The 2015-12-11 Azure Storage version includes the following features and updates:
The Put Blob, Put Block, Put Block List, Put Page, Append Block, and Set Blob Metadata operations now return the x-ms-request-server-encrypted response header. This header is set to
trueif the contents of the request have been successfully encrypted.
The Get Blob and Get Blob Properties operations now return the x-ms-server-encrypted response header. This header is set to
trueif the blob data and application metadata are completely encrypted. If the blob is not encrypted, or if only parts of the blob or application metadata are encrypted, this header is set to
As of version 2015-12-11, the Atom feed is no longer supported as a payload format for Azure Table Storage operations. Version 2015-12-11 and later support only JSON for the payload format.