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163 lines
4.7 KiB
ReStructuredText
163 lines
4.7 KiB
ReStructuredText
11.0.0
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------
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Backwards Incompatible Changes
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==============================
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Python 3.8
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^^^^^^^^^^
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Pillow has dropped support for Python 3.8,
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which reached end-of-life in October 2024.
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Python 3.12 on macOS <= 10.12
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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The latest version of Python 3.12 only supports macOS versions 10.13 and later,
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and so Pillow has also updated the deployment target for its prebuilt Python 3.12
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wheels.
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PSFile
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^^^^^^
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The :py:class:`!PSFile` class was removed in Pillow 11 (2024-10-15).
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This class was only made as a helper to be used internally,
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so there is no replacement. If you need this functionality though,
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it is a very short class that can easily be recreated in your own code.
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PyAccess and Image.USE_CFFI_ACCESS
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Since Pillow's C API is now faster than PyAccess on PyPy, ``PyAccess`` has been
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removed. Pillow's C API will now be used on PyPy instead.
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``Image.USE_CFFI_ACCESS``, for switching from the C API to PyAccess, was
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similarly removed.
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TiffImagePlugin IFD_LEGACY_API
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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An unused setting, ``TiffImagePlugin.IFD_LEGACY_API``, has been removed.
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WebP 0.4
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^^^^^^^^
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Support for WebP 0.4 and earlier has been removed; WebP 0.5 is the minimum supported.
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Deprecations
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============
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FreeType 2.9.0
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^^^^^^^^^^^^^^
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.. deprecated:: 11.0.0
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Support for FreeType 2.9.0 is deprecated and will be removed in Pillow 12.0.0
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(2025-10-15), when FreeType 2.9.1 will be the minimum supported.
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We recommend upgrading to at least FreeType `2.10.4`_, which fixed a severe
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vulnerability introduced in FreeType 2.6 (:cve:`2020-15999`).
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.. _2.10.4: https://sourceforge.net/projects/freetype/files/freetype2/2.10.4/
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Get internal pointers to objects
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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.. deprecated:: 11.0.0
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``Image.core.ImagingCore.id`` and ``Image.core.ImagingCore.unsafe_ptrs`` have been
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deprecated and will be removed in Pillow 12 (2025-10-15). They were used for obtaining
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raw pointers to ``ImagingCore`` internals. To interact with C code, you can use
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``Image.Image.getim()``, which returns a ``Capsule`` object.
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ICNS (width, height, scale) sizes
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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.. deprecated:: 11.0.0
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Setting an ICNS image size to ``(width, height, scale)`` before loading has been
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deprecated. Instead, ``load(scale)`` can be used.
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Image isImageType()
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^^^^^^^^^^^^^^^^^^^
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.. deprecated:: 11.0.0
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``Image.isImageType(im)`` has been deprecated. Use ``isinstance(im, Image.Image)``
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instead.
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ImageMath.lambda_eval and ImageMath.unsafe_eval options parameter
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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.. deprecated:: 11.0.0
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The ``options`` parameter in :py:meth:`~PIL.ImageMath.lambda_eval()` and
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:py:meth:`~PIL.ImageMath.unsafe_eval()` has been deprecated. One or more
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keyword arguments can be used instead.
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JpegImageFile.huffman_ac and JpegImageFile.huffman_dc
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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.. deprecated:: 11.0.0
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The ``huffman_ac`` and ``huffman_dc`` dictionaries on JPEG images were unused. They
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have been deprecated, and will be removed in Pillow 12 (2025-10-15).
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Specific WebP Feature Checks
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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.. deprecated:: 11.0.0
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``features.check("transp_webp")``, ``features.check("webp_mux")`` and
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``features.check("webp_anim")`` are now deprecated. They will always return
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``True`` if the WebP module is installed, until they are removed in Pillow
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12.0.0 (2025-10-15).
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API Changes
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===========
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Default resampling filter for I;16* image modes
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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The default resampling filter for I;16, I;16L, I;16B and I;16N has been changed from
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``Image.NEAREST`` to ``Image.BICUBIC``, to match the majority of modes.
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API Additions
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=============
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Writing XMP bytes to JPEG and MPO
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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XMP data can now be saved to JPEG files using an ``xmp`` argument::
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im.save("out.jpg", xmp=b"test")
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The data can also be set through :py:attr:`~PIL.Image.Image.info`, for use when saving
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either JPEG or MPO images::
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im.info["xmp"] = b"test"
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im.save("out.jpg")
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Other Changes
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=============
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Python 3.13
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^^^^^^^^^^^
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Pillow 10.4.0 had wheels built against Python 3.13 beta, available as a preview to help
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others prepare for 3.13, and to ensure Pillow could be used immediately at the release
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of 3.13.0 final (2024-10-07, :pep:`719`).
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Pillow 11.0.0 now officially supports Python 3.13.
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Support has also been added for the experimental free-threaded mode of :pep:`703`.
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Python 3.13 only supports macOS versions 10.13 and later.
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C-level Flags
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^^^^^^^^^^^^^
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Some compiling flags like ``WITH_THREADING``, ``WITH_IMAGECHOPS``, and other
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``WITH_*`` were removed. These flags were not available through the build system,
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but they could be edited in the C source.
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