Django 3.0.4 release notes

    Bugfixes

    • Fixed a regression in Django 3.0 that caused a file response using a temporary file to be closed incorrectly ().
    • Fixed a data loss possibility in the select_for_update(). When using related fields or parent link fields with in the argument, the corresponding models were not locked (#31246).
    • Fixed a regression in Django 3.0.3 that caused misplacing parameters of SQL queries when subtracting DateField or expressions on MySQL ().
    • Fixed a regression in Django 3.0 that didn’t include subqueries spanning multivalued relations in the GROUP BY clause (#31150).