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<fieldset><h1>HDF5 Documentation</H1></fieldset>

<p align=left>
    <A HREF="./index.html">Release 1.8.16</A>
    <code>&nbsp;&nbsp;</code>
    <A HREF="../doc1.6/index.html">Release 1.6.10</A>

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<p>
The HDF Group currently supports only the HDF5 Release 1.8.x series.
<p>
This page also provides a link to Release 1.6.x series documentation 
for users who have not yet been able to upgrade.
This series is no longer supported.
<p>
In new development, The HDF Group is working toward HDF5 Release 1.10.0.  
This release is due in 2016 and will soon be entering the alpha and 
beta test phases.
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The HDF Group currently supports two concurrent releases of HDF5.
Since there are substantial differences in these releases, this page 
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</p>


<br />&nbsp;
<br />


<h2><hr style="border:solid 2px black;">
Upcoming Development Release
<hr></h2>

<h2>HDF5 Release 1.10.0_alpha/beta</h2>

<p>Release 1.10.0 is due in 2016 and the alpha and beta test cycle will 
   soon commence.
   <p>
   New features will be introduced in stages throughout the 
   test cycle and will be documented at the link below as they appear.
   Developers are encouraged to test these features in new projects 
   and with existing applications.  
   Feedback to The HDF Group regarding failures, bugs, or strengths 
   will be very much appreciated.
   Send email to help-at-hdfgroup-dot-org. 
   </p>
   <p>
   The alpha and beta level software should not be used in product
   development as the behavior and/or interfaces may change.
   </p>

<h4>New Feature Documentation</h4>
<p>Documentation for new features in HDF5 Release 1.10.0 will be posted 
   here as each feature is released into the alpha and beta testing 
   cycle:</p>
<p>
    <ul>
      <ul>
        <li class="li2"><A HREF="/HDF5/docNewFeatures/index.html">Documentation 
            for new HDF5 features</A></li>
      </ul>
    </ul>
</p>

Existing features will be the same as in HDF5 Release 1.8.16, 
which is documented here: 
<p>
    <ul>
      <ul>
        <li class="li2"><A HREF="./index.html">http://hdfgroup.org/HDF5/doc/</A></li>
      </ul>
    </ul>
</p>

<br />&nbsp;
<br />


<h2><hr style="border:solid 2px black;">
Current Stable Releases
<hr></h2>

<h2>HDF5 Release 1.8.16</h2>

<p>Release 1.8.16 is the current release.  
   New projects are strongly encouraged to use this release as it contains 
   many new features, file optimizations, and performance enhancements.</p>

<p><h4>Release 1.8.16 Documentation (latest release):</h4></p>
<p>
    <ul>
      <ul>
        <li class="li2"><A HREF="./index.html">http://hdfgroup.org/HDF5/doc/</A></li>
      </ul>
    </ul>
</p>


<hr>
<h2>HDF5 Release 1.6.10</h2>

<p>Release 1.6.10 was the last release in the HDF5 Release 1.6.x series.
This series is no longer supported.</p>

<p><h4>Release 1.6.10 Documentation:</h4></p>
<p>
    <ul>
      <ul>
        <li class="li2"><A HREF="../doc1.6/index.html">http://hdfgroup.org/HDF5/doc1.6/</A></li>
      </ul>
    </ul>
</p>

<p>Note that the Release 1.8.x series includes a means of fully emulating 
   1.6.x series functionality.
   Many 1.6.x users will be able to meet their needs, 
   <i>while also taking advantage of 1.8.x performance enhancements</i>, 
   by configuring and installing Release 1.8.x accordingly.
   See <A HREF="RM/APICompatMacros.html">
   <cite>API Compatibility Macros in HDF5</cite></a> for details.</p>

<hr>


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