If you need to support IE8 and must also use the latest version of Django, you can override the admin’s copy of j Query with your own by creating a Django application with this structure: Compiling django/conf/app_template/...File "django/conf/app_template/apps.py", line 4 class Config(App Config): ^ Syntax Error: invalid syntax Compiling django/conf/app_template/...If you haven’t updated your code within the deprecation timeline for a given feature, its removal may appear as a backwards incompatible change.

(It's not very clear in the documentation that the clean method is called by the admin, but I've verified it here)

The previous behavior can be restored by replacing direct assignment by a call to error if a template source existed but was unreadable.

This could happen under many circumstances, such as if Django didn’t have permissions to open the file, or if the template source was a directory.

Older browser may experience varying levels of graceful degradation.

option to run a project’s tests in multiple processes in parallel. You must ensure that different test cases don’t access the same resources.