====================
Features and Enhancements
-------------------------
- Add Storm syntax for easily adding and removing elements from array properties.
(`1670 <https://github.com/vertexproject/synapse/pull/1670>`_)
(`1672 <https://github.com/vertexproject/synapse/pull/1672>`_)
- Add ``risk`` model with attack, campaign and vulnerability forms.
(`1665 <https://github.com/vertexproject/synapse/pull/1665>`_)
(`1673 <https://github.com/vertexproject/synapse/pull/1673>`_)
- Add Storm ``tree`` command to facilitate recursive tree walking of nodes.
(`1665 <https://github.com/vertexproject/synapse/pull/1665>`_)
(`1673 <https://github.com/vertexproject/synapse/pull/1673>`_)
- Add ``:rss:feed`` property to ``media:news`` form. This was cherry-picked from master.
(`1674 <https://github.com/vertexproject/synapse/pull/1674>`_)