This would break upcoming changes and AdminSite assumptions about having an app_config for each application that has registered models.
Instead of setting ``warning_stream`` in the docutils config overrides to ``False`` I opted for filtering the stderr in the tests to keep the error output showing up in server logs. Thanks Tim Graham for the report and review
Changed SessionBase.pop's second argument to explicitly be default=None rather than *args since _session is always a dict. Thanks gabor for the report and Tim Graham for the review.
Thanks Tim Graham for the review.
Thanks Scott Sanders for the report, and Markus Holtermann and Tim Graham for the reviews. Refs #24381.