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 governanceawsengineer ·
AWS Cost Explorer retains historical data for billed accounts
AWS Cost Explorer now retains historical billing data at original billable rates for accounts within billing groups, addressing a previous restriction. This change, enabled by AWS Billing Conductor and Billing Transfer, ensures reporting continuity for customers using these services. Accounts already onboarded will gain access automatically, with Billing Transfer available in most AWS Regions.
feature - AWS What's New awsgapreviewengineeraws-rds ·
Amazon RDS for MariaDB Adds MariaDB 12.3 Preview Support
Amazon RDS for MariaDB now supports MariaDB 12.3 in the RDS Database Preview Environment for evaluation before general availability. This version introduces Oracle TO_DATE() compatibility, JSON and XML data types, and performance improvements for query optimization. The preview environment is for testing and instances are retained for a maximum of 60 days.
announcement feature - AWS What's New infraawsengineeraws-ecs ·
Amazon ECS Express Mode now available in AWS GovCloud Regions
Amazon ECS Express Mode is now available in AWS GovCloud (US-East) and AWS GovCloud (US-West) Regions, enabling rapid deployment of containerized web applications and APIs. This feature simplifies orchestration and management while providing a public domain name, automatic scaling, and intelligent routing via a single Application Load Balancer. It offers full control over provisioned resources and is available at no extra charge, with deployment supported via console, SDK, CLI, and IaC tools.
feature - AWS What's New observabilityawsgaengineer ·
Amazon CloudWatch Query Studio GA
Amazon CloudWatch Query Studio is now generally available, offering a unified interface for querying and visualizing metrics across multiple AWS accounts and regions. This feature allows teams to use PromQL or Metrics Insights to explore OpenTelemetry and AWS-vended metrics from a single workspace, simplifying fleet-wide correlation of performance data. It provides visual query building, diverse visualization options, and integration with CloudWatch dashboards and Grafana, aiding engineers and architects in monitoring complex distributed systems.
feature announcement - AWS What's New observabilityawsengineer ·
CloudWatch Metrics Centralization now generally available
Amazon CloudWatch Metrics Centralization is now generally available, allowing users to replicate metrics across accounts and regions into a single destination. This feature helps enterprise teams gain a unified view of operational health in complex, multi-account deployments. Central teams can now own and query metrics for various operational needs, with support for both CloudWatch and OpenTelemetry metrics.
feature announcement - AWS What's New infraawsgaengineeraws-ec2aws-lambda ·
AWS Lambda Managed Instances adds tag propagation
AWS Lambda Managed Instances (LMI) now supports tag propagation, automatically applying specified tags to provisioned EC2 instances, EBS volumes, and ENIs. This addresses a gap for organizations using tagging for cost tracking and governance, enabling better cost allocation and policy enforcement. The feature is available in all commercial AWS regions where LMI is generally available and can be configured via capacity provider APIs or standard AWS tools.
feature - AWS What's New infraawsengineeraws-bedrock ·
AWS DevOps Agent adds custom SRE agents and headless access
AWS DevOps Agent now supports custom SRE agents, allowing teams to automate recurring workflows, and headless access via MCP/A2A protocols for integration with existing tools. This enables teams to build agents for tasks like health reports or anomaly detection, and invoke the agent from IDEs or coding assistants without leaving their current environment. These enhancements aim to streamline SRE operations and broaden integration possibilities for developers, with availability expanding to five new regions.
feature - AWS What's New aiawsengineeraws-sagemaker ·
SageMaker now offers serverless fine-tuning for NVIDIA Nemotron models
Amazon SageMaker now supports serverless fine-tuning for NVIDIA's Nemotron 3 Nano model, allowing users to adapt foundation models with proprietary data. This feature simplifies the process by managing infrastructure and orchestration, enabling users to focus on data and evaluation. Serverless customization is now available in specific AWS regions and can be accessed via SageMaker Studio or the Python SDK.
feature - AWS What's New aiawsengineeraws-sagemaker ·
SageMaker Serverless Fine-Tuning for Nvidia Nemotron Models
Amazon SageMaker now offers serverless fine-tuning for Nvidia's Nemotron 3 Nano model, allowing users to adapt foundation models with proprietary data. This feature enables tailoring models for domain-specific tasks or tone alignment, abstracting infrastructure management and adopting a pay-for-use model. It's available in specific AWS regions and can be accessed via SageMaker Studio or the Python SDK.
feature - AWS What's New infraawsgaengineeraws-ec2aws-eksaws-iam ·
Amazon EKS local clusters on Outposts now support EC2 instance store
Amazon EKS local clusters on AWS Outposts now support EC2 instances that boot from instance store on first and second-generation Outposts racks. This expansion provides static stability for Kubernetes control planes, aiding data residency and mitigating network disconnect impacts. The new architecture offers greater parity with cloud EKS clusters and supports several advanced features, now generally available in commercial AWS Regions.
feature - AWS What's New aiawsgaengineergovernmentaws-ec2 ·
Amazon EC2 Capacity Blocks for ML available in AWS GovCloud
Amazon EC2 Capacity Blocks for ML are now available in AWS GovCloud (US) Regions, offering reserved GPU capacity for government and regulated industries. This feature allows customers to secure GPU instances for ML workloads like training and prototyping up to eight weeks in advance for durations up to six months. The service provides low-latency connectivity and can be shared across accounts via AWS Resource Access Manager (RAM). This enablement is crucial for organizations needing assured, on-demand accelerated compute within the stringent compliance requirements of AWS GovCloud.
feature announcement - AWS What's New infraawsengineeraws-ec2 ·
Amazon EC2 I7i instances launched in Paris region
Amazon EC2 I7i instances, featuring 5th Gen Intel Xeon processors and AWS Nitro SSDs, are now available in the AWS Europe (Paris) region. These instances offer improved compute and storage performance, making them ideal for I/O intensive and latency-sensitive workloads. They are available in eleven sizes and provide up to 100Gbps of network bandwidth.
feature announcement - AWS What's New dataawsengineerhealthcareaws-s3 ·
AWS Lake Formation Adds Direct S3 Data File Access via Table Permissions
AWS Lake Formation now allows direct read and write access to underlying Amazon S3 data files for tables using existing Lake Formation table grants, consolidating permissions for SQL and file-based operations. This enables Spark jobs for tasks like model training and feature engineering by providing temporary, scoped S3 credentials based on table permissions. The feature is integrated with Amazon EMR 7.13+ and logged in AWS CloudTrail, available at no extra charge across all supported AWS Regions.
feature - AWS What's New infraawsengineeraws-ec2 ·
Amazon EC2 High Memory U7i Instances Expand to Paris Region
Amazon EC2 High Memory U7i-8TB instances are now available in the AWS Europe (Paris) region. These instances, powered by Intel Sapphire Rapids processors, offer 8 TiB of DDR5 memory and up to 45% better price performance than previous generations. They are designed for mission-critical in-memory databases and support high EBS and network bandwidth, making them suitable for large-scale data environments.
feature - AWS What's New aiawsgaengineeraws-bedrock ·
Amazon Bedrock AgentCore adds Web Search
Amazon Bedrock AgentCore now offers general availability for Web Search, a fully managed tool to ground AI agents in current web knowledge. This eliminates the need for custom integrations with external search providers, simplifying agent development and enhancing response accuracy with multi-source grounding. The feature is available today in the US East (N. Virginia) region and is optimized for token-efficient retrieval of relevant information.
feature announcement - AWS What's New aiawssnowflakeengineer ·
Amazon Quick integrates with Snowflake Cortex AI
Amazon Quick now integrates with Snowflake Cortex AI via the Model Context Protocol, allowing users to query Snowflake data and documents using natural language and automate multi-step workflows directly within Quick. This integration enables teams to build orchestrated workflows with Snowflake Cortex Agents for repeatable, governed processes. It benefits any multi-step process involving structured data and unstructured documents, offering both structured rigor and conversational flexibility.
feature announcement - AWS What's New observabilityawsgaengineer ·
Amazon Managed Service for Prometheus adds native histogram support
Amazon Managed Service for Prometheus now supports native histograms, allowing for higher-resolution metric distributions with reduced cardinality and more precise percentile calculations. This benefits DevOps and SRE teams by eliminating the need for manual bucket configuration and lowering the active series count. The feature is available in all AWS Regions and offers a more cost-effective way to monitor distributions.
feature - AWS What's New dataawsengineeraws-rds ·
Amazon Aurora PostgreSQL adds support for version 18.3
Amazon Aurora PostgreSQL now supports PostgreSQL major version 18.3, bringing community improvements for query performance, database management, and new capabilities like pg_roaringbitmap for efficient set operations. This update benefits users by improving query execution, reducing index overhead, and enabling faster logical replication. The feature is available in all commercial AWS Regions and AWS GovCloud (US) Regions, with multiple upgrade paths available.
feature patch - AWS What's New observabilityawsengineeraws-ec2aws-lambdaaws-eksaws-ecs ·
CloudWatch Application Signals adds context for troubleshooting
Amazon CloudWatch Application Signals now integrates infrastructure, logs, and traces directly into its service overview and application map. This enhancement allows operators to triage unhealthy services and inspect underlying compute, log snippets, and trace details within a single interface, reducing the need to switch between tools for root cause analysis. These capabilities are available for workloads on Amazon EKS, ECS, Lambda, and EC2 in all supported AWS Regions.
feature - AWS What's New observabilityawsengineeraws-s3 ·
Amazon MWAA Serverless supports EventBridge notifications
Amazon Managed Workflows for Apache Airflow (MWAA) Serverless now integrates with Amazon EventBridge to emit notifications for workflow and task state changes. This feature enables data engineering and platform teams to build event-driven automation, reducing the need for custom polling logic. It's available in all AWS Regions where MWAA Serverless is supported, offering enhanced automation possibilities like triggering alerts or restarting dependent pipelines.
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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.