Refs #31863 -- Added release notes for 94ea79be137f3cb30949bf82198e96e094f2650d.

docs/releases/2.2.16.txt

@@ -4,7 +4,7 @@ Django 2.2.16 release notes
 
 *Expected September 1, 2020*
 
-Django 2.2.16 fixes a data loss bug in 2.2.15.
+Django 2.2.16 fixes two data loss bugs in 2.2.15.
 
 Bugfixes
 ========
@@ -13,3 +13,6 @@ Bugfixes
   :meth:`~django.db.models.query.QuerySet.select_for_update()`. When using
   related fields pointing to a proxy model in the ``of`` argument, the
   corresponding model was not locked (:ticket:`31866`).
+
+* Fixed a data loss possibility, following a regression in Django 2.0, when
+  copying model instances with a cached fields value (:ticket:`31863`).

docs/releases/3.0.10.txt

@@ -4,7 +4,7 @@ Django 3.0.10 release notes
 
 *Expected September 1, 2020*
 
-Django 3.0.10 fixes a data loss bug in 3.0.9.
+Django 3.0.10 fixes two data loss bugs in 3.0.9.
 
 Bugfixes
 ========
@@ -13,3 +13,6 @@ Bugfixes
   :meth:`~django.db.models.query.QuerySet.select_for_update()`. When using
   related fields pointing to a proxy model in the ``of`` argument, the
   corresponding model was not locked (:ticket:`31866`).
+
+* Fixed a data loss possibility, following a regression in Django 2.0, when
+  copying model instances with a cached fields value (:ticket:`31863`).

docs/releases/3.1.1.txt

@@ -29,3 +29,6 @@ Bugfixes
 * Fixed a regression in Django 3.1 that caused a crash when passing deprecated
   keyword arguments to a queryset in ``TemplateView.get_context_data()``
   (:ticket:`31877`).
+
+* Fixed a data loss possibility, following a regression in Django 2.0, when
+  copying model instances with a cached fields value (:ticket:`31863`).