Version 3.1.3:
**Features**
* Add relative link to code of conduct.
* Drop deprecated 'setup.py test' support.
* Fix typo: curren -> current in tests/test_clean.py
* Test on PyPy 7
* Drop test support for end of life Python 3.4
Version 3.1.2:
**Security fixes**
* ``bleach.clean`` behavior parsing embedded MathML and SVG content
with RCDATA tags did not match browser behavior and could result in
a mutation XSS.
Calls to ``bleach.clean`` with ``strip=False`` and ``math`` or
``svg`` tags and one or more of the RCDATA tags ``script``,
``noscript``, ``style``, ``noframes``, ``iframe``, ``noembed``, or
``xmp`` in the allowed tags whitelist were vulnerable to a mutation
XSS.
This security issue was confirmed in Bleach version v3.1.1. Earlier
versions are likely affected too.
Version 3.1.1:
**Security fixes**
* ``bleach.clean`` behavior parsing ``noscript`` tags did not match
browser behavior.
Calls to ``bleach.clean`` allowing ``noscript`` and one or more of
the raw text tags (``title``, ``textarea``, ``script``, ``style``,
``noembed``, ``noframes``, ``iframe``, and ``xmp``) were vulnerable
to a mutation XSS.
This security issue was confirmed in Bleach versions v2.1.4, v3.0.2,
and v3.1.0. Earlier versions are probably affected too.
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