---
title: "Django 2.1.12 release notes"
version: 4.1
locale: es
source: https://docs.djangoproject.com/es/4.1/releases/2.1.12/
canonical: https://djangodocs.dev/es/4.1/releases/2.1.12/
---
# Django 2.1.12 release notes

*September 2, 2019*

Django 2.1.12 fixes a regression in 2.1.11.

## Bugfixes

- Fixed crash of `KeyTransform()` for
  `django.contrib.postgres.fields.JSONField` and
  [`HStoreField`](/es/4.1/ref/contrib/postgres/fields/#django.contrib.postgres.fields.HStoreField) when using on
  expressions with params ([#30672](https://code.djangoproject.com/ticket/30672)).