Fixed #34994, Fixed #35386 -- Applied checkbox-row CSS class unconditionally in Admin.

django/contrib/admin/templates/admin/includes/fieldset.html

@@ -9,7 +9,7 @@
             {% for field in line %}
                 <div>
                     {% if not line.fields|length == 1 and not field.is_readonly %}{{ field.errors }}{% endif %}
-                        <div class="flex-container{% if not line.fields|length == 1 %} fieldBox{% if field.field.name %} field-{{ field.field.name }}{% endif %}{% if not field.is_readonly and field.errors %} errors{% endif %}{% if field.field.is_hidden %} hidden{% endif %}{% elif field.is_checkbox %} checkbox-row{% endif %}">
+                        <div class="flex-container{% if not line.fields|length == 1 %} fieldBox{% if field.field.name %} field-{{ field.field.name }}{% endif %}{% if not field.is_readonly and field.errors %} errors{% endif %}{% if field.field.is_hidden %} hidden{% endif %}{% endif %}{% if field.is_checkbox %} checkbox-row{% endif %}">
                             {% if field.is_checkbox %}
                                 {{ field.field }}{{ field.label_tag }}
                             {% else %}

docs/releases/4.2.12.txt

@@ -12,3 +12,7 @@ Bugfixes
 * Fixed a crash in Django 4.2 when validating email max line lengths with
   content decoded using the ``surrogateescape`` error handling scheme
   (:ticket:`35361`).
+
+* Fixed a regression in Django 4.2 where multiple checkboxes in the admin would
+  be centered on narrower screen widths (:ticket:`34994`) or have misaligned
+  labels (:ticket:`35386`).

docs/releases/5.0.5.txt

@@ -20,3 +20,7 @@ Bugfixes
 * Fixed a bug in Django 5.0 that caused a crash when applying migrations
   including alterations to ``GeneratedField`` such as setting ``db_index=True``
   on SQLite (:ticket:`35373`).
+
+* Fixed a regression in Django 4.2 where multiple checkboxes in the admin would
+  be centered on narrower screen widths (:ticket:`34994`) or have misaligned
+  labels (:ticket:`35386`).