What's New

This What's New is associated with the 2006-03-01 release of Amazon S3. This guide was last updated on July 01, 2008.

Following is a table that describes the important changes since the last release of the Amazon S3 Developer Guide.

ChangeDescriptionRelease Date
Content-MD5 and Various Edits The PUT APIs for SOAP and REST were updated to describe how to verify that no data corruption was introduced over the network. Numerous sections of the document were edited based on internal and customer feedback. 27 June 2008
Copy Amazon S3 now supports copying objects without downloading and re-uploading them. For more information, see Copying Amazon S3 Objects. 5 May 2008
Query String Authentication Support for Amazon DevPay Amazon S3 now supports query string authentication for Amazon DevPay. For more information, refer to the Amazon DevPay Developer Guide. 5 May 2008
Logging Changes Amazon S3 now enables you to automatically grant access to logs within a bucket to users other than the bucket owner. For more information, see Setting Up Server Access Logging. 9 April 2008
TCP Window Scaling Amazon S3 now supports TCP window scaling and TCP selective acknowledgement which enables you to optimize network performance. For more information, see Performance Optimization. 3 March 2008
Chunked and Resumable Downloads The guide was updated to describe how to perform chunked and resumable downloads. For more information, see Chunked and Resumable Downloads. 11 January 2008
HTTP POST changes The redirect field was changed to success_action_redirect and the success_action_status field was added. For more information, see Browser-Based Uploads Using POST. 31 December 2007
DevPay Amazon DevPay enables you to charge customers for using your Amazon S3 product through Amazon's authentication and billing infrastructure. You can charge any amount for your product including usage charges (storage, transactions, and bandwidth), monthly fixed charges, and a one-time charge. For more information, see Using Amazon DevPay with Amazon S3. 18 December 2007
HTTP POST Amazon S3 now supports browser-based uploads using POST, which allows your users to upload content directly to Amazon S3. For more information, see Browser-Based Uploads Using POST. 17 December 2007
Restructuring and Various Edits The introductory sections of the document were restructured and numerous edits were made based on customer input from the Feedback link and forums. 17 December 2007
Location Constraints Amazon S3 now supports location constraints, which allow you to specify where to store data. For more information, see Location Selection. 15 October 2007
Support for Redirects If DNS information for a bucket is not propagated throughout the Internet, clients will receive a 307 redirect. If you attempt use a path-style request to access an object within a bucket that was created using <CreateBucketConfiguration>, you will receive a permanent 301 redirect. For more information on redirects, so you can optimize your code, see Location Selection. 15 October 2007
Bucket Location Amazon S3 supports a new operation for getting the location of a bucket. For more information, see GET Bucket Location. 15 October 2007
New Authentication Section The authentication section was rewritten to clarify questions that appeared in the forums. For more information, see Authentication and Access Control. 10 September 2007
Feedback You can now provide feedback comments on any topic in the HTML version of this guide. To provide feedback, simply click the Feedback link at the top of the page. 10 September 2007
Minor Edits Minor edits were made throughout the document to clarify issues that appeared in the forums and to improve overall document quality. 10 September 2007
Amazon DevPay Amazon DevPay is a new Amazon service that enables you to charge customers for use of your Amazon S3 product through the Amazon authentication and billing infrastructure. For more information, see Using Amazon DevPay with Amazon S3. 10 September 2007
New Bucket Limit In addition to the 100 bucket limit associated with your AWS account, each of your customers can have up to 100 buckets for each Amazon DevPay product that you sell. For more information, see Using Amazon DevPay with Amazon S3. 10 September 2007