- Add dm_round_robin kernel module for Pure Storage multipath
- Uncomment and enable /etc/multipath.conf with Pure-specific settings
- Add apply-iscsi-config.sh script for rolling worker node updates
- Add comprehensive UPGRADES-AND-EXTENSIONS.md guide covering:
- System extensions via schematics and Image Factory
- Talos version upgrade procedures (control plane + workers)
- Kubernetes version upgrades
- Rolling upgrade best practices
- Troubleshooting common upgrade issues
- Add rolling-upgrade-workers.sh script for automated worker upgrades
- Includes safe wait times and confirmation prompts