Django 3.0.2 版本发行说明
January 2, 2020
Django 3.0.2 fixes several bugs in 3.0.1.
漏洞修复
- Fixed a regression in Django 3.0 that didn't include columns referenced by a
Subquery() in the GROUP BY clause (#31094). 
- Fixed a regression in Django 3.0 where 
QuerySet.exists() crashed if a
queryset contained an aggregation over a Subquery() (#31109). 
- Fixed a regression in Django 3.0 that caused a migration crash on PostgreSQL
10+ when adding a foreign key and changing data in the same migration
(#31106).
 
- Fixed a regression in Django 3.0 where loading fixtures crashed for models
defining a 
default for the primary key
(#31071).