1.0 utf-8 yes 2.0 http://www.w3.org/2005/ATom Release Notes - 2015 on Releases - aspose.comhttps://releases.aspose.com/tasks/net/release-notes/2015/Recent content in Release Notes - 2015 on Release......DurationText field for mpp writing and reading. Mono platform...DurationText field writing to mpp 2010/2013 formats New Feature...