{"title":"Django 2.2.7 release notes","version":"dev","locale":"en","docname":"releases/2.2.7","url":"/en/dev/releases/2.2.7/","canonical":"https://djangodocs.dev/en/dev/releases/2.2.7/","summary":"Django 2.2.7 fixes several bugs in 2.2.6. Fixed a crash when using a contains, contained_by, has_key, has_keys, or has_any_keys lookup on…","html":"<h1>Django 2.2.7 release notes<a class=\"heading-anchor\" href=\"#django-2-2-7-release-notes\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h1>\n<p><em>November 4, 2019</em></p>\n<p>Django 2.2.7 fixes several bugs in 2.2.6.</p>\n<section id=\"bugfixes\">\n<h2>Bugfixes<a class=\"heading-anchor\" href=\"#bugfixes\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h2>\n<ul class=\"simple\">\n<li><p>Fixed a crash when using a <code class=\"docutils literal notranslate\">contains</code>, <code class=\"docutils literal notranslate\">contained_by</code>, <code class=\"docutils literal notranslate\">has_key</code>,\n<code class=\"docutils literal notranslate\">has_keys</code>, or <code class=\"docutils literal notranslate\">has_any_keys</code> lookup on\n<code class=\"docutils literal notranslate\">django.contrib.postgres.fields.JSONField</code>, if the right or left hand\nside of an expression is a key transform (<a class=\"extlink-ticket reference external\" href=\"https://code.djangoproject.com/ticket/30826\">#30826</a>).</p></li>\n<li><p>Prevented <a class=\"reference internal\" href=\"/en/dev/ref/django-admin/#cmdoption-migrate-plan\"><code class=\"xref std std-option docutils literal notranslate\">migrate --plan</code></a> from showing that <code class=\"docutils literal notranslate\">RunPython</code> operations\nare irreversible when <code class=\"docutils literal notranslate\">reverse_code</code> callables don’t have docstrings or\nwhen showing a forward migration plan (<a class=\"extlink-ticket reference external\" href=\"https://code.djangoproject.com/ticket/30870\">#30870</a>).</p></li>\n<li><p>Fixed migrations crash on PostgreSQL when adding an\n<a class=\"reference internal\" href=\"/en/dev/ref/models/indexes/#django.db.models.Index\" title=\"django.db.models.Index\"><code class=\"xref py py-class docutils literal notranslate\">Index</code></a> with fields ordering and\n<a class=\"reference internal\" href=\"/en/dev/ref/models/indexes/#django.db.models.Index.opclasses\" title=\"django.db.models.Index.opclasses\"><code class=\"xref py py-attr docutils literal notranslate\">opclasses</code></a> (<a class=\"extlink-ticket reference external\" href=\"https://code.djangoproject.com/ticket/30903\">#30903</a>).</p></li>\n<li><p>Restored the ability to override\n<a class=\"reference internal\" href=\"/en/dev/ref/models/instances/#django.db.models.Model.get_FOO_display\" title=\"django.db.models.Model.get_FOO_display\"><code class=\"xref py py-meth docutils literal notranslate\">get_FOO_display()</code></a> (<a class=\"extlink-ticket reference external\" href=\"https://code.djangoproject.com/ticket/30931\">#30931</a>).</p></li>\n</ul>\n</section>","rootId":"django-2-2-7-release-notes","toc":[{"title":"Bugfixes","anchor":"bugfixes","children":[]}],"breadcrumbs":[{"docname":"releases/index","title":"Release notes","url":"/en/dev/releases/"}],"prev":{"docname":"releases/2.2.8","title":"Django 2.2.8 release notes","url":"/en/dev/releases/2.2.8/"},"next":{"docname":"releases/2.2.6","title":"Django 2.2.6 release notes","url":"/en/dev/releases/2.2.6/"},"formats":{"html":"/en/dev/releases/2.2.7/","markdown":"/en/dev/releases/2.2.7.md","json":"/en/dev/releases/2.2.7.json"},"source":"https://github.com/django/django/blob/main/docs/releases/2.2.7.txt","official":"https://docs.djangoproject.com/en/dev/releases/2.2.7/","inVersions":["dev","6.1","6.0","5.2","5.1","5.0","4.2","4.1","4.0","3.2","3.1","3.0","2.2"],"inLocales":["en"]}