On all three nodes I upgraded Pi-hole successfully by means of fully automated Watchtower Docker container update.
On the CentOS 7 VM i had to recreate a sym-link to /etc/lighttpd/conf-enabled/99-unconfigured.conf within the container.
ln -s /etc/lighttpd/conf-available/99-unconfigured.conf /etc/lighttpd/conf-enabled/99-unconfigured.conf
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