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 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 aiawsgaengineeraws-sagemaker ·
SageMaker Inference speeds generative AI scale-out with container caching
Amazon SageMaker Inference now supports container image caching, reducing generative AI scale-out time by up to half. This feature pre-caches container images for new instances, eliminating the latency associated with pulling large images from ECR during scale-out events. The enhancement is automatically applied to existing SageMaker Inference configurations and is available in all AWS commercial regions.
feature patch - AWS What's New securityawssecurity-advisoryengineeraws-rds ·
Amazon RDS Custom for SQL Server adds latest CU/GDR updates
Amazon RDS Custom for SQL Server now supports the latest Cumulative Updates and General Distribution Releases, including versions for SQL Server 2019 and 2022. This enhancement allows users to easily apply critical security patches and performance improvements to their database instances. The updates are available for all RDS Custom for SQL Server users and can be applied via the AWS Management Console, SDK, or CLI.
patch security - AWS What's New securityawssecurity-advisoryengineeraws-rds ·
Amazon RDS for SQL Server adds support for latest Microsoft GDR updates
Amazon RDS for SQL Server now supports the latest General Distribution Release (GDR) updates for multiple SQL Server versions, including specific patch identifiers. These GDR updates address critical vulnerabilities like CVE-2026-32167 and CVE-2026-32176, enhancing security for SQL Server instances. Users running SQL Server 2016 through 2022 on RDS are recommended to upgrade their instances to benefit from these security fixes, which can be performed via the RDS Management Console, AWS SDK, or CLI.
security patch - AWS What's New infraawsengineeraws-s3 ·
AWS Backup improves S3 backup copy performance
AWS Backup now offers up to 8x faster S3 backup copy operations for large buckets with low change rates by enhancing its change tracking mechanism. This optimization reduces the time for cross-account and cross-Region S3 backup copies by eliminating full object scans. The enhancement is automatically applied to new copy jobs at no additional cost.
patch - 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 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 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 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 awsgaengineeraws-rds ·
Amazon Aurora and RDS for MySQL extend 5.7 support to June 2029
Amazon Aurora and RDS for MySQL now offer Extended Support for MySQL 5.7 until June 30, 2029, extending from the previous February 2027 deadline. This provides customers with more time to plan upgrades while still receiving security patches and bug fixes without additional cost. This extension is available in all regions where Aurora MySQL and RDS for MySQL are offered, and AWS recommends upgrading to MySQL 8.0 or compatible versions.
patch announcement - AWS What's New aiawsgapreviewengineeraws-lambdaaws-eksaws-bedrock ·
Amazon Bedrock AgentCore adds production agent optimization
AWS has introduced new optimization capabilities for Amazon Bedrock AgentCore, allowing agents to learn from production usage to improve continuously. These features address silent agent failures by surfacing insights into agent behavior and recommending specific, data-grounded fixes. The new tools, including failure, intent, and trajectory insights, are aimed at developers and architects building and managing AI agents, with some features available in preview and others generally available across multiple AWS Regions.
feature patch - AWS What's New aiawsengineeraws-s3 ·
Amazon S3 Vectors cuts query costs for large vector indexes
Amazon S3 Vectors has reduced data processing charges for queries on vector indexes with over 10 million vectors by up to 80%. This change lowers costs for large-scale AI, RAG, and semantic search workloads by making queries more affordable. The new pricing applies automatically and is effective immediately in all AWS Regions. While costs are reduced, distributing vectors across multiple indexes is still recommended for optimal performance.
patch - AWS What's New dataawsgaengineeraws-s3aws-redshift ·
Amazon Redshift Graviton instances expand to new AWS Regions
Amazon Redshift RG instances, powered by AWS Graviton processors, are now available in three new AWS Regions: Africa (Cape Town), Asia Pacific (Bangkok), and Mexico (Central). These instances offer significant price-performance improvements and faster query execution for data warehousing workloads. Customers in these regions can provision new RG instances or upgrade existing ones to benefit from reduced compute and storage costs.
feature patch - AWS What's New infraawsengineer ·
Amazon GameLift Servers offers free network bandwidth for newer instances
Amazon GameLift Servers now includes all inbound and outbound network bandwidth at no extra cost for instance generations 6 and later. This change simplifies pricing by eliminating unpredictable bandwidth costs, which is a significant concern for multiplayer game servers. The benefit is available immediately to existing customers on eligible fleets in most regions.
feature patch - AWS What's New awsengineeraws-rds ·
Amazon RDS for MySQL 5.7: Extended Support minor version 5.7.44-RDS.20260521 available
Amazon RDS for MySQL now supports Extended Support minor version 5.7.44-RDS.20260521, offering critical security and bug fixes beyond community support. This allows users up to three additional years to upgrade to a new major version, ensuring business continuity and security for existing MySQL databases on Aurora and RDS. Customers can upgrade to this version to address known vulnerabilities and bugs in prior releases.
patch security - AWS What's New infraawsengineeraws-rds ·
Amazon RDS for MariaDB Adds Support for Latest MariaDB Minor Versions
Amazon RDS for MariaDB now supports MariaDB minor versions 10.6.27, 10.11.18, 11.4.12, and 11.8.8. Upgrading to these versions is recommended to address security vulnerabilities and benefit from community bug fixes and performance improvements. Users can leverage automatic minor version upgrades or Managed Blue/Green deployments for smoother updates.
patch - 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 infraawsengineeraws-ec2 ·
EC2 Future-dated Capacity Reservations Can Now Be Cancelled
Amazon EC2 now allows customers to cancel future-dated capacity reservations, offering flexibility for changing plans. Cancellation may incur a charge, with terms presented for review and acceptance before processing. This feature is available to all existing customers and its regional availability can be found on the AWS Capabilities by Region website.
feature patch
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.