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Two things: we added AVIF support which made the wheels much bigger, and we hit the PyPI project size limit before the release could be fully updated.

11.2.1 instead has AVIF support but needs to be built from source. We'll look into including AVIF in wheels in a future release so that the size doesn't increase so much.

This release also adds Arrow support and more:

https://pillow.readthedocs.io/en/stable/releasenotes/11.2.1.html

#Python #Pillow #PythonPillow #release

11.2.1 (2025-04-12)

Warning
The release of Pillow 11.2.0 was halted prematurely, due to hitting PyPI’s project size limit and concern over the size of Pillow wheels containing libavif. The PyPI limit has now been increased and Pillow 11.2.1 has been released instead, without libavif included in the wheels. To avoid confusion, the incomplete 11.2.0 release has been removed from PyPI.

Security
Undefined shift when loading compressed DDS images
When loading some compressed DDS formats, an integer was bitshifted by 24 places to generate the 32 bits of the lookup table. This was undefined behaviour, and has been present since Pillow 3.4.0.

Deprecations
Image.Image.get_child_images()
Deprecated since version 11.2.1.

Image.Image.get_child_images() has been deprecated. and will be removed in Pillow 13 (2026-10-15). It will be moved to ImageFile.ImageFile.get_child_images(). The method uses an image’s file pointer, and so child images could only be retrieved from an PIL.ImageFile.ImageFile instance.

API Changes
append_images no longer requires save_all
Previously, save_all was required to in order to use append_images. Now, save_all will default to True if append_images is not empty and the format supports saving multiple frames:

im.save("out.gif", append_images=ims)

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$API Additions "justify" multiline text alignment In addition to "left", "center" and "right", multiline text can also be aligned using "justify" in ImageDraw: from PIL import Image, ImageDraw im = Image.new("RGB", (50, 25)) draw = ImageDraw.Draw(im) draw.multiline_text((0, 0), "Multiline\ntext 1", align="justify") draw.multiline_textbbox((0, 0), "Multiline\ntext 2", align="justify") Specify window in ImageGrab on Windows When using grab(), a specific window can be selected using the HWND: from PIL import ImageGrab ImageGrab.grab(window=hwnd) Check for MozJPEG You can check if Pillow has been built against the MozJPEG version of the libjpeg library, and what version of MozJPEG is being used: from PIL import features features.check_feature("mozjpeg") # True or False features.version_feature("mozjpeg") # "4.1.1" for example, or None Saving compressed DDS images Compressed DDS images can now be saved using a pixel_format argument. DXT1, DXT3, DXT5, BC2, BC3 and BC5 are supported: im.save("out.dds", pixel_format="DXT1")$

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