [Install a patch release](../getting-started/manifest-archive.mdx).

265 changes: 265 additions & 0 deletions calico-enterprise_versioned_docs/version-3.21-2/releases.json
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@@ -1,4 +1,269 @@
[
{
"title": "v3.21.8",
"tigera-operator": {
"version": "v1.38.15",
"image": "tigera/operator",
"registry": "quay.io"
},
"calico": {
"minor_version": "v3.30",
"archive_path": "archive"
},
"components": {
"alertmanager": {
"version": "v3.21.8",
"image": "tigera/alertmanager"
},
"calicoctl": {
"version": "v3.21.8",
"image": "tigera/calicoctl"
},
"calicoq": {
"version": "v3.21.8",
"image": "tigera/calicoq"
},
"cnx-apiserver": {
"version": "v3.21.8",
"image": "tigera/cnx-apiserver"
},
"cnx-kube-controllers": {
"version": "v3.21.8",
"image": "tigera/kube-controllers"
},
"cnx-manager": {
"version": "v3.21.8",
"image": "tigera/cnx-manager"
},
"cnx-manager-proxy": {
"version": "v3.21.8",
"image": "tigera/cnx-manager-proxy"
},
"cnx-node": {
"version": "v3.21.8",
"image": "tigera/cnx-node"
},
"cnx-node-windows": {
"version": "v3.21.8",
"image": "tigera/cnx-node-windows"
},
"cnx-queryserver": {
"version": "v3.21.8",
"image": "tigera/cnx-queryserver"
},
"compliance-benchmarker": {
"version": "v3.21.8",
"image": "tigera/compliance-benchmarker"
},
"compliance-controller": {
"version": "v3.21.8",
"image": "tigera/compliance-controller"
},
"compliance-reporter": {
"version": "v3.21.8",
"image": "tigera/compliance-reporter"
},
"compliance-server": {
"version": "v3.21.8",
"image": "tigera/compliance-server"
},
"compliance-snapshotter": {
"version": "v3.21.8",
"image": "tigera/compliance-snapshotter"
},
"coreos-alertmanager": {
"version": "v0.28.1"
},
"coreos-config-reloader": {
"version": "v0.91.0"
},
"coreos-dex": {
"version": "v2.41.1"
},
"coreos-fluentd": {
"version": "1.19.2"
},
"coreos-prometheus": {
"version": "v2.55.1"
},
"coreos-prometheus-operator": {
"version": "v0.91.0"
},
"csi": {
"version": "v3.21.8",
"image": "tigera/csi"
},
"csi-node-driver-registrar": {
"version": "v3.21.8",
"image": "tigera/node-driver-registrar"
},
"deep-packet-inspection": {
"version": "v3.21.8",
"image": "tigera/deep-packet-inspection"
},
"dex": {
"version": "v3.21.8",
"image": "tigera/dex"
},
"dikastes": {
"version": "v3.21.8",
"image": "tigera/dikastes"
},
"eck-elasticsearch": {
"version": "8.19.15"
},
"eck-elasticsearch-operator": {
"version": "2.16.1"
},
"eck-kibana": {
"version": "8.19.15"
},
"egress-gateway": {
"version": "v3.21.8",
"image": "tigera/egress-gateway"
},
"elastic-tsee-installer": {
"version": "v3.21.8",
"image": "tigera/intrusion-detection-job-installer"
},
"elasticsearch": {
"version": "v3.21.8",
"image": "tigera/elasticsearch"
},
"elasticsearch-metrics": {
"version": "v3.21.8",
"image": "tigera/elasticsearch-metrics"
},
"elasticsearch-operator": {
"version": "v3.21.8",
"image": "tigera/eck-operator"
},
"envoy": {
"version": "v3.21.8",
"image": "tigera/envoy"
},
"envoy-init": {
"version": "v3.21.8",
"image": "tigera/envoy-init"
},
"es-gateway": {
"version": "v3.21.8",
"image": "tigera/es-gateway"
},
"firewall-integration": {
"version": "v3.21.8",
"image": "tigera/firewall-integration"
},
"flexvol": {
"version": "v3.21.8",
"image": "tigera/pod2daemon-flexvol"
},
"fluentd": {
"version": "v3.21.8",
"image": "tigera/fluentd"
},
"fluentd-windows": {
"version": "v3.21.8",
"image": "tigera/fluentd-windows"
},
"gateway-api-envoy-gateway": {
"version": "v3.21.8",
"image": "tigera/envoy-gateway"
},
"gateway-api-envoy-proxy": {
"version": "v3.21.8",
"image": "tigera/envoy-proxy"
},
"gateway-api-envoy-ratelimit": {
"version": "v3.21.8",
"image": "tigera/envoy-ratelimit"
},
"guardian": {
"version": "v3.21.8",
"image": "tigera/guardian"
},
"ingress-collector": {
"version": "v3.21.8",
"image": "tigera/ingress-collector"
},
"intrusion-detection-controller": {
"version": "v3.21.8",
"image": "tigera/intrusion-detection-controller"
},
"key-cert-provisioner": {
"version": "v3.21.8",
"image": "tigera/key-cert-provisioner"
},
"kibana": {
"version": "v3.21.8",
"image": "tigera/kibana"
},
"l7-admission-controller": {
"version": "v3.21.8",
"image": "tigera/l7-admission-controller"
},
"l7-collector": {
"version": "v3.21.8",
"image": "tigera/l7-collector"
},
"license-agent": {
"version": "v3.21.8",
"image": "tigera/license-agent"
},
"linseed": {
"version": "v3.21.8",
"image": "tigera/linseed"
},
"packetcapture": {
"version": "v3.21.8",
"image": "tigera/packetcapture"
},
"policy-recommendation": {
"version": "v3.21.8",
"image": "tigera/policy-recommendation"
},
"prometheus": {
"version": "v3.21.8",
"image": "tigera/prometheus"
},
"prometheus-config-reloader": {
"version": "v3.21.8",
"image": "tigera/prometheus-config-reloader"
},
"prometheus-operator": {
"version": "v3.21.8",
"image": "tigera/prometheus-operator"
},
"tigera-cni": {
"version": "v3.21.8",
"image": "tigera/cni"
},
"tigera-cni-windows": {
"version": "v3.21.8",
"image": "tigera/cni-windows"
},
"tigera-prometheus-service": {
"version": "v3.21.8",
"image": "tigera/prometheus-service"
},
"typha": {
"version": "v3.21.8",
"image": "tigera/typha"
},
"ui-apis": {
"version": "v3.21.8",
"image": "tigera/ui-apis"
},
"voltron": {
"version": "v3.21.8",
"image": "tigera/voltron"
},
"webhooks-processor": {
"version": "v3.21.8",
"image": "tigera/webhooks-processor"
}
}
},
{
"title": "v3.21.7",
"tigera-operator": {
Expand Down
6 changes: 3 additions & 3 deletions calico-enterprise_versioned_docs/version-3.21-2/variables.js
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Expand Up @@ -2,13 +2,13 @@ const releases = require('./releases.json');
const componentImage = require('../../src/components/utils/componentImage');

const variables = {
releaseTitle: 'v3.21.7',
releaseTitle: 'v3.21.8',
prodname: 'Calico Enterprise',
prodnamedash: 'calico-enterprise',
version: 'v3.21',
openSourceVersion: releases[0].calico.minor_version.slice(1),
baseUrl: '/calico-enterprise/3.21',
filesUrl: 'https://downloads.tigera.io/ee/v3.21.7',
filesUrl: 'https://downloads.tigera.io/ee/v3.21.8',
rpmsUrl: 'https://downloads.tigera.io/ee/rpms/' + releases[0].title.slice(0, 5),
tutorialFilesURL: 'https://docs.tigera.io/files',
tmpScriptsURL: 'https://docs.tigera.io/calico-enterprise/3.21',
Expand All @@ -20,7 +20,7 @@ const variables = {
rootDirWindows: 'C:\\TigeraCalico',
registry: 'quay.io/',
envoyVersion: '1.3.2',
chart_version_name: 'v3.21.7-0',
chart_version_name: 'v3.21.8-0',
tigeraOperator: releases[0]['tigera-operator'],
dikastesVersion: releases[0].components.dikastes.version,
releases,
Expand Down