HDF5 version 1.8.21 released on 2018-06-04
Please refer to the release_docs/INSTALL file for installation instructions.
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This release is fully functional for the API described in the documentation. 
See the RELEASE.txt file in the release_docs/ directory for information 
specific to this release of the library.  Several INSTALL* files can also be 
found in the release_docs/ directory:  INSTALL contains instructions for 
compiling and installing the library;  INSTALL_parallel contains instructions 
for installing the parallel version of the library;  similarly-named files
contain instructions for several environments on MS Windows systems. 

Documentation for this release can be found at the following URL:
    https://support.hdfgroup.org/HDF5/doc1.8/

The following  mailing lists are currently set up for HDF5 Library users:

    news        - For announcements of HDF5 related developments,
                  not a discussion list.

                  Sign up for the news mailing list here:
                      https://www.hdfgroup.org/hdfnews/

    hdf-forum   - For general discussion of the HDF5 library with
                  other users. 

                  To subscribe to the hdf-forum, send mail to: 
                      hdf-forum-subscribe@lists.hdfgroup.org

                  Messages sent to the list should be addressed to: 
                      hdf-forum@lists.hdfgroup.org

The HDF5 website is located at: https://www.hdfgroup.org/hdf5/

Bugs should be reported to help@hdfgroup.org.