This is an old revision of the document!
Current devel version will be numbered 4.4.0 and it is planned to be released during 2015.
Previous devel version was 4.3.x (released on June, 2015), see what was new in that release at:
This is a draft of new features added in devel version, manually updated, thus not always synchronized with what is new in source code repository.
* new acc_prepare_always parameter to allow preparation of the request no matter if the acc_prepare_flag is set at the moment of the transaction creation. See sr-user discussion