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==========================
Django 2.1.6 release notes
==========================
*February 11, 2019*
Django 2.1.6 fixes a security issue and a bug in 2.1.5.
CVE-2019-6975: Memory exhaustion in ``django.utils.numberformat.format()``
--------------------------------------------------------------------------
If ``django.utils.numberformat.format()`` -- used by ``contrib.admin`` as well
as the the ``floatformat``, ``filesizeformat``, and ``intcomma`` templates
filters -- received a ``Decimal`` with a large number of digits or a large
exponent, it could lead to significant memory usage due to a call to
``'{:f}'.format()``.
To avoid this, decimals with more than 200 digits are now formatted using
scientific notation.
Bugfixes
========
* Made the ``obj`` argument of ``InlineModelAdmin.has_add_permission()``
optional to restore backwards compatibility with third-party code that
doesn't provide it (:ticket:`30097`).
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