diff --git a/django/contrib/admin/widgets.py b/django/contrib/admin/widgets.py
index 81b57f33aada..f5c393901254 100644
--- a/django/contrib/admin/widgets.py
+++ b/django/contrib/admin/widgets.py
@@ -122,6 +122,7 @@ class AdminRadioSelect(forms.RadioSelect):
class AdminFileWidget(forms.ClearableFileInput):
template_name = "admin/widgets/clearable_file_input.html"
+ use_fieldset = True
def url_params_from_lookup_dict(lookups):
diff --git a/django/db/backends/postgresql/compiler.py b/django/db/backends/postgresql/compiler.py
index 48d0ccfd9d06..9d383b52e8cc 100644
--- a/django/db/backends/postgresql/compiler.py
+++ b/django/db/backends/postgresql/compiler.py
@@ -53,7 +53,9 @@ def assemble_as_sql(self, fields, value_rows):
or any(any(hasattr(value, "as_sql") for value in row) for row in value_rows)
):
return super().assemble_as_sql(fields, value_rows)
- db_types = [field.db_type(self.connection) for field in fields]
+ # Manually remove parameters from `db_type` to ensure no data
+ # truncation takes place (e.g. varchar[] instead of varchar(50)[]).
+ db_types = [field.db_type(self.connection).split("(")[0] for field in fields]
return InsertUnnest(["(%%s)::%s[]" % db_type for db_type in db_types]), [
list(map(list, zip(*value_rows)))
]
diff --git a/django/forms/widgets.py b/django/forms/widgets.py
index b77e57abce64..1bcfeba2886e 100644
--- a/django/forms/widgets.py
+++ b/django/forms/widgets.py
@@ -530,7 +530,7 @@ class ClearableFileInput(FileInput):
input_text = _("Change")
template_name = "django/forms/widgets/clearable_file_input.html"
checked = False
- use_fieldset = True
+ use_fieldset = False
def clear_checkbox_name(self, name):
"""
diff --git a/docs/releases/5.2.10.txt b/docs/releases/5.2.10.txt
index 0b7ab06d549e..6be8f7988576 100644
--- a/docs/releases/5.2.10.txt
+++ b/docs/releases/5.2.10.txt
@@ -4,11 +4,15 @@ Django 5.2.10 release notes
*Expected January 6, 2026*
-Django 5.2.10 fixes several bugs in 5.2.9.
+Django 5.2.10 fixes a data loss bug in Django 5.2 and one bug related to
+support for Python 3.14.
Bugfixes
========
+* Fixed a bug in Django 5.2 where data exceeding ``max_length`` was silently
+ truncated by :meth:`.QuerySet.bulk_create` on PostgreSQL (:ticket:`33647`).
+
* Fixed a bug where management command colorized help (introduced in
Python 3.14) ignored the :option:`--no-color` option and the
:envvar:`DJANGO_COLORS` setting (:ticket:`36376`).
diff --git a/docs/releases/6.0.1.txt b/docs/releases/6.0.1.txt
index 753d2c87ad0e..a84b1ba6efd1 100644
--- a/docs/releases/6.0.1.txt
+++ b/docs/releases/6.0.1.txt
@@ -4,11 +4,14 @@ Django 6.0.1 release notes
*Expected January 6, 2026*
-Django 6.0.1 fixes several bugs in 6.0.
+Django 6.0.1 fixes one data loss bug in Django 5.2 and several bugs in 6.0.
Bugfixes
========
+* Fixed a bug in Django 5.2 where data exceeding ``max_length`` was silently
+ truncated by :meth:`.QuerySet.bulk_create` on PostgreSQL (:ticket:`33647`).
+
* Fixed a regression in Django 6.0 where :ttag:`querystring` mishandled
multi-value :class:`~django.http.QueryDict` keys, both by only preserving the
last value and by incorrectly handling ``None`` values (:ticket:`36783`).
@@ -35,3 +38,7 @@ Bugfixes
* Fixed a regression in Django 6.0 where :func:`~django.urls.path` routes
defined using :func:`~django.utils.translation.gettext_lazy` failed to
resolve correctly (:ticket:`36796`).
+
+* Fixed a regression in Django 6.0 where the :attr:`.Widget.use_fieldset`
+ attribute of :class:`~django.forms.ClearableFileInput` was flipped
+ from ``False`` to ``True`` (:ticket:`36829`).
diff --git a/tests/backends/postgresql/test_compilation.py b/tests/backends/postgresql/test_compilation.py
index 275660607d7e..a922df39562f 100644
--- a/tests/backends/postgresql/test_compilation.py
+++ b/tests/backends/postgresql/test_compilation.py
@@ -3,6 +3,7 @@
from django.db import connection
from django.db.models.expressions import RawSQL
+from django.db.utils import DataError
from django.test import TestCase
from ..models import Article, Reporter, Square
@@ -48,3 +49,12 @@ def test_unnest_eligible_foreign_keys(self):
self.assertEqual(
[article.reporter for article in articles], [reporter, reporter]
)
+
+ def test_parametrized_db_type(self):
+ with self.assertRaises(DataError):
+ Reporter.objects.bulk_create(
+ [
+ Reporter(),
+ Reporter(first_name="a" * 31),
+ ]
+ )
diff --git a/tests/forms_tests/widget_tests/test_clearablefileinput.py b/tests/forms_tests/widget_tests/test_clearablefileinput.py
index 8f2d951966e7..ae54cc4b5da9 100644
--- a/tests/forms_tests/widget_tests/test_clearablefileinput.py
+++ b/tests/forms_tests/widget_tests/test_clearablefileinput.py
@@ -246,19 +246,18 @@ class TestForm(Form):
)
form = TestForm()
- self.assertIs(self.widget.use_fieldset, True)
+ self.assertIs(self.widget.use_fieldset, False)
self.assertHTMLEqual(
- "'
- "',
form.render(),
)