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 awsgaeolengineeraws-lambda ·
AWS Lambda adds Java 8, 11, 17 support on Amazon Linux 2023
AWS Lambda now supports Java 8, 11, and 17 on Amazon Linux 2023 (AL2023), available via managed runtimes and container images. This enables migration from Amazon Linux 2 (AL2), which reaches end-of-life June 30, 2026, to AL2023 without immediate Java version upgrades. While AL2-based runtimes will be patched until mid-2027, AWS recommends migrating to Java 21 or 25 on AL2023 for latest features and performance.
feature announcement - AWS What's New infraawsengineeraws-rds ·
Amazon RDS for Oracle adds Reserved Instances for R8i/M8i
Amazon RDS for Oracle now supports 1-year and 3-year Reserved Instances for R8i and M8i instance types, offering up to 53% cost savings. These instances use custom Intel processors for improved performance and memory bandwidth, benefiting customers running various Oracle database workloads. Reserved Instances are available in most AWS regions, excluding São Paulo, and can be purchased via the AWS Management Console, CLI, or SDK.
announcement feature - AWS What's New datainfraaws ·
Amazon Aurora DSQL adds multi-Region cluster support in four more Regions
Amazon Aurora DSQL now supports multi-Region clusters in four additional AWS Regions: Stockholm, Spain, Mumbai, and Singapore. This enhancement provides active-active high availability and strong consistency across regions, ensuring database availability even during region outages. The update benefits users requiring robust, distributed SQL databases with global reach.
feature - AWS What's New observabilityawsgaengineeraws-ec2aws-eksaws-ecs ·
CloudWatch adds managed Prometheus collectors
Amazon CloudWatch now offers managed collectors for Prometheus metrics, removing the need to deploy and manage agents for services like EKS and EC2. This simplifies monitoring by automating collection and enabling unified querying with other AWS metrics via PromQL. The feature is available in most AWS regions and is charged hourly plus standard ingestion fees.
feature - AWS What's New infraawsgaengineermediaaws-ec2 ·
Amazon EC2 C7i Instances Expand to New Regions
Amazon EC2 C7i instances, featuring custom 4th Gen Intel Xeon Scalable processors, are now available in Europe (Milan) and Canada West (Calgary) regions. These instances offer up to 15% better performance and price-performance compared to previous generations and other cloud providers' offerings, making them suitable for compute-intensive workloads. Larger instance sizes and bare metal options with Intel accelerators are included.
feature patch - AWS What's New infraawsengineeraws-ec2 ·
EC2 C7i-flex instances now available in Europe (Milan) region
Amazon EC2 C7i-flex instances, powered by custom Intel Sapphire Rapids processors, are now available in the Europe (Milan) region. These instances offer up to 15% better performance than comparable Intel processors on other clouds and up to 19% better price-performance than C6i instances, making them ideal for compute-intensive workloads that don't fully utilize all resources. They are suitable for web servers, databases, caches, and distributed systems like Kafka and Elasticsearch.
feature - AWS What's New infraawsengineeraws-ec2aws-lambdaaws-ecs ·
AWS CodeDeploy Expands to Five New Regions
AWS CodeDeploy is now available in five additional AWS regions, including Asia Pacific (New Zealand), Asia Pacific (Thailand), Asia Pacific (Taipei), Asia Pacific (Malaysia), and Mexico (Central). This expansion allows customers in these areas to access the automated deployment service locally, improving latency and meeting data residency needs. The service supports deployments to EC2, on-premises servers, Lambda, and ECS, benefiting developers and DevOps engineers managing complex application updates. CodeDeploy is now available in 34 AWS commercial regions, plus GovCloud and China regions.
announcement feature - AWS What's New aiawsengineeraws-sagemakeraws-iam ·
SageMaker Unified Studio Enhances Git Version Control Across Project Tools
Amazon SageMaker Unified Studio now offers full Git version control integrated directly into its project tools, replacing the previous automatic sync with flexible file-level tracking. This change provides a consistent source control experience for Notebooks, Query Editor, Visual ETL, and Workflows, and allows users to choose which files to track. The feature is available in all supported AWS regions for IAM and IAM Identity Center domains.
feature - AWS What's New securityawsengineeraws-iam ·
IAM Policy Simulator integrated into IAM console with new features
AWS IAM Policy Simulator has been integrated into the IAM console, replacing the standalone tool and adding capabilities to test Service Control Policies (SCPs) and condition keys. The update allows for more flexible scenario modeling, including policy exclusion and detailed cross-account decision reporting. These enhancements aim to improve policy validation and automation for security and platform teams, and are available in all regions where the simulator is offered.
feature - AWS What's New dataawsgaengineeraws-redshift ·
Amazon Redshift RG Instances Now on Trailing Track
Amazon Redshift now offers Graviton-based RG instances (rg.large, rg.12xlarge) on the trailing maintenance track, starting with patch P202. This enables customers prioritizing stability to leverage Graviton's performance benefits, offering up to 2.4x faster queries and 30% lower price per vCPU compared to RA3 instances. RG instances are now accessible on both leading and trailing tracks across all AWS regions where they are generally available.
feature patch - AWS What's New networkingawsengineer ·
AWS Direct Connect Adds BGP Route Visibility for Virtual Interfaces
AWS Direct Connect now offers Border Gateway Protocol (BGP) route visibility, enabling users to inspect routes exchanged with their on-premises routers across various virtual interfaces. This enhancement allows network administrators to better troubleshoot routing issues and monitor hybrid network connectivity by viewing accepted and advertised routes. The feature is available in all AWS commercial and China Regions via the Direct Connect console or API.
feature - AWS What's New aiawsengineeraws-bedrock ·
Amazon Bedrock lowers prices for OpenAI GPT-5.6 models
Amazon Bedrock is reducing prices for OpenAI's GPT-5.6 Luna and GPT-5.6 Terra models, effective July 30, 2026. This move, aligning with OpenAI's first-party pricing adjustments, aims to enable customers to scale their AI applications and reduce per-task costs. The new pricing will be applied automatically to workloads in select AWS regions, with Luna optimized for high-volume tasks and Terra for balanced intelligence and cost.
feature patch - AWS What's New governanceawsgaengineer ·
AWS Managed Microsoft AD supports Standard to Enterprise upgrade
AWS Managed Microsoft AD now allows direct upgrades from Standard to Enterprise editions via the console, CLI, or API, eliminating the need for migration or re-joining workloads. This feature benefits customers outgrowing Standard Edition's 5,000-object limit by enabling in-place upgrades to Enterprise Edition's 500,000-object capacity. The upgrade preserves existing configurations like trust relationships and application integrations, and is available across all AWS Regions.
feature - AWS What's New dataawsgaengineermediaaws-s3 ·
Amazon MSK Express delivers Kafka data to Apache Iceberg streaming tables
Amazon MSK Express can now continuously materialize Apache Kafka topics as Apache Iceberg tables on Amazon S3. This new capability reduces ingestion costs by up to 60% and query costs by up to 30% compared to self-managed deployments. It simplifies integration for near real-time analytics, eliminating the need for complex custom pipelines and addressing the small-file problem. The feature is available today in all AWS Regions offering MSK Express.
feature - AWS What's New dataawsgaengineeraws-s3 ·
Amazon MSK Express delivers Kafka data to Amazon S3
Amazon MSK Express now offers a managed capability to deliver Apache Kafka data directly to Amazon S3. This feature simplifies data ingestion for common use cases like archival and ML model training, reducing costs and operational overhead compared to self-managed solutions. It supports high throughput and scales automatically, available now in all AWS Regions offering MSK Express.
feature - AWS What's New aiawsengineeraws-bedrock ·
OpenAI GPT-5.6 Terra and Luna models see pricing update on Amazon Bedrock
OpenAI has announced updated pricing for its GPT-5.6 Terra and Luna models, which are now available on Amazon Bedrock. GPT-5.6 Terra offers balanced performance at a lower cost, while GPT-5.6 Luna is optimized for high-volume, low-latency inference. This pricing update aligns with OpenAI's first-party rates and counts towards AWS commitments, impacting users leveraging these models for production workloads.
announcement - AWS What's New aiawsgaengineermediaaws-bedrock ·
xAI's Grok 4.3 now available on Amazon Bedrock in AWS GovCloud
xAI's Grok 4.3 large language model is now available on Amazon Bedrock in AWS GovCloud (US-West), expanding model choices for generative AI development. This reasoning-first model offers configurable effort levels, strong tool use, and token efficiency, making it suitable for enterprise workloads like customer support and financial document analysis. It runs on Bedrock's new Mantle inference engine, optimized for price performance.
feature announcement - AWS What's New aiawsengineermediaaws-bedrock ·
Gemma 4 models available on Amazon Bedrock in AWS GovCloud (US-West)
Google DeepMind's Gemma 4 family of open-weight models is now accessible via Amazon Bedrock in AWS GovCloud (US-West). This expansion enables the development of generative AI applications with enhanced reasoning, multimodal understanding, and agentic capabilities. The offering includes three variants tailored for different use cases, with Gemma 4 31B optimized for complex workloads and Gemma 4 E2B for low-latency interaction.
feature - AWS What's New infraawsengineer ·
AWS Transit Gateway adds Policy-Based Routing for granular traffic control
AWS Transit Gateway now supports Policy-Based Routing (PBR), allowing network administrators to direct traffic based on multiple packet attributes, not just destination IP. This feature simplifies network architectures by eliminating the need for complex multi-VPC setups for traffic steering and workload isolation. It's now available in all commercial AWS Regions and can be configured via the AWS Management Console, CLI, or SDK.
feature - AWS What's New awspreviewengineerhealthcare ·
AWS HealthLake adds preview resource matching for duplicate patient records
AWS HealthLake has introduced a preview feature for resource matching to automatically identify and link duplicate patient, provider, and organization records. This capability aims to improve data accuracy in healthcare by creating longitudinal patient records and enabling trustworthy population health datasets without requiring specialized MDM tools. The feature supports seven FHIR resource types and is available in a gated preview across multiple AWS regions, requiring users to join an allowlist.
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.