Amazon S3

Amazon S3 Vectors metadata pre-filtering is now available in the AWS GovCloud (US-East) and AWS GovCloud (US-West) Regions. Pre-filtering evaluates metadata filters before running similarity search,…

Amazon S3 Object Lock support for variable retention with event holds is now available in AWS GovCloud (US-East) and AWS GovCloud (US-West). Amazon S3 Object Lock variable retention allows you to…

Amazon S3 Vectors now supports pre-filtering, which evaluates metadata filters before running similarity search, returning up to 5x more of the matching vectors when your filter is selective. S3…

Amazon S3 Tables add support for geometry, geography, unknown, and nanosecond timestamp data types, along with column default values, as defined in the Apache Iceberg Version 3 (V3) specification.…

The Amazon S3 Express One Zone storage class is now available in 7 additional AWS Regions: Asia Pacific (Singapore), South America (Sao Paulo), US West (N. California), Canada (Central), Europe…

AWS Lambda now supports <a href="https://docs.aws.amazon.com/AmazonS3/latest/userguide/s3-files-performance.html#s3-files-performance-how">direct read</a> configuration for Amazon S3 Files, letting…

AWS Storage Gateway now supports FIPS 140-3 validated endpoints over AWS PrivateLink for Amazon S3 File Gateway. Previously, FIPS endpoints for File Gateway were available only over the public…

Amazon S3 Object Lock now supports variable retention, allowing you to apply write-once-read-many (WORM) protection to objects whose required retention period starts with a future event, such as a…

Amazon S3 now supports AWS PrivateLink for endpoints that have been validated under the Federal Information Processing Standard (FIPS) 140-3 program. Customers with security and compliance…

AWS Backup now supports backup and restore of more than 1,000 Amazon S3 buckets per account, matching the Amazon S3 bucket quota configured for your account. Previously, AWS Backup for Amazon S3…

Mountpoint for Amazon S3 can now limit memory usage, either automatically based on the environment it runs in or with a limit that you define. This lets you run Mountpoint alongside memory-intensive…

Amazon S3 Metadata and annotations are now available in AWS GovCloud (US-East) and AWS GovCloud (US-West) Regions, giving you the easiest and fastest way to discover, understand, and enrich your S3…

Amazon S3 now includes the specific AWS Identity and Access Management (IAM) and AWS Organizations policy Amazon Resource Name (ARN) in HTTP 403 Access Denied error messages for same-account and…

AWS Backup for Amazon S3 now supports creating S3 Access Points, providing immediate read-only access to backup data using standard S3 APIs without initiating a restore. This enables targeted file…

Amazon S3 Tables now support the Variant data type as defined in the Apache Iceberg Version 3 (V3) specification. You can now write semi-structured data like JSON directly to S3 Tables without…

You can now transition objects to S3 Standard-Infrequent Access (S3 Standard-IA) and S3 One Zone-Infrequent Access (S3 One Zone-IA) as soon as the day they are created, without the previous 30-day…

Amazon S3 Event Notifications now include system-generated tags in events delivered to all destinations including Amazon EventBridge, Amazon SQS, Amazon SNS, and AWS Lambda. System-generated tags are…

AWS Backup now executes S3 backup copy operations up to 8x faster for buckets with millions of objects and low change rates between backup copies through enhanced change tracking. This improvement…

Amazon S3 Vectors can now return up to 10,000 similarity search results per query, a 100x increase from the previous limit. The higher result limit helps you retrieve a larger, more comprehensive set…

Amazon S3 adds annotations, so you can attach custom metadata to your S3 objects at massive scale, giving AI agents and analytics tools the context they need to find and use the right data.…

Amazon S3 Vectors has reduced data processed charges for queries on vector indexes with over 10 million vectors by up to 80%. This reduction lowers costs for customers running similarity search…

You can now create Amazon S3 Access Grants in the AWS European Sovereign Cloud (Germany) Region. Amazon S3 Access Grants map identities in directories such as Microsoft Entra ID, or AWS Identity and…

AWS Glue Data Catalog now supports AWS IAM-based authorization for Amazon S3 Tables and Apache Iceberg materialized views. With IAM-based authorization, you can define all necessary permissions…

Amazon S3 Tables are now available in the Asia Pacific (Taipei) and Asia Pacific (New Zealand) Regions. Amazon S3 Tables deliver the first cloud object store with built-in Apache Iceberg support,…

Amazon S3 now supports five additional checksum algorithms: MD5, XXHash3, XXHash64, XXHash128, and SHA-512, bringing the total to ten. S3 validates and stores the checksum alongside your object for…

AWS Lambda now supports <a href="https://aws.amazon.com/s3/features/files/" target="_blank">Amazon S3 Files</a>, enabling your Lambda functions to mount Amazon S3 buckets as file systems and perform…

Amazon S3 Express One Zone, a high-performance S3 storage class for latency-sensitive applications, now supports S3 Inventory. S3 Inventory provides a scheduled alternative to S3's synchronous List…

Amazon S3 Lifecycle now prevents expiration and transition actions on objects that failed replication, helping you to coordinate replication configuration or permissions changes with actions defined…

S3 Files delivers a shared file system that connects any AWS compute resource directly with your data in Amazon S3. With S3 Files, Amazon S3 is the first and only cloud object store that provides…

As <a href="https://aws.amazon.com/blogs/storage/advanced-notice-amazon-s3-to-disable-the-use-of-sse-c-encryption-by-default-for-all-new-buckets-and-select-existing-buckets-in-april-2026/"…

Amazon S3 Vectors is now available in 17 additional AWS Regions: Africa (Cape Town), Asia Pacific (Hong Kong), Asia Pacific (Hyderabad), Asia Pacific (Jakarta), Asia Pacific (Malaysia), Asia Pacific…

You can now create Amazon S3 Access Grants in the AWS Asia Pacific (New Zealand) Region. Amazon S3 Access Grants map identities in directories such as Microsoft Entra ID, or AWS Identity and Access…

AWS Glue Data Catalog now supports AWS IAM-based authorization for Amazon S3 Tables and Apache Iceberg materialized views. With IAM-based authorization, you can define all necessary permissions…

Amazon SimpleDB now supports exporting domain data directly to Amazon S3 buckets in standard JSON format. Exports run in the background with no impact on database performance, making it simple to…

You can now create Amazon S3 general purpose buckets in your own reserved namespace, eliminating the need to find globally unique bucket names and making it easier to build workloads that utilize a…

Amazon S3 server access logs now include source region information, specifying which AWS Region requests to your data originate from. This identifies applications that are making cross-region…

Amazon S3 Tables are now available in AWS GovCloud (US-East) and AWS GovCloud (US-West). Amazon S3 Tables deliver the first cloud object store with built-in Apache Iceberg support, offering…

You can now create Amazon S3 Access Grants in the AWS Asia Pacific (Taipei) Region. Amazon S3 Access Grants map identities in directories such as Microsoft Entra ID, or AWS Identity and Access…

Amazon S3 Tables announce partition and sort order definition support for the CreateTable API. This enhancement simplifies setting these properties programmatically, making it easier to manage and…