Merge branch 'main' into update-rest-doc

docs/reference/announcements.md

@@ -108,6 +108,10 @@ An example of how to use the new `CorrelationResult` can be found in the [Connec
 
 The separated Ingress Helm configuration for Camunda 8 Self-Managed has been deprecated in 8.6, and will be removed from the Helm chart in 8.7. Only the combined Ingress configuration is officially supported. See the [Ingress guide](/self-managed/setup/guides/ingress-setup.md) for more information on configuring a combined Ingress setup.
 
+#### Helm chart - `global.multiregion.installationType` deprecation
+
+The `global.multiregion.installationType` option is used in failover and failback scenarios. This option in the Helm chart has been deprecated in 8.6, and will be removed from the Helm chart in 8.7. `global.multiregion.installationType` was replaced with a set of API endpoints called while following the ([dual-region operational procdure](/self-managed/operational-guides/multi-region/dual-region-ops.md))
+
 #### Helm chart - Elasticsearch nodes number
 
 The default value of Elasticsearch deployment pods has changed from 2 to 3, and an affinity setting has been added to avoid scheduling Elasticsearch pods on the same Kubernetes worker.