# Django 4.2.9.dev20231204082947 - dokumentacja

# Django 4.1.4 release notes

December 6, 2022

Django 4.1.4 fixes several bugs in 4.1.3.

## Poprawki błędów

- Fixed a regression in Django 4.1 that caused an unnecessary table rebuild when adding a `ManyToManyField` on SQLite (#34138).
- Fixed a bug in Django 4.1 that caused a crash of the sitemap index view with an empty `Sitemap.items()` and a callable `lastmod` (#34088).
- Fixed a bug in Django 4.1 that caused a crash using `acreate()`, `aget_or_create()`, and `aupdate_or_create()` asynchronous methods of related managers (#34139).
- Fixed a bug in Django 4.1 that caused a crash of `QuerySet.bulk_create()` with `"pk"` in `unique_fields` (#34177).
- Fixed a bug in Django 4.1 that caused a crash of `QuerySet.bulk_create()` on fields with `db_column` (#34171).