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Django 4.2.21 release notes
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*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`).