bump to v0.5.3

Author: tikuma-lsuhsc

CHANGELOG.md

@@ -5,6 +5,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 ## [Unreleased]
 
+## [0.5.3] - 2026-8-11
+
+### Fixed
+
+- Pre-v0.5 backward compatibility fix
+
 ## [0.5.2] - 2026-06-03
 
 ### Fixed
@@ -106,7 +112,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 - First release via GitHub Action
 
-[Unreleased]: https://github.com/python-ffmpegio/python-ffmpegio/compare/v0.5.2...HEAD
+[Unreleased]: https://github.com/python-ffmpegio/python-ffmpegio/compare/v0.5.3...HEAD
+[0.5.3]: https://github.com/python-ffmpegio/python-ffmpegio/compare/v0.5.2...v0.5.3
 [0.5.2]: https://github.com/python-ffmpegio/python-ffmpegio/compare/v0.5.1...v0.5.2
 [0.5.1]: https://github.com/python-ffmpegio/python-ffmpegio/compare/v0.5.0...v0.5.1
 [0.5.0]: https://github.com/python-ffmpegio/python-ffmpegio/compare/v0.4.0...v0.5.0

src/ffmpeg_downloader/__init__.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-__version__ = "0.5.2"
+__version__ = "0.5.3"
 
 import os