What's New

This What's New is associated with the 2008-01-01 release of the Amazon Simple Queue Service. This guide was last updated on 17 April 2008.

The following table describes the important changes since the last release of the Amazon Simple Queue Service Developer Guide.

Change	Description	Release Date
Update	Added information about the AWS Support Center and AWS Premium Support. For more information, see Related Resources.	17 April 2008
Clarification	Clarified that you can use HTTP or HTTPS with Query requests. For more information, see Query Request Authentication.	21 March 2008
Clarification	Clarified what the `ListQueues` action returns if you're using both the 2008-01-01 version of the WSDL and a previous version. For more information, see ListQueues.	29 February 2008
Enhancement	Added information about the Amazon SQS scratchpad, which you can use to help troubleshoot authentication issues with Query requests. For more information, see Query Request Authentication.	29 February 2008
Error Correction	Corrected an error saying that the Query parameters to use in a `SetQueueAttributes` request are `Name` and `Value`. The correct parameters are `Attribute.Name` and `Attribute.Value`. For more information, see SetQueueAttributes.	7 February 2008
Update	Updated the information about message retention time; the time has changed from 15 to 4 days. Also added information about queues that have had no activity for an extended period of time. For more information, see About SQS Queues.	6 February 2008
Update	Updated the information about the queue URL. For more information, see Queue URLs.	6 February 2008
Update	Updated the discussion of visibility timeout. For more information, see Visibility Timeout.	6 February 2008
Update	Updated the discussion of Query requests to include information about making POST requests. For more information, see Query Requests.	6 February 2008
Update	Revised the information about authentication. Specifically, because signature version 0 is no longer supported for Query request authentication, we removed the information about signature version 0. For more information, see Query Request Authentication. For SOAP requests that don't use WS-Security, we updated the information to indicate that HTTPS is now required, and updated the information about where to include the authentication information in the request. For more information, see SOAP without WS-Security.	6 February 2008
Update	Updated the list of errors that are common to all SQS actions. For more information, see Errors Common to all Actions.	6 February 2008
Update	Updated the information about `CreateQueue`. Specifically, we added information about a new error that can be returned when creating a queue. For more information, see CreateQueue.	6 February 2008
Update	Updated the information about `DeleteQueue`. Specifically, we removed information about the `ForceDeletion` parameter because it has been deprecated in the 2008-01-01 release. For more information, see DeleteQueue.	6 February 2008
Update	Updated the information about `SendMessage`. Specifically, we revised the maximum allowed message size and added information about a new MD5 digest returned when you send a message to the queue. For more information, see SendMessage.	6 February 2008
Update	Updated the information about `ReceiveMessage`. Specifically, we changed the `NumberOfMessages` parameter name to `MaxNumberOfMessages`. We changed the maximum allowed value for this parameter from 256 to 10. We also changed the information returned with a message to include a receipt handle and an MD5 digest of the message body. For more information, see ReceiveMessage and Queue and Message Identifiers.	6 February 2008
Update	Updated the information about `GetQueueAttributes` and `SetQueueAttributes`. The request parameter name for `GetQueueAttributes` has changed, and the attribute data structure has changed. For more information, see GetQueueAttributes and SetQueueAttributes.	6 February 2008
Update	Updated the information about the maximum visibility timeout allowed for a queue or message. For more information, see CreateQueue, ReceiveMessage, and SetQueueAttributes.	6 February 2008
Update	Updated the information about the structure of a successful response and of an error response. For more information, see Responses.	6 February 2008
Removal	Removed the information about access control functionality (`AddGrant`, `ListGrants`, and `RemoveGrant`), because it has been deprecated with the 2008-01-01 release.	6 February 2008
Removal	Removed the information about the REST API, because it is not currently available with the 2008-01-01 release.	6 February 2008
Removal	Removed the information about the `ChangeMessageVisibility` action, because it has been deprecated in the 2008-01-01 release.	6 February 2008
Enhancement	Added information about propagation delays when making changes to a queue. For more information, see DeleteQueue and SetQueueAttributes.	6 February 2008
Enhancement	Added a structured index to this guide to support information look-up by topic. See Index.	6 February 2008