The following is an informative summary of the changes since the last publication of this specification. A complete revision history can be found . For the revision history of the first edition, see that document’s Revision History. For the revision history of the second edition, see .

• The cleanup Indexed Database transactions algorithm now returns a value for integration with other specs. ()

• Updated partial interface definition since is now a mixin ().

• Added [request](#dom-idbcursor-request) attribute. (Issue #255)

• Removed handling for nonstandard lastModifiedDate property of objects. ()

• Transactions are now temporarily made inactive during clone operations.

• Added [durability](#dom-idbtransactionoptions-durability) option and attribute. (Issue #50)