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 aiawsgaengineeraws-sagemaker ·
SageMaker AI supports serverless customization for Gemma 4 models
Amazon SageMaker AI now offers serverless model customization for Google DeepMind's Gemma 4 E4B and 31B models, including supervised fine-tuning, direct preference optimization, and reinforcement fine-tuning. This allows users to tailor foundation models with proprietary data for domain-specific tasks without managing infrastructure. Serverless customization is now available for Gemma and expands options for other families like Nova, Nemotron 3, Qwen, Llama, gpt-oss, and DeepSeek.
feature - AWS What's New infraawsgaengineeraws-ec2 ·
Amazon Time Sync Service gains microsecond accuracy on 26 EC2 instance types
Amazon Time Sync Service now provides microsecond accurate time on 26 more EC2 instance types, leveraging the AWS Nitro System for improved application event ordering and transaction speed. This enhancement is accessible by creating a new Precision Time Placement Group (PTPG) for enabled instances. Customers needing both low latency and precision time can combine PTPG with Cluster Placement Groups. This feature is available today in all commercial AWS regions.
feature - AWS What's New securityawsengineeraws-iam ·
AWS IAM Identity Center allows programmatic account access for customer apps
AWS IAM Identity Center now enables customer-managed applications to programmatically access AWS accounts on behalf of users, discovering accounts and roles, and retrieving temporary credentials. This integration, by configuring an external IdP as a trusted token issuer, eliminates redundant sign-ins for users accessing AWS resources. The feature is available for organization instances and requires explicit enablement by administrators in all commercial and specialized AWS Regions.
feature - AWS What's New awsdeprecationengineeraws-sagemakeraws-bedrock ·
AWS Announces Service Availability Changes and Sunsets
AWS is announcing significant availability changes for numerous services, including some entering maintenance, sunset, or end-of-support phases. These changes will impact new and existing customers, with specific dates provided for when services will become inaccessible or cease operations. Customers are advised to consult migration guides and product pages to plan transitions away from affected services.
deprecation announcement - AWS What's New aiawsgaengineeraws-bedrock ·
Claude Opus 4.8 available on AWS GovCloud (US)
Anthropic's Claude Opus 4.8 is now generally available on AWS GovCloud (US), offering enhanced capabilities for coding, professional knowledge work, and autonomous tasks. This model provides deeper reasoning, better coding context, and improved agentic task handling for developers and enterprises. Access is provided through Amazon Bedrock, ensuring data stays within AWS infrastructure with managed features.
feature announcement - AWS What's New aiawsengineeraws-bedrock ·
AWS GovCloud adds OpenAI GPT-5.4 and NVIDIA Nemotron 3 Super
AWS GovCloud (US-West) Region now offers OpenAI GPT-5.4 and NVIDIA Nemotron 3 Super 120B models via the Kiro IDE and CLI. These models enhance AI application development with capabilities like complex reasoning, coding, and efficient inference. GPT-5.4 features a 272K context window, while Nemotron 3 offers efficient inference via a hybrid mixture-of-experts architecture and a 256K context window. Users can access these models by updating and restarting their IDE or CLI.
feature announcement - AWS What's New aisecurityawsengineeraws-bedrock ·
AWS WAF protects Amazon Bedrock AgentCore Gateway
AWS WAF now offers protection for Amazon Bedrock AgentCore Gateway, shielding agentic AI applications from common web exploits and abuse as they move to production. This feature allows security and platform teams to enforce consistent, customizable web protections like IP-based access controls and rate-based rules at the Gateway layer. A single configuration applied at the Gateway protects all downstream agents and integrations, and is available in all regions where both services are offered.
feature announcement - AWS What's New infraawsgaengineer ·
Amazon ElastiCache adds Valkey 9.1 support
Amazon ElastiCache now supports Valkey 9.1, offering enhanced throughput, memory efficiency, and access control for node-based clusters. This upgrade benefits users by improving performance, reducing resource consumption, and simplifying access management through new commands and metrics. The new version is available now for new and existing ElastiCache clusters, with details available in the official launch blog.
feature - AWS What's New infraawsengineeraws-sagemaker ·
Amazon MWAA Serverless adds support for shared VPCs
Amazon MWAA Serverless now supports subnets shared via AWS Resource Access Manager (RAM), resolving a previous validation error. This change allows organizations using centralized networking to deploy MWAA Serverless workflows in member accounts using shared subnets, simplifying multi-account architectures. The update also benefits Amazon SageMaker Unified Studio Workflows configured with shared VPC networking and is available in all supported AWS Regions.
feature - AWS What's New observabilityawsengineeraws-s3aws-redshift ·
Amazon S3 server access logs can now be delivered to CloudWatch Logs and S3 Tables
Amazon S3 now supports delivering server access logs to Amazon CloudWatch Logs, enabling instant querying, alarms, and cross-account aggregation. Logs can also be mirrored to Amazon S3 Tables in Apache Iceberg format for SQL querying. These options provide greater flexibility for monitoring and analyzing data access, complementing existing S3 bucket delivery. CloudWatch Logs delivery is available in all standard AWS Regions.
feature - AWS What's New aiawspreviewengineer ·
Amazon Connect launches Agentic CX designer in preview
Amazon Connect now offers Agentic CX designer, a no-code canvas for building AI-powered self-service experiences, in preview. This feature combines agentic and deterministic AI to transform customer service, enabling business teams to design, test, and deploy experiences faster. It also introduces Live Sync, which guides users through web or mobile apps in real-time during voice or chat interactions, creating a unified guided experience.
feature announcement - AWS What's New infraawsgaengineeraws-ec2 ·
Amazon EC2 C8in instances expand to additional AWS regions
Amazon EC2 C8in instances, powered by custom Intel processors and Nitro cards, are now available in the US East (Ohio) and Europe (Ireland) regions. These instances offer up to 43% higher performance and significantly increased network bandwidth compared to previous generations, making them suitable for network-intensive workloads. They are available across multiple regions and purchasing options, including Savings Plans and On-Demand.
feature - AWS What's New infraawsengineeraws-ec2 ·
Amazon EC2 M8a instances now available in Mumbai region
Amazon EC2 M8a instances, powered by 5th Gen AMD EPYC processors, are now available in the Asia Pacific (Mumbai) region. These instances offer up to 30% higher performance and improved price-performance over M7a instances, making them suitable for latency-sensitive and demanding workloads. They are available in 12 sizes, including bare metal options, and are ideal for applications like financial services, gaming, and caching.
feature - 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 aicomplianceawsengineergovernmentaws-bedrock ·
AWS GovCloud (US) adds FedRAMP High/DoD IL-4/5 approved OpenAI and NVIDIA models on Bedrock
Amazon Bedrock in AWS GovCloud (US) now offers FedRAMP High and DoD IL-4/5 approved OpenAI GPT, OpenAI GPT OSS, and NVIDIA Nemotron models. This enables federal and public sector organizations to build generative AI applications meeting stringent government security requirements. The models leverage Mantle, a high-performance inference engine on Bedrock, for serverless deployment with automated management and OpenAI API compatibility.
feature announcement - AWS What's New securityawsengineergovernment ·
AWS Network Firewall adds VisionHeight managed threat intelligence rules
AWS Network Firewall now supports two new managed rule groups from VisionHeight via AWS Marketplace: Zero-Day Threat Protection and Noisy Scanners and Tor Protection. These additions leverage proprietary threat intelligence to proactively block emerging threats and reduce log noise, benefiting security teams and potentially lowering SIEM costs. The rules are available now, with daily refresh cycles for threat intelligence.
feature - 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 - AWS What's New governanceawsengineer ·
AWS GovCloud (US) adds default 24/7 US-based technical support
AWS GovCloud (US) now provides 24/7 technical support exclusively from US-based, US-citizen engineers by default for all customers. This change enhances compliance and speeds up issue resolution for regulated environments. The support is accessible via the AWS GovCloud (US) Console, API, click-to-call, and live chat.
feature - AWS What's New dataawsgaengineer ·
Amazon OpenSearch Ingestion available in AWS Europe (Paris) Region
Amazon OpenSearch Ingestion is now available in the Europe (Paris) region, enabling customers to ingest and process data for OpenSearch Service managed clusters or serverless collections. This fully managed service simplifies data ingestion by offering a no-code approach to filter, transform, and route data, automatically scaling resources to meet demand. It is now generally available across 17 AWS regions.
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.