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Newsletter #137
November 15, 2013


Release of HDF5-1.8.12

The HDF5-1.8.12 release is now available, and can be downloaded from the HDF Group Downloads page:


It can also be obtained directly from:


HDF5-1.8.12 is a minor release, with a few new features and changes, including:

This release contains many other changes that are not listed here. Please be sure to read the Release Notes for a comprehensive list of new features and changes.

Changes that affect maintainers of HDF5-dependent applications are listed in HDF5 Software Changes from Release to Release.

Future Changes to Supported Platforms

Please be aware that after this release we will be moving our current standard for Windows from Windows 7 VS 2010 Intel Fortran 12 to Windows 7 VS 2012 Intel Fortran 13. All versions will continue to be tested but only pre-built binaries for VS 2012 Intel Fortran 13 will be provided on the web site.

In addition, we plan to drop support for Mac OS X 10.6, move to CMake 2.8.14, and upgrade the GNU Autotools to the latest version.

Let us know if you have any concerns about these upcoming changes.

Release of h4mapwriter version 1.0.6

Version 1.0.6 of the h4mapwriter utility is now available and can be downloaded from the h4mapwriter project page:


The 1.0.6 release improves error handling of unmappable objects.

The h4mapwriter is a utility that creates an HDF4 file content map in XML for a given HDF4 file. It enables the data to be retrieved from an HDF4 file without relying on the HDF4 library.

Release of h5edit 1.2.0

Version 1.2.0 of h5edit is available from the JPSS project Downloads page:


New features in this release include:

The h5edit tool is a general command line tool to edit HDF5 files. The current version is limited to operations on attributes only. For more information see:


Book Release of "Python and HDF5"

We are pleased to announce the release this month of a new O'Reilly book by Andrew Collette entitled "Python and HDF5". For more information see:


- - Last modified: 14 October 2016