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 681 AWS releases · Updated
- AWS What's New infraawsengineeraws-eks ·
Amazon EKS supports Kubernetes version rollback
Amazon EKS now enables users to roll back to a previous Kubernetes minor version within 7 days post-upgrade, offering a safety net for production validation. This feature includes automated readiness checks and automatic worker node rollback for EKS Auto Mode clusters. It is available at no additional cost across all EKS regions.
feature - AWS What's New aiawsengineeraws-bedrock ·
Amazon Bedrock AgentCore expands to four new AWS Regions
Amazon Bedrock AgentCore, a platform for building and optimizing agents, is now available in four additional AWS Regions: Asia Pacific (Bangkok), Asia Pacific (Malaysia), Europe (Milan), and Europe (Spain). This expansion allows customers in these regions to deploy agents with lower latency and closer proximity to their end users. All core AgentCore capabilities, including runtime, security, and tool connectivity, are available at launch in these new regions.
feature announcement - AWS What's New securityawspreviewengineer ·
AWS Security Agent expands to new regions with threat modeling and code review
AWS Security Agent, now part of AWS Continuum, is now available in three new AWS regions: Asia Pacific (Mumbai), Asia Pacific (Singapore), and South America (São Paulo). This expansion offers customers enhanced security capabilities, including preview features for STRIDE-based threat modeling and full-repo/PR-level code reviews across popular platforms. On-demand penetration testing and simulated validation (US East only) are also available, aiming to scale security expertise alongside development velocity.
feature announcement - Terraform AWS Provider Releases terraforminfraawspreviewdeprecationengineerretailaws-bedrock ·
Terraform AWS Provider v6.53.0: New Bedrock features, breaking changes, and enhancements
Terraform AWS Provider v6.53.0 introduces new data sources and resources for AWS Bedrock, alongside breaking changes in Pinpoint SMS Voice V2 phone number management. It also includes several enhancements and bug fixes across services like API Gateway, ECS, and CloudWatch. Users should review the breaking changes and deprecations for potential impact on their infrastructure as code.
breaking feature patch announcement - AWS What's New observabilityawsengineer ·
CloudWatch pipelines adds OpenTelemetry metric processing and enrichment
Amazon CloudWatch pipelines now supports processing and enriching OpenTelemetry metrics during ingestion, eliminating the need for custom processing layers. This feature allows users to centrally apply metric transformations, add business context, reduce storage costs by stripping high-cardinality labels, and enforce naming conventions. The OTel metric processing is available in all supported AWS Regions at no additional cost beyond standard ingestion pricing.
feature - AWS What's New aiawsengineeraws-bedrock ·
Claude Sonnet 5 now available on AWS via Bedrock and Claude Platform
Anthropic's Claude Sonnet 5, their most capable Sonnet model yet, is now accessible on AWS through Amazon Bedrock and Claude Platform. This model offers enhanced performance for coding, agentic tasks, and professional knowledge work at Sonnet pricing. Customers can choose Bedrock for AWS-managed features and data residency or Claude Platform for direct access to Anthropic's native experience with AWS billing and authentication.
feature announcement - AWS What's New awsgaengineeraws-ec2 ·
Amazon EC2 C9g and C9gd Instances with Graviton5 Processors Generally Available
Amazon EC2 C9g and C9gd instances, powered by fifth-generation AWS Graviton5 processors, are now generally available. These instances offer up to 25% better compute performance and are optimized for compute-intensive workloads like HPC, databases, and ML inference. They are available in select AWS regions and can be purchased through various pricing models, with availability starting today.
feature announcement - AWS What's New observabilityawsengineer ·
CloudWatch Logs adds resource tag enrichment to log events
Amazon CloudWatch Logs now automatically enriches log events with AWS resource tags at ingestion time. This feature simplifies filtering, searching, and analysis of logs using metadata like team ownership or environment, eliminating the need for custom pipelines or manual instrumentation changes. Tag enrichment is available in most commercial AWS Regions at no additional cost, requiring only a simple enablement setting.
feature patch - AWS What's New infraawsengineeraws-cloudfront ·
AWS CloudFormation/CDK Express Mode Speeds Deployments
AWS CloudFormation and CDK now offer an express mode that can speed up infrastructure deployments by up to 4x. This mode completes stack operations once resource configuration is applied, skipping lengthy stabilization checks, which is particularly beneficial for developers and AI agents building infrastructure. Express mode is available now in all supported AWS Regions and can be enabled via the AWS CLI, SDKs, or the AWS Management Console without template changes.
feature patch - AWS What's New infraawsaws-s3 ·
CloudFormation and CDK pre-deployment validation now runs on all stack operations
AWS CloudFormation and CDK have introduced pre-deployment validation for all stack operations, including Create Stack and Update Stack. This change allows developers to catch common deployment errors in seconds, accelerating development feedback loops and reducing wasteful provision-and-rollback cycles. The validation is enabled by default and provides detailed error reporting, benefiting engineers and architects working with CI/CD pipelines and infrastructure automation.
feature - AWS What's New securityinfraawsengineer ·
Amazon GameLift Servers Adds DDoS Protection SDKs for C# and Unity
Amazon GameLift Servers now provides client SDKs for C# and Unity to protect multiplayer games against DDoS attacks. This feature integrates a relay network and token-based authentication to secure game sessions. It offers proactive UDP traffic protection with minimal latency, available at no extra cost to existing customers. The SDKs complement existing C++ and Unreal Engine support, enhancing developer flexibility.
feature - AWS What's New infraawsengineeraws-ec2 ·
EC2 Auto Scaling adds reservations-then-balanced AZ distribution
Amazon EC2 Auto Scaling introduces a new Availability Zone distribution strategy called reservations-then-balanced. This strategy prioritizes launching instances into pre-purchased capacity reservations before distributing remaining capacity across Availability Zones. It helps maximize utilization of reserved capacity while maintaining Auto Scaling's resilience, and is available today in all AWS commercial Regions.
feature - AWS What's New awsmedia ·
AWS Clean Rooms adds intermediate tables for SQL queries
AWS Clean Rooms now supports intermediate tables for SQL queries, enabling multi-step analytical workflows with partners. This feature allows customers to write query results to an intermediate table within a collaboration for reuse in subsequent analyses. It provides increased flexibility for complex workflows, such as building shared ID mapping tables, all while maintaining the privacy boundary of the collaboration. This enhancement is beneficial for publishers and advertisers looking to optimize data analysis costs and performance.
feature - AWS What's New networkingawsengineer ·
Amazon Neptune adds IPv6 dual-stack support
Amazon Neptune now supports dual-stack mode, allowing clusters to accept connections over IPv4, IPv6, or both simultaneously. This enables organizations to adopt IPv6 while maintaining compatibility with existing IPv4 deployments without application changes. Dual-stack mode is available in all AWS Regions and supports both private and public network configurations.
feature - AWS What's New securityawsengineeraws-rdsaws-iam ·
Amazon RDS improves IAM database authentication with connection rate scaling
Amazon RDS now dynamically scales IAM database authentication connection rates based on instance resources. This enhancement is crucial for enterprise workloads needing to support high-volume connection patterns with IAM authentication. The scaling capability is available across all AWS Regions for supported RDS and Aurora engines. Reusing IAM principals or authentication tokens is recommended for optimal performance.
feature - AWS What's New governanceawsengineer ·
AWS Capability Insights: Open-source solution for regional capabilities data
AWS has launched Capability Insights, an open-source solution for deploying regional capabilities data within your own VPC. This self-hosted dashboard helps teams managing multi-Region architectures by providing data ownership, governance, and compliance within their network perimeter. The solution auto-refreshes data daily and includes a workload analysis tool that filters services based on your actual usage from CloudTrail and CloudFormation logs, simplifying gap analysis.
feature announcement - AWS What's New aisecurityawsengineeraws-sagemakeraws-bedrock ·
AWS Security Hub CSPM adds AI Security Best Practices standard
AWS Security Hub CSPM has launched a new AI Security Best Practices standard, featuring 31 automated controls to assess AI resource security. This standard helps continuously evaluate Amazon Bedrock and SageMaker workloads against security best practices, detecting misconfigurations without manual effort. It covers critical domains like network isolation and encryption, with controls spanning various AI infrastructure components and is available in all Security Hub CSPM regions.
feature - AWS What's New infraawsgaengineer ·
AWS Parallel Computing Service enables in-place Slurm version upgrades
AWS Parallel Computing Service (PCS) now supports managed in-place Slurm major version upgrades for existing clusters. This allows users to upgrade up to three major versions without disrupting running jobs, simplifying HPC workload management on AWS. The service automatically handles upgrades for controller, accounting database, and REST API components, preserving job continuity and accounting data. This feature is available in all AWS Regions where PCS is offered.
feature - AWS What's New infraaws ·
Amazon ElastiCache T4g nodes available in more AWS Regions
Amazon ElastiCache has added support for T4g node types in five new AWS regions, including Africa (Cape Town) and Asia Pacific (Jakarta). These nodes, powered by AWS Graviton2 processors, offer burstable CPU performance ideal for spiky workloads. This expansion aims to provide broader access to cost-effective and performant caching solutions for a wider range of users. Customers can now create or modify clusters with T4g nodes in these regions using the AWS Console, CLI, or API.
feature - AWS What's New aiawsgaengineeraws-bedrock ·
Claude Sonnet 5 available on AWS via Bedrock and Claude Platform
Anthropic's Claude Sonnet 5, the latest generation Sonnet model, is now accessible on AWS. This release offers top-tier intelligence for coding, agents, and professional tasks at Sonnet pricing, balancing capability, cost, and speed. It's available through Amazon Bedrock with AWS managed features and directly via the Claude Platform on AWS, offering unified AWS billing and authentication. Customers can leverage its enhanced performance for complex coding, precise tool calling in agents, and structured analysis of knowledge work.
feature announcement
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.