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+===========================
+Django 4.2.21 release notes
+===========================
+
+*Expected May 7, 2025*
+
+Django 4.2.21 fixes a data loss bug in 4.2.20.
+
+Bugfixes
+========
+
+* Fixed a data corruption possibility in ``file_move_safe()`` when
+ ``allow_overwrite=True``, where leftover content from a previously larger
+ file could remain after overwriting with a smaller one due to lack of
+ truncation (:ticket:`36298`).