Update release notes for 0.22 doc

doc/sphinx/ngraph_theme/ngversions.html

@@ -6,16 +6,14 @@
     </span>
     <div class="rst-other-versions">
       <dl>
-        <dt>{{ _('Previous Versions') }}</dt>
+        <dt>{{ _('Recent Versions') }}</dt>
         <dd><!-- Until our https://docs.ngraph.ai/ publishing is set up, we link to GitHub -->  
           <ul>
-           <li><a href="https://github.com/NervanaSystems/ngraph/releases/tag/v0.20.0">0.20.0-rc.0</a></li>
-           <li><a href="https://github.com/NervanaSystems/ngraph/releases/tag/v0.19.0-rc.2">0.19.0-rc.2</a></li>
+           <li><a href="https://github.com/NervanaSystems/ngraph/releases/tag/v0.22.0">0.22</a></li>
+           <li><a href="https://github.com/NervanaSystems/ngraph/releases/tag/v0.21.0">0.21.0</a></li>
+           <li><a href="https://github.com/NervanaSystems/ngraph/releases/tag/v0.20.0">0.20.0</a></li>
+           <li><a href="https://github.com/NervanaSystems/ngraph/releases/tag/v0.19.0">0.19.0</a></li>
            <li><a href="https://github.com/NervanaSystems/ngraph/releases/tag/v0.18.1">0.18.1</a></li>
-           <li><a href="https://github.com/NervanaSystems/ngraph/releases/tag/v0.17.0-rc.1">0.17.0-rc.1</a></li>
-           <li><a href="https://github.com/NervanaSystems/ngraph/releases/tag/v0.16.0-rc.3">0.16.0-rc.3</a></li>
-           <li><a href="https://github.com/NervanaSystems/ngraph/releases/tag/v0.16.0-rc.2">0.16.0-rc.2</a></li>
-           <li><a href="https://github.com/NervanaSystems/ngraph/releases/tag/v0.16.0-rc.1">0.16.0-rc.1</a></li>
          </ul></dd>
       </dl>
       <dl>

doc/sphinx/source/backends/cpp-api.rst

@@ -8,7 +8,7 @@ Backend APIs
    
    backend-api/index
    executable-api/index
-   hosttensor-api/index
+   dynamicbackend-api/index
    plaidml-ng-api/index
 
 As of version ``0.15``, there is a new backend API to work with functions that 

doc/sphinx/source/backends/hosttensor-api/index.rst → doc/sphinx/source/backends/dynamicbackend-api/index.rst

 .. backends/hosttensor-api/index.rst:
 
 
-HostTensor
-==========
+DynamicBackend
+==============
 
-.. doxygenclass:: ngraph::runtime::HostTensor
+.. doxygenclass:: ngraph::runtime::dynamic::DynamicBackend
    :project: ngraph
    :members:

doc/sphinx/source/project/release-notes.rst

@@ -11,29 +11,36 @@ This page includes additional documentation updates.
 We are pleased to announce the release of version |version|-doc.
 
 
-0.21-doc
+==============================
+
+Core updates for |version|
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
++ More ONNX ops
++ Optimizations
++ Don't reseed RNG on each use
+
+0.22-doc
 --------
 
-Documentation updates
-~~~~~~~~~~~~~~~~~~~~~
++ Initial doc on iGPU. 
++ Improve Backend APIs with new DynamicBackend API.
++ Note deprecation of support of MXNet's ``ngraph-mxnet`` PyPI.
++ Noted changes on graph inspection options resultant from PR 3016.
++ Added better tips and details to doc-contributor-README.
 
-Summary of documentation-related changes:
 
-+ Update :doc:`doc-contributor-README` for new community-based contributions. 
-+ Added instructions on how to test or display the installed nGraph version.
-+ Added instructions on building nGraph bridge (ngraph-bridge).
-+ Updated Backend Developer Guides and ToC structure.
-+ Tested documentation build on Clear Linux OS; it works.
-+ Fixed a few links and redirs affected by filename changes.
-+ Some coding adjustments for options to render math symbols, so they can be 
-  documented more clearly and without excessive JS (see replacements.txt).
-+ Consistent filenaming on all BE indexes.
-+ Remove deprecated TensorAPI.
-+ 
+.. important:: Pre-releases (``-rc-0.*``) have newer features, and are less stable.  
 
 
-Core updates for |version|
-~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Changelog on Previous Releases
+==============================
+
+For downloads formatted as ``.zip`` and ``tar.gz``, see 
+https://github.com/NervanaSystems/ngraph/releases.
+
+0.21
+----
 
 + The offset argument in tensor reads and writes has been removed
 + Save/load API
@@ -43,16 +50,24 @@ Core updates for |version|
 + Provenance improvements
 + offset arg for tensor creation is deprecated
 + static linking support
++ Initial test of 0.21-doc
 
+0.21-doc
+--------
 
-.. important:: Pre-releases (``-rc-0.*``) have newer features, and are less stable.  
-
+Summary of documentation-related changes:
 
-Changelog on Previous Releases
-==============================
++ Updated :doc:`doc-contributor-README` for new community-based contributions. 
++ Added instructions on how to test or display the installed nGraph version.
++ Added instructions on building nGraph bridge (ngraph-bridge).
++ Updated Backend Developer Guides and ToC structure.
++ Tested documentation build on Clear Linux OS; it works.
++ Fixed a few links and redirs affected by filename changes.
++ Some coding adjustments for options to render math symbols, so they can be 
+  documented more clearly and without excessive JS (see replacements.txt).
++ Consistent filenaming on all BE indexes.
++ Removed deprecated TensorAPI.
 
-For downloads formatted as ``.zip`` and ``tar.gz``, see 
-https://github.com/NervanaSystems/ngraph/releases.
 
 0.20
 ----