Since some performace and operational issues came up with Apache, the decission was made to switch to Nginx Proxy Manager.
But also with this new reverse proxy some ops problems occured, but the Let's Encrypt support out of the box made the day.
No issues whatsoever by manually upgrading by means of istioctl and redeploying affected workloads resp. pods in the K3s Kubernetes cluster. Announcing Istio 1.23.2
Manual patch upgrade and OS update without node reboot without any issues only on intel architecture. v1.30.5+k3s1
No problems deploying Prometheus Helm chart to Proxmox VE K3s Kubernetes cluster via Helm Chart and Flux V2 reconciliation in a GitOps approach. v0.76.1 Helm Chart 62.7.0
No problems deploying to Proxmox VE K3s Kubernetes cluster via Helm Chart and Flux V2 reconciliation in a GitOps approach. Application v7.6.0 Helm Chart 7.7.18 Helm Chart 7.7.19 Helm Chart 7.7.20 Helm Chart 7.7.21