Which software versions does HiveMQ recommend?
HiveMQ recommends using the latest or 2nd latest Java, Kubernetes and operator versions unless recommended otherwise by your cloud provider.
For Release 4.x - The latest release of OpenJDK 11 is recommended.
Azure AKS
Supported K8s Versions Supported Kubernetes versions in Azure Kubernetes Service (AKS). - Azure Kubernetes Service
Known issues Azure Kubernetes Service (AKS) common issues FAQ
AWS EKS
Supported K8s Versions - https://docs.aws.amazon.com/eks/latest/userguide/kubernetes-versions.html
Known Issues - https://docs.aws.amazon.com/eks/latest/userguide/troubleshooting.html
Known Issues- https://docs.aws.amazon.com/AmazonECS/latest/developerguide/troubleshooting.html
GCP GKE
Supported Versions - GKE release notes | Google Kubernetes Engine (GKE) | Google Cloud
Known Issues - Troubleshooting pages | Google Kubernetes Engine (GKE) | Google Cloud