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 678 AWS releases · Updated
- AWS What's New dataawsgaengineeraws-s3aws-sagemaker ·
AWS Glue Data Quality Adds Distribution Statistics for Data Profiling
AWS Glue Data Quality now includes a Distribution Analyzer for generating frequency distribution profiles. This feature helps users understand data patterns, identify outliers, and reduce the need for custom code in data pipelines. It integrates with existing rulesets and stores statistics in Amazon S3 for querying via services like Athena or visualization in SageMaker Studio. The functionality is available in all commercial and GovCloud regions.
feature - AWS What's New dataawsengineer ·
AWS Glue Data Quality adds anomaly detection and Catalog integration
AWS Glue Data Quality now supports anomaly detection for data quality evaluations, using ML-powered forecasting to identify unexpected changes without manual threshold rules. It also allows writing evaluation results, including anomaly predictions, back to AWS Glue Data Catalog tables for queryable records. These features benefit data engineers monitoring many tables and offer a consistent experience across ETL jobs and Catalog evaluations, available in all commercial and GovCloud regions.
feature - AWS What's New dataawsengineeraws-s3aws-rds ·
RDS for SQL Server supports TDE restore on Multi-AZ instances
Amazon RDS for SQL Server now allows restoring Transparent Data Encryption (TDE)-enabled databases on Multi-AZ instances and read replicas using native backup and restore. This feature simplifies migration and recovery workflows by enabling high availability for encrypted databases, previously a limitation to Single-AZ instances. It requires backing up the TDE certificate to S3 and restoring it to the RDS instance with TDE enabled. The capability is available in all supported AWS Regions.
feature - AWS What's New awsengineerretailmedia ·
Amazon GameLift Streams Adds Custom Aspect Ratio and Dynamic Resolution
Amazon GameLift Streams now supports custom aspect ratios and dynamic resolution to enhance player streaming experiences. Custom aspect ratio allows specific resolutions matching player devices, eliminating letterboxing and supporting various screen formats. Dynamic resolution automatically adjusts stream quality based on network fluctuations to maintain smooth playback. These features are available in all GameLift Streams regions, with Dynamic Resolution enabled by default for new stream groups.
feature - AWS What's New dataawsengineermedia ·
AWS Clean Rooms adds larger worker types for SQL
AWS Clean Rooms now supports larger worker types with 32 vCPUs and 244 GB of memory for SQL analyses, enabling more compute-intensive workloads. This enhancement can improve performance for complex queries on large datasets and optimize costs. The feature is available now, allowing organizations to accelerate their data analysis and collaboration efforts without sharing underlying data.
feature - AWS What's New aiawspreviewengineer ·
AWS Security Hub MCP App Preview Integrates Findings with Claude Desktop
AWS is previewing the Security Hub MCP App, a local server that integrates Security Hub exposure findings directly into Claude Desktop. This integration aims to accelerate security investigations by reducing context switching and enabling natural language interaction with security data. The tool provides text summaries and interactive visualizations for findings and remediation recommendations, running locally with read-only access. It is available at no additional cost in preview across commercial AWS regions.
feature announcement - AWS What's New awsmedia ·
AWS Elemental MediaTailor: Configurable ad timeout and concurrency
AWS Elemental MediaTailor now allows direct configuration of ad decision server (ADS) timeout and concurrency settings via the console, CLI, or SDKs. This update empowers users to optimize ad delivery for better ad fill rates and faster video startup, particularly for live and VOD workflows. The new AdsPersonalizationTimeouts and AdsPersonalizationConcurrency parameters offer granular control over HTTP request timeouts and personalization time budgets. This feature is available in all AWS Regions where MediaTailor is offered.
feature - AWS News Blog blogaiinfraawsengineerenergyaws-lambda ·
AWS Weekly Roundup: Local Zone in Athens, Claude Opus 5 on AWS, Lambda Durable Execution for .NET
AWS has launched a new Local Zone in Athens, Greece, to support local data residency requirements and low-latency applications. This week also saw the general availability of AWS Lambda durable execution SDK for .NET, enabling resilient serverless workflows for .NET developers. Additionally, Anthropic's Claude Opus 5 is now accessible via Amazon Bedrock and Claude Platform on AWS, offering advanced AI capabilities with zero data retention by default. These updates affect developers and organizations looking to leverage AWS infrastructure closer to end-users, build more robust serverless applications, and utilize cutting-edge AI models.
feature announcement patch - AWS What's New awsazureengineermedia ·
Amazon Connect adds audio optimization for Azure Virtual Desktop
Amazon Connect now offers audio optimization for agents using Microsoft Azure Virtual Desktop and Windows 365 Cloud PC, enabling direct call handling from virtual desktop sessions. This feature redirects media to the agent's local device, enhancing audio quality. It requires a one-time setup by IT administrators and is available in most AWS Regions where Amazon Connect is offered.
feature - AWS What's New infraawsaws-s3 ·
Amazon MWAA adds support for Apache Airflow 2.11.2
Amazon Managed Workflows for Apache Airflow (MWAA) now supports Apache Airflow version 2.11.2. This update brings security improvements, bug fixes, and dependency upgrades to the managed Airflow service. Existing and new MWAA environments in all regions can be updated to this version. The release enhances security patching, stability, and logging features.
patch - AWS What's New dataawsengineermediaaws-kinesis ·
Kinesis Data Streams now supports scaling down ingest capacity
Amazon Kinesis Data Streams' on-demand streams now support scaling down ingest capacity via warm throughput. This enhancement allows users to proactively manage stream write throughput up or down, ensuring optimal performance and cost efficiency by releasing excess capacity. The feature is available at no additional cost for all on-demand streams with On-demand Advantage mode enabled in supported AWS Regions.
feature - AWS What's New infraawsaws-ec2 ·
EC2 Dedicated Hosts support host resource groups without self-managed licenses
Amazon EC2 Dedicated Hosts now allow creating Host Resource Groups (HRGs) without requiring self-managed licenses and AMI associations via AWS License Manager. This change offers greater flexibility for EC2 Mac Instances and hardware-isolation use cases. Customers can now choose to uncheck a restriction option during HRG creation in the EC2 console or via the AWS CLI. This feature is available in all AWS Regions supporting HRGs.
feature - AWS What's New infraawsengineeraws-ec2aws-lambda ·
AWS Lambda Managed Instances logs now available in CloudWatch
AWS Lambda now publishes logs for Lambda Managed Instances (LMI) capacity providers to Amazon CloudWatch Logs. This provides visibility into scaling activity and instance lifecycle operations, helping customers monitor and troubleshoot their EC2 instances used for Lambda functions. The logs are automatically enabled by default in all commercial AWS regions where LMI is available and are structured in JSON format for easier filtering and analysis.
feature - AWS What's New infraawsengineer ·
Amazon SES simplifies SMTP email sending with Mail Manager guided setup
Amazon SES now offers a guided setup experience within Mail Manager to simplify configuring SMTP email sending. This reduces the multi-step manual process to a few clicks, providing developers with a ready-to-use SMTP endpoint and credentials. The feature is ideal for applications needing to send transactional emails quickly and is available across all SES regions.
feature - AWS What's New aiawsengineeraws-s3 ·
AWS GovCloud gains new Claude models and user activity monitoring
AWS GovCloud (US) now offers Claude Opus 4.8 and Sonnet 5 models, enhancing reasoning and efficiency for complex tasks. Additionally, Kiro IDE provides enterprise administrators with user activity monitoring, including usage dashboards and per-user reports stored in customer S3 buckets. These updates are available to users with updated IDE/CLI versions and can be accessed via the model selector.
feature announcement - AWS What's New aiawsgaengineeraws-bedrock ·
Claude Opus 5 available on AWS with zero data retention
Anthropic's most advanced Claude Opus 5 model is now available on AWS, offering significant improvements in coding, long-running agents, and complex document analysis. This release is crucial for teams building advanced applications that require top-tier AI capabilities and data governance. Customers can access Claude Opus 5 via Amazon Bedrock with zero data retention (ZDR) enabled by default, or through the Claude Platform on AWS with ZDR available on request.
feature announcement - AWS What's New awsgaengineeraws-ec2 ·
Amazon EC2 I8ge instances now available in more AWS regions
Amazon EC2 I8ge instances, powered by Graviton4 processors and featuring third-generation AWS Nitro SSDs, are now generally available in AWS Europe (London) and Canada (Central) regions. These storage-optimized instances offer significant improvements in compute and storage performance, with up to 60% better compute performance and up to 75% lower storage I/O latency variability compared to previous generations. They are ideal for workloads requiring fast local storage and low latency access to large datasets, available in eleven sizes and offering high network and EBS bandwidth.
feature patch - AWS What's New aiawspreviewengineer ·
AWS releases open-source benchmark for AI agents on AWS
AWS has announced a research preview of aws-bench, an open-source benchmark designed to measure the accuracy and efficiency of AI agents performing tasks on AWS infrastructure. This tool addresses the need for objective, reproducible performance measurement and failure diagnosis for AI researchers and model providers. It includes a public suite of test cases based on real AWS usage scenarios and offers a CLI for easy execution and scoring, available now on GitHub.
announcement feature - AWS What's New awsgaengineerfinanceaws-lambda ·
AWS Lambda Durable Execution SDK for .NET now GA
AWS Lambda Durable Execution SDK for .NET is now generally available, allowing C# developers to build resilient, long-running workflows with durable functions. This SDK simplifies the creation of multi-step applications like payment processing or AI orchestration by automatically checkpointing progress and pausing execution for up to a year. It offers an idiomatic C# experience for tracking progress, integrating callbacks, durable invocation, and efficient suspension, with local testing support. Developers can install it via NuGet and find detailed guides in the Lambda durable functions developer guide.
feature announcement - AWS What's New observabilityawsengineeraws-s3 ·
CloudWatch Logs now supports Application Load Balancer logs
Amazon CloudWatch Logs has added support for Application Load Balancer (ALB) logs, enabling direct analysis and debugging of network traffic within CloudWatch. This integration simplifies monitoring by allowing automatic configuration of logging for ALB resources across an organization. Engineers can now leverage CloudWatch Logs Insights, metric filters, and Live Tail for detailed traffic pattern analysis, enhancing observability and troubleshooting capabilities.
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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.
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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.