Hi all,

A pre-release candidate version of HDF5 1.8.8 is available for testing and can be downloaded at the following link:

http://www.hdfgroup.uiuc.edu/ftp/pub/outgoing/hdf5/hdf5-1.8.8-pre1/

If you have some time to test this, we would greatly appreciate it. While we test on a wide variety of platforms, there are many systems and setups that we are unable to test on, and feedback from the user community is quite welcome.

Of particular interest in this maintenance release is the introduction of several additions to the Fortran interface:

-- Fortran wrappers for the Dimension Scales APIs were added. See http://www.hdfgroup.org/HDF5/doc_test/H51.8docs/HL/RM_H5DS.html for
     the subroutines signatures.

-- Fortran interface was enhanced to support the Fortran 2003 standard. The release provides a wider set of Fortran and
     HDF5 datatypes such as
           - any kind of INTEGER or REAL
           - Fortran derived types
           - Fortran and HDF5 enumeration
           - HDF5 variable-length datatypes
           - HDF5 compound datatypes of any complexity

It also contains new subroutines corresponding to the C functions with the callback functions as parameters. For general overview and information on how to enable these new features please see "New Features in the HDF5 Fortran Library: Adding support for the Fortran 2003 standard" paper posted at http://www.hdfgroup.org/HDF5/doc_test/H51.8docs/fortran/index.html. You may download HDF5 Fortran 2003 examples (names have F03 suffix) from http://www.hdfgroup.org/ftp/HDF5/examples/examples-by-api/api18-fortran.html

We would appreciate feedback from the community on these additions.

Please note that while the release notes contained in the pre-release are reflective of the new features and bug fixes present in this release, the platforms tested and tested configurations sections still need to be updated with our current testing configurations and are not reflective of this pre-release candidate at this time.

We plan to release HDF5 1.8.8 mid-November barring the discovery of any critical issues.

Thank you!

The HDF Group

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