<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang=""> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Django 1.8.1 release notes — Django 1.8.19 documentation</title> <link rel="stylesheet" href="../_static/default.css" type="text/css" /> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../', VERSION: '1.8.19', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../_static/jquery.js"></script> <script type="text/javascript" src="../_static/underscore.js"></script> <script type="text/javascript" src="../_static/doctools.js"></script> <link rel="index" title="Index" href="../genindex.html" /> <link rel="search" title="Search" href="../search.html" /> <link rel="top" title="Django 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notes">next</a> »</div> </div> <div id="bd"> <div id="yui-main"> <div class="yui-b"> <div class="yui-g" id="releases-1.8.1"> <div class="section" id="s-django-1-8-1-release-notes"> <span id="django-1-8-1-release-notes"></span><h1>Django 1.8.1 release notes<a class="headerlink" href="#django-1-8-1-release-notes" title="Permalink to this headline">¶</a></h1> <p><em>May 1, 2015</em></p> <p>Django 1.8.1 fixes several bugs in 1.8 and includes some optimizations in the migrations framework.</p> <div class="section" id="s-bugfixes"> <span id="bugfixes"></span><h2>Bugfixes<a class="headerlink" href="#bugfixes" title="Permalink to this headline">¶</a></h2> <ul class="simple"> <li>Added support for serializing <code class="xref py py-class docutils literal"><span class="pre">timedelta</span></code> objects in migrations (<a class="reference external" href="https://code.djangoproject.com/ticket/24566">#24566</a>).</li> <li>Restored proper parsing of the <a class="reference internal" href="../ref/django-admin.html#django-admin-testserver"><code class="xref std std-djadmin docutils literal"><span class="pre">testserver</span></code></a> command’s positional arguments (fixture names) (<a class="reference external" href="https://code.djangoproject.com/ticket/24571">#24571</a>).</li> <li>Prevented <code class="docutils literal"><span class="pre">TypeError</span></code> in translation functions <code class="docutils literal"><span class="pre">check_for_language()</span></code> and <code class="docutils literal"><span class="pre">get_language_bidi()</span></code> when translations are deactivated (<a class="reference external" href="https://code.djangoproject.com/ticket/24569">#24569</a>).</li> <li>Fixed <a class="reference internal" href="../ref/django-admin.html#django-admin-squashmigrations"><code class="xref std std-djadmin docutils literal"><span class="pre">squashmigrations</span></code></a> command when using <a class="reference internal" href="../ref/migration-operations.html#django.db.migrations.operations.SeparateDatabaseAndState" title="django.db.migrations.operations.SeparateDatabaseAndState"><code class="xref py py-class docutils literal"><span class="pre">SeparateDatabaseAndState</span></code></a> (<a class="reference external" href="https://code.djangoproject.com/ticket/24278">#24278</a>).</li> <li>Stripped microseconds from <code class="docutils literal"><span class="pre">datetime</span></code> values when using an older version of the MySQLdb DB API driver as it does not support fractional seconds (<a class="reference external" href="https://code.djangoproject.com/ticket/24584">#24584</a>).</li> <li>Fixed a migration crash when altering <a class="reference internal" href="../ref/models/fields.html#django.db.models.ManyToManyField" title="django.db.models.ManyToManyField"><code class="xref py py-class docutils literal"><span class="pre">ManyToManyField</span></code></a>s (<a class="reference external" href="https://code.djangoproject.com/ticket/24513">#24513</a>).</li> <li>Fixed a crash with <code class="docutils literal"><span class="pre">QuerySet.update()</span></code> on foreign keys to one-to-one fields (<a class="reference external" href="https://code.djangoproject.com/ticket/24578">#24578</a>).</li> <li>Fixed a regression in the model detail view of <a class="reference internal" href="../ref/contrib/admin/admindocs.html#module-django.contrib.admindocs" title="django.contrib.admindocs: Django's admin documentation generator."><code class="xref py py-mod docutils literal"><span class="pre">admindocs</span></code></a> when a model has a reverse foreign key relation (<a class="reference external" href="https://code.djangoproject.com/ticket/24624">#24624</a>).</li> <li>Prevented arbitrary file inclusions in <a class="reference internal" href="../ref/contrib/admin/admindocs.html#module-django.contrib.admindocs" title="django.contrib.admindocs: Django's admin documentation generator."><code class="xref py py-mod docutils literal"><span class="pre">admindocs</span></code></a> (<a class="reference external" href="https://code.djangoproject.com/ticket/24625">#24625</a>).</li> <li>Fixed a crash with <code class="docutils literal"><span class="pre">QuerySet.update()</span></code> on foreign keys to instances with <code class="docutils literal"><span class="pre">uuid</span></code> primary keys (<a class="reference external" href="https://code.djangoproject.com/ticket/24611">#24611</a>).</li> <li>Fixed database introspection with SQLite 3.8.9 (released April 8, 2015) (<a class="reference external" href="https://code.djangoproject.com/ticket/24637">#24637</a>).</li> <li>Updated <code class="docutils literal"><span class="pre">urlpatterns</span></code> examples generated by <a class="reference internal" href="../ref/django-admin.html#django-admin-startproject"><code class="xref std std-djadmin docutils literal"><span class="pre">startproject</span></code></a> to remove usage of referencing views by dotted path in <a class="reference internal" href="../ref/urls.html#django.conf.urls.url" title="django.conf.urls.url"><code class="xref py py-func docutils literal"><span class="pre">url()</span></code></a> which is deprecated in Django 1.8 (<a class="reference external" href="https://code.djangoproject.com/ticket/24635">#24635</a>).</li> <li>Fixed queries where an expression was referenced in <code class="docutils literal"><span class="pre">order_by()</span></code>, but wasn’t part of the select clause. An example query is <code class="docutils literal"><span class="pre">qs.annotate(foo=F('field')).values('pk').order_by('foo'))</span></code> (<a class="reference external" href="https://code.djangoproject.com/ticket/24615">#24615</a>).</li> <li>Fixed a database table name quoting regression (<a class="reference external" href="https://code.djangoproject.com/ticket/24605">#24605</a>).</li> <li>Prevented the loss of <code class="docutils literal"><span class="pre">null</span></code>/<code class="docutils literal"><span class="pre">not</span> <span class="pre">null</span></code> column properties during field alteration of MySQL databases (<a class="reference external" href="https://code.djangoproject.com/ticket/24595">#24595</a>).</li> <li>Fixed JavaScript path of <code class="docutils literal"><span class="pre">contrib.admin</span></code>’s related field widget when using alternate static file storages (<a class="reference external" href="https://code.djangoproject.com/ticket/24655">#24655</a>).</li> <li>Fixed a migration crash when adding new relations to models (<a class="reference external" href="https://code.djangoproject.com/ticket/24573">#24573</a>).</li> <li>Fixed a migration crash when applying migrations with model managers on Python 3 that were generated on Python 2 (<a class="reference external" href="https://code.djangoproject.com/ticket/24701">#24701</a>).</li> <li>Restored the ability to use iterators as queryset filter arguments (<a class="reference external" href="https://code.djangoproject.com/ticket/24719">#24719</a>).</li> <li>Fixed a migration crash when renaming the target model of a many-to-many relation (<a class="reference external" href="https://code.djangoproject.com/ticket/24725">#24725</a>).</li> <li>Removed flushing of the test database with <a class="reference internal" href="../ref/django-admin.html#django-admin-option---keepdb"><code class="xref std std-djadminopt docutils literal"><span class="pre">--keepdb</span></code></a>, which prevented apps with data migrations from using the option (<a class="reference external" href="https://code.djangoproject.com/ticket/24729">#24729</a>).</li> <li>Fixed <code class="docutils literal"><span class="pre">makemessages</span></code> crash in some locales (<a class="reference external" href="https://code.djangoproject.com/ticket/23271">#23271</a>).</li> <li>Fixed help text positioning of <code class="docutils literal"><span class="pre">contrib.admin</span></code> fields that use the <code class="docutils literal"><span class="pre">ModelAdmin.filter_horizontal</span></code> and <code class="docutils literal"><span class="pre">filter_vertical</span></code> options (<a class="reference external" href="https://code.djangoproject.com/ticket/24676">#24676</a>).</li> <li>Fixed <cite>AttributeError: function ‘GDALAllRegister’ not found</cite> error when initializing <code class="docutils literal"><span class="pre">contrib.gis</span></code> on Windows.</li> </ul> </div> <div class="section" id="s-optimizations"> <span id="optimizations"></span><h2>Optimizations<a class="headerlink" href="#optimizations" title="Permalink to this headline">¶</a></h2> <ul class="simple"> <li>Changed <code class="docutils literal"><span class="pre">ModelState</span></code> to deepcopy fields instead of deconstructing and reconstructing (<a class="reference external" href="https://code.djangoproject.com/ticket/24591">#24591</a>). This speeds up the rendering of model states and reduces memory usage when running <a class="reference internal" href="../ref/django-admin.html#django-admin-migrate"><code class="xref std std-djadmin docutils literal"><span class="pre">manage.py</span> <span class="pre">migrate</span></code></a> (although other changes in this release may negate any performance benefits).</li> </ul> </div> </div> </div> </div> </div> <div class="yui-b" id="sidebar"> <div class="sphinxsidebar" role="navigation" aria-label="main navigation"> <div class="sphinxsidebarwrapper"> <h3><a href="../contents.html">Table Of Contents</a></h3> <ul> <li><a class="reference internal" href="#">Django 1.8.1 release notes</a><ul> <li><a class="reference internal" href="#bugfixes">Bugfixes</a></li> <li><a class="reference internal" href="#optimizations">Optimizations</a></li> </ul> </li> </ul> <h3>Browse</h3> <ul> <li>Prev: <a href="1.8.2.html">Django 1.8.2 release notes</a></li> <li>Next: <a href="1.8.html">Django 1.8 release notes</a></li> </ul> <h3>You are here:</h3> <ul> <li> <a href="../index.html">Django 1.8.19 documentation</a> <ul><li><a href="index.html">Release notes</a> <ul><li>Django 1.8.1 release notes</li></ul> </li></ul> </li> </ul> <div role="note" aria-label="source link"> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../_sources/releases/1.8.1.txt" rel="nofollow">Show Source</a></li> </ul> </div> <div id="searchbox" style="display: none" role="search"> <h3>Quick search</h3> <form class="search" action="../search.html" method="get"> <div><input type="text" name="q" /></div> <div><input type="submit" value="Go" /></div> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <h3>Last update:</h3> <p class="topless">Mar 10, 2018</p> </div> </div> <div id="ft"> <div class="nav"> « <a href="1.8.2.html" title="Django 1.8.2 release notes">previous</a> | <a href="index.html" title="Release notes" accesskey="U">up</a> | <a href="1.8.html" title="Django 1.8 release notes">next</a> »</div> </div> </div> <div class="clearer"></div> </div> </body> </html>