AWS News Jun 29 - Jul 05

This week: EC2 C9g instances debut with fifth-gen Graviton delivering 25% better performance, Claude Sonnet 5 arrives on Bedrock with superior coding and agentic capabilities, and CloudFormation express mode cuts deployments by up to 4x. Plus OpenSearch gets a purpose-built log analytics engine with 4x better price-performance, and ECS adds zone-aware routing to cut cross-AZ costs.

Compute

EC2 C9g/C9gd: Graviton 5, 25% faster than G4, 35% faster ML inference EC2 Dedicated Hosts: AMD SEV-SNP confidential computing support EC2 Auto Scaling: Reservations-then-balanced strategy for capacity reservations Time Sync: Microsecond accuracy on 26 more instance types AI/ML

Claude Sonnet 5: On Bedrock, better multi-file code changes, fewer corrections Bedrock AgentCore: 5K concurrent sessions, 200 interactions/sec default quotas Bedrock AgentCore Gateway: WAF integration for agent protection SageMaker: Serverless fine-tuning for Gemma 4 models (4B, 31B) SageMaker Inference: Auto image caching, 50% faster cold starts SageMaker HyperPod: Auto security patching, AMI version visibility Security Hub: 31 AI security controls for Bedrock/SageMaker GovCloud: GPT-5.4 (272K context), Nemotron 3 Super on Bedrock Containers

EKS: Minor version rollback within 7 days ECS Express Mode: Custom task definitions supported ECS: Zone-aware Service Connect routing, deployment timeline UI ECS: Configurable circuit breaker thresholds Network Firewall: Native container rules (namespace, labels) Storage & Data

S3 Logs: Direct to CloudWatch Logs and S3 Tables (Iceberg) OpenSearch: Log analytics engine, 4x price-performance, 70% less storage Neptune: Dual-stack IPv4/IPv6 support Operations

CloudFormation: Pre-deployment validation in seconds CloudFormation Express: 4x faster deploys (CloudFront in seconds) CloudWatch Logs: Auto tag enrichment, query-based alarms CloudWatch Pipelines: OpenTelemetry metric transformations Security

GuardDuty: File modification detection on EC2/EKS/ECS IAM Identity Center: Programmatic account access for apps RDS: Dynamic IAM auth scaling, no connection limits Networking

Interconnect Last Mile: Preview with AT&T, automated branch connectivity AWS News Feed: Whats new at AWS

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For detailed show notes check out awsnewsweekly.com