AWS Releases

Amazon Web Services releases and Terraform AWS provider. New features, breaking changes, security advisories and deprecations - each summarised in plain English and updated continuously.

Tracking 680 AWS releases · Updated

  • AWS What's New infraawsengineerhealthcare ·

    Amazon EMR Serverless supports live configuration updates

    Amazon EMR Serverless now allows live updates to key application configurations like maximum capacity and custom images without requiring application restarts. This change reduces operational overhead and allows for immediate responses to changing demands or image updates. The feature is available for all EMR releases and regions where EMR Serverless is supported.

    feature
  • Terraform AWS Provider Releases terraforminfraawsaws-ec2 ·

    Terraform AWS Provider v6.52.0 Enhances S3, Bedrock, DynamoDB, and Fixes Bugs

    HashiCorp's Terraform AWS Provider has released version 6.52.0, introducing new resources and data sources for S3, Bedrock, and DynamoDB, alongside numerous enhancements and bug fixes. Key updates include improved handling of LakeFormation permissions for views, a new random generator for provider names, and fixes for ElastiCache and CloudWatch Log Delivery issues. These changes primarily affect engineers and architects managing AWS infrastructure via Terraform, with some requiring manual state reconciliation for specific Serverless Application Repository deployments.

    feature patch announcement
  • AWS What's New infraawsgaarchitectaws-ec2 ·

    Amazon EC2 High Memory U7in Instances Available in Seoul

    Amazon EC2 High Memory U7in-24TB instances are now available in the AWS Asia Pacific (Seoul) region. These instances provide 24 TiB of DDR5 memory and custom Intel Xeon Scalable processors, offering up to 45% better price performance than previous generations. They are designed for mission-critical in-memory databases and support high bandwidth for EBS and networking.

    feature
  • AWS What's New infraawsengineer ·

    Amazon Neptune adds CloudFormation support for global databases

    AWS CloudFormation now supports Neptune global databases, allowing users to provision and manage multi-region graph database topologies as code. This feature automates deployment, enables source control integration, and fits into CI/CD pipelines, benefiting global read access, disaster recovery, and high availability. It is available in all regions supporting Neptune global databases.

    feature
  • AWS What's New infraawsengineer ·

    MSK Replicator adds mTLS for external Kafka to MSK Express

    Amazon MSK Replicator now supports mutual TLS (mTLS) authentication, allowing replication from external Kafka clusters to MSK Express brokers. This enhances hybrid and multi-cloud data migration, disaster recovery, and distribution scenarios. Previously limited to SASL/SCRAM, this feature expands connectivity options for migrating workloads and ensures data integrity during replication. It is available in all AWS Regions where MSK Express brokers are offered.

    feature
  • AWS What's New infraawsengineer ·

    AWS Transform for Migrations Expands Target Regions

    AWS Transform for migrations now allows users to select any AWS commercial region as a migration target, simplifying deployment for data residency and workload distribution. This expansion benefits customers by offering greater flexibility in choosing where their migrated resources are deployed. The feature is now available within the AWS Transform for migrations workflow, enabling users to pick from an expanded list of regions worldwide. This update aims to ease the process of meeting compliance and performance needs.

    feature
  • AWS What's New infraawsgaengineeraws-lambda ·

    AWS Lambda MicroVMs Offer Isolated, Fast, State-Preserving Compute

    AWS Lambda MicroVMs introduce a new serverless compute primitive offering VM-level isolation, rapid launch and resume speeds, and state preservation. This enables developers to securely run user or AI-generated code in isolated environments without managing virtualization infrastructure, addressing needs for multi-tenant applications like coding assistants and data analytics. Previously, developers had to compromise between isolation, speed, or state retention, but MicroVMs provide all without trade-offs. The feature is available today in select AWS Regions.

    feature
  • AWS What's New infraawsengineeraws-ec2 ·

    AWS Batch adds ordered instance allocation strategies

    AWS Batch now supports Best Fit Progressive Ordered (BFPO) and Spot Capacity Optimized Prioritized (SCOP) instance allocation strategies. These features allow users to manually define instance type ordering for compute environments, offering more control over workload performance characteristics. The updates are available via the AWS Batch API and Management Console in all AWS Regions.

    feature
  • AWS What's New infraawsengineer ·

    AWS Network Firewall defaults to safer stateful drop action

    AWS Network Firewall has updated its default stateful action for new policies from 'Application drop established (bidirectional)' to 'Application drop established (server-directed only)'. This change improves connection reliability by preventing accidental drops of legitimate server-to-client packets that previously caused intermittent failures. Existing policies are unaffected, but users requiring the previous behavior for specific scenarios like PQC handshakes can consult documentation for guidance. The update is available across all AWS Regions.

    patch
  • AWS What's New infraawsengineeraws-ec2 ·

    AWS Parallel Computing Service adds NVIDIA Blackwell UltraServer support

    AWS Parallel Computing Service (PCS) now supports the new Amazon EC2 P6e-GB200 and P6e-GB300 UltraServer instances, which utilize NVIDIA Blackwell architecture. This enhancement allows customers to run large-scale GPU workloads within Slurm-managed clusters, simplifying HPC deployment and scaling. The new servers offer significant GPU memory and compute capabilities, with availability in regions supporting both PCS and EC2 Capacity Blocks for UltraServers.

    feature
  • AWS What's New infraawsgaaws-s3aws-ec2aws-eksaws-ecs ·

    AWS Local Zone in Hanoi, Vietnam launches generally available

    AWS announced the general availability of a new Local Zone in Hanoi, Vietnam, extending AWS infrastructure closer to end users. This zone is notable for being one of the first in APAC to support Amazon S3 and EBS Local Snapshots, aiding data residency requirements. It offers low-latency access to core services like EC2, S3, and EBS for various workloads, and can be enabled via the AWS console or API.

    feature announcement
  • AWS What's New infraawsengineer ·

    Amazon GameLift Servers: Container fleet improvements

    Amazon GameLift Servers now supports customizable Linux capabilities for containers and a new SDK action to discover co-located containers. These features enhance flexibility and inter-container communication for game server deployments, giving developers finer control over permissions and enabling seamless service discovery. The improvements are available in all supported AWS regions and work with server SDK 5.x and engine plugins.

    feature
  • AWS What's New infraawsengineer ·

    Amazon MSK Express brokers now support Intelligent Rebalancing on existing clusters

    Amazon MSK Provisioned clusters with Express brokers now support Intelligent Rebalancing on existing clusters at no additional cost. This feature automatically balances Kafka partitions for improved performance and capacity utilization without manual intervention. It is now available on all MSK Provisioned clusters with Express brokers in all AWS Regions where Express brokers are supported, benefiting engineers and architects managing Kafka workloads.

    feature
  • AWS What's New infraawsengineeraws-eksaws-iam ·

    Amazon EKS enables customer-routed control plane egress

    Amazon EKS now supports customer-routed control plane egress, allowing Kubernetes API server traffic to flow through your VPC. This enhances security and compliance by enabling control over routing, security groups, and egress paths for sensitive operations like webhook callbacks. It's particularly beneficial for organizations with strict data perimeter requirements or private network infrastructure. The feature is available in all EKS regions at no additional cost, configurable via the controlPlaneEgressMode setting.

    feature
  • AWS What's New infraawsgaengineeraws-ec2aws-ecs ·

    Amazon ECS enables faster service auto scaling with high-resolution metrics

    Amazon ECS service auto scaling now supports high-resolution (20-second) metrics, significantly reducing scale-out and provisioning times. This enhancement allows for reduced baseline capacity and lower compute costs while maintaining service reliability. The feature is available for CPU and memory utilization target tracking policies and is accessible across all AWS regions and compute options.

    feature patch
  • AWS What's New infraawsengineeraws-ec2 ·

    AWS Nested Virtualization Expands to More Intel Instances and GovCloud

    AWS has expanded nested virtualization support to more Intel-based EC2 instance types, including C7i, R7i, M7i, and their variants, along with the new X8i instances. This capability is also now available in US GovCloud regions (US-East and US-West), broadening its accessibility. Nested virtualization allows users to run hypervisors like KVM or Hyper-V on EC2 instances, enabling scenarios such as mobile app emulation, automotive hardware simulation, and WSL on Windows.

    feature
  • AWS What's New infraawsgaengineeraws-rds ·

    Amazon RDS adds M9g instances with Graviton5 processors

    Amazon RDS for PostgreSQL, MySQL, and MariaDB now supports M9g database instances, powered by AWS Graviton5 processors. These instances offer up to 30% performance improvement and up to 23% better price/performance compared to Graviton4 instances. The new instances are available in 24xlarge and 48xlarge sizes and are currently deployed in three AWS regions.

    feature patch
  • Terraform AWS Provider Releases terraforminfraawsgadeprecationengineeraws-s3 ·

    Terraform AWS Provider v6.51.0: New resources, enhancements, and bug fixes

    This release introduces new resources for AWS services like ACM, Bedrock Agent, and SageMaker Hub, along with several enhancements to existing resources, including EKS cluster configurations and CloudFront distributions. Several bug fixes are also included, addressing issues with ACM certificates, DMS S3 endpoints, and Elasticache replication groups, among others. Users should note a deprecation in the DMS S3 endpoint resource for KMS key ARN configurations.

    feature patch announcement
  • AWS What's New infraawsengineeraws-sagemaker ·

    AWS Glue Interactive Sessions adds Spark Connect support

    AWS Glue Interactive Sessions now supports Apache Spark Connect, enabling developers to run Spark applications from local IDEs and notebooks on AWS Glue's serverless infrastructure. This feature simplifies development workflows by decoupling client applications from the Spark execution environment, improving debugging and iterative development. It is available in specific AWS regions and provides enhanced observability.

    feature
  • AWS What's New infraawsengineermedia ·

    AWS Outposts adds AMD-based bmn-cx3a instances with accelerated networking

    AWS Outposts now supports bmn-cx3a instances, featuring 5th Gen AMD EPYC processors and NVIDIA ConnectX-7 for up to 800 Gbps network bandwidth. This enables high-throughput workloads like real-time data processing and media distribution for customers with second-generation Outposts racks. The instances are available globally where Outposts racks are supported.

    feature

About AWS release tracking on ReleaseBytes

AWS ships hundreds of service updates a month across EC2, Lambda, RDS, S3, EKS and the rest of the catalogue — far more than anyone can follow by reading the official What's New feed. ReleaseBytes ingests announcements from AWS's official release channels and the Terraform AWS provider changelog, summarises each one in plain English, and tags anything that is a breaking change, security advisory or deprecation so you can see at a glance whether it affects your workloads.

Frequently asked questions

How often are AWS release notes updated on ReleaseBytes?

Continuously. ReleaseBytes monitors the official AWS release channels around the clock and publishes a plain-English summary of each announcement shortly after it lands.

What kinds of AWS changes does ReleaseBytes track?

New features, enhancements, bug fixes, security advisories, breaking changes, deprecations and end-of-life announcements. Every item is tagged by type so you can filter to just the changes that need action.

How can I get alerts for new AWS releases?

Set up a free email or Slack alert filtered to AWS, subscribe to the weekly digest, or follow the RSS feed. Teams can also install the ReleaseBytes GitHub App or connect via MCP.

Where does the AWS release data come from?

From the official sources: Amazon Web Services releases and Terraform AWS provider. Every item links back to the original vendor announcement.