Merge pull request #8699 from radarhere/mozjpeg

python-pillow · Jan 17, 2025 · a92a664 · a92a664
2 parents 4f7510b + 2842977
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diff --git a/docs/reference/features.rst b/docs/reference/features.rst
@@ -54,6 +54,7 @@ Feature version numbers are available only where stated.
 Support for the following features can be checked:
 
 * ``libjpeg_turbo``: (compile time) Whether Pillow was compiled against the libjpeg-turbo version of libjpeg. Compile-time version number is available.
+* ``mozjpeg``: (compile time) Whether Pillow was compiled against the MozJPEG version of libjpeg. Compile-time version number is available.
 * ``zlib_ng``: (compile time) Whether Pillow was compiled against the zlib-ng version of zlib. Compile-time version number is available.
 * ``raqm``: Raqm library, required for ``ImageFont.Layout.RAQM`` in :py:func:`PIL.ImageFont.truetype`. Run-time version number is available for Raqm 0.7.0 or newer.
 * ``libimagequant``: (compile time) ImageQuant quantization support in :py:func:`PIL.Image.Image.quantize`. Run-time version number is available.

diff --git a/docs/releasenotes/11.2.0.rst b/docs/releasenotes/11.2.0.rst
@@ -44,10 +44,15 @@ TODO
 API Additions
 =============
 
-TODO
-^^^^
+Check for MozJPEG
+^^^^^^^^^^^^^^^^^
 
-TODO
+You can check if Pillow has been built against the MozJPEG version of the
+libjpeg library, and what version of MozJPEG is being used::
+
+    from PIL import features
+    features.check_feature("mozjpeg")  # True or False
+    features.version_feature("mozjpeg")  # "4.1.1" for example, or None
 
 Other Changes
 =============