Concise summaries of official AWS update announcements for Amazon ECS.
Information as of November 3, 2026.
Amazon ECS Managed Instances now offers cross-instance and Spot consolidation, optimizing resource utilization and reducing costs by repacking tasks across multiple instances and Spot capacity.
Amazon ECS introduces LiveTaskCount, a new service metric reporting actively running tasks, available at no cost. RunningTaskCount metric in CloudWatch Container Insights is now free for all users.
Amazon ECS now supports built-in blue/green, linear, and canary deployment strategies using Amazon VPC Lattice, enabling managed traffic shifting natively for applications communicating across VPCs and AWS accounts during updates.
Amazon ECS now offers real-time service deployment observability in the Amazon ECS Console for native Linear, Canary, and Blue/Green deployment strategies, consolidating deployment monitoring and troubleshooting in one place.
Amazon ECS Express Mode now allows specifying ARM64 as the CPU architecture, enabling easy deployment of ARM-based container images on AWS Graviton-powered compute.
Amazon ECS now supports Early Success Criteria for rolling service deployments, allowing users to define when a deployment is considered successful based on healthy task percentages, enabling faster deployment completion and unlocking subsequent operations.
Amazon ECS now allows configuration of non-critical managed daemons on ECS managed instances, ensuring mission-critical application tasks continue uninterrupted even when daemons fail, stop, or become unhealthy.
Amazon ECS automates detection and recovery of agent connectivity issues, improving application availability
Amazon ECS enables GPU partitioning as small as one-eighth of an NVIDIA L4 GPU on G6f instances, ideal for small AI inference and model experimentation
AWS CodeDeploy is now available in five new regions, allowing developers and DevOps engineers to deploy applications with lower latency.
Amazon ECS Service Connect introduces zone-aware routing, prioritizing service-to-service traffic within the same Availability Zone to reduce cross-AZ data transfer costs and latency
Amazon ECS now supports built-in blue/green, linear, and canary deployment strategies in the AWS European Sovereign Cloud, enabling safer software updates and faster releases for containerized applications
Amazon ECS introduces Action Logs, delivering detailed records of service-side operations during deployments and managed daemon updates to improve monitoring and troubleshooting
Amazon ECS Managed Instances now offers a 35% reduction for G-series and 60% reduction for P-series and AWS Trainium instances, applying automatically to existing customers with no action required
Amazon ECS now allows customization of deployment circuit breaker settings, enabling users to define failure thresholds as fixed counts or percentages and choose between consecutive or cumulative failure counting models.
Amazon ECS offers real-time deployment monitoring in the console, enabling users to track progress, health, and diagnose failures directly
Amazon ECS Express Mode now supports custom task definitions, allowing the use of existing ECS application configurations and advanced task-level customizations. This enables reuse of task definitions from existing CI/CD pipelines and infrastructure-as-code workflows.
Amazon GuardDuty Runtime Monitoring now includes new threat detections for sensitive file modifications on Amazon EC2, EKS, and ECS, helping identify post-compromise attacker activities.
AWS Network Firewall introduces container attribute-based rules for Amazon EKS and ECS, simplifying security for containerized workloads by using native container constructs instead of IP-based rules.
Amazon ECS service auto scaling now detects and responds to load changes faster with support for high resolution (20-second) metrics and metric publishing optimizations
Amazon ECS Express Mode enables developers to rapidly launch containerized applications, providing an AWS domain name, HTTPS support, and automatic scaling based on traffic patterns.
Amazon ECS Managed Daemons now allow configuration of pidMode and ipcMode settings, enabling daemon processes to access instance-wide resources and shared namespaces with other containers
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