Removed extra newline.
Checked more precisely whether the app registry is ready.

Accounted for the three stages of population: app configs, models,
ready() methods of app configs.
Fixed #22939 -- Delayed admin_static backend detection

Thanks generalov for the report.
Added a newline to appease flake8
Fixed #23015 -- Fixed major/minor release terminology in docs.
Fixed/improved release note for refs #13147; thanks Loic.
Fixed #22789 -- Deprecated django.contrib.webdesign.

Moved the {% lorem %} tag to built-in tags.