istio(1.28.1): Critical Stability Fixes and Gateway API Enhancements for Ambient Mesh
📋 Recommended Actions ⚠️ Action Required Immediate upgrade is highly recommended for all users to benefit from critical stability fixes, especially concerning multi-revision deployments and Gateway API status reporting. Review new InferencePool capabilities to enhance AI/ML workloads. 📝 Summary Istio 1.28.1 delivers essential stability fixes and powerful Gateway API enhancements. This patch release addresses critical issues in multi-revision environments, preventing status conflicts for Gateway API resources like HTTPRoutes. It also resolves a persistent SDS (Secret Discovery Service) WARMING state bug, crucial for secure certificate management. Ambient Mesh users will find significant improvements in service overlap resolution, ensuring Kubernetes Services take precedence over ServiceEntries, and more accurate endpoint discovery within scoped networks. A long-standing bug preventing HTTP servers from routing on the same port as an HTTPS server (but with different binds) has been fixed, enhancing gateway flexibility. Furthermore, the Gateway API Inference Extension now supports multiple targetPorts, a key feature for modern AI/ML workloads. Multiple dependency bumps and cleanup items are also included. Upgrading is a straightforward step to ensure a more robust and predictable Istio deployment. ...