We are pleased to announce the first release candidate of Daffodil 2.0.0! Notable changes since Daffodil 1.1.0 include unparse achieving full feature parity with parse, support for additional unparse only properties such as outputValueCalc, fillByte, truncateSpecifiedLengthString, etc., numerous bug fixes in parse, and improved parse performance. The release candidate has been tagged as 2.0.0-rc1 in the git repo: https://opensource.ncsa.illinois.edu/bitbucket/projects/DFDL/repos/daffodil/... The release is also available for downloaded from the Daffodil Artifacts page: https://opensource.ncsa.illinois.edu/projects/artifacts.php?key=DFDL&version=2.0.0-rc1 Daffodil will now enter the test phase, which we expect to last approximately 3 weeks, followed by the official release of Daffodil 2.0.0. Please give the release candidate a test and let us know if you find any issues. To report bugs or ask any questions, the development team is available on the Daffodil users mailing list: http://oss.tresys.com/mailman/listinfo/daffodil-users as well as XMPP HipChat: http://hipchat.ncsa.illinois.edu/gvZdmJHmq or via the JIRA Daffodil bug tracker: https://opensource.ncsa.illinois.edu/jira/projects/DFDL/summary On behalf of the Daffodil team, - Steve