Pillow 12.1.1 release notes
Pillow 12.1.1 has been released!
This is a security release, addressing an issue in Pillow >= 10.3.0, so upgrade soon!
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#PythonPillow
Posts tagged #PythonPillow on Bluesky
Using the new Tachyon profiler coming to Python 3.15 I profiled a one-liner to find a bottleneck, and sped up some 26-year-old code in @pillow.fosstodon.org.ap.brid.gy!
hugovk.dev/blog/2026/fa...
#Python #python315 #Tachyon #Pillow #PythonPillow #performance
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Pillow 12.0.0 is out released!
🎨 Support for Python 3.14!
🎨 Dropped EOL 3.9!
🎨 New ImageText.Text API!
🎨 Removed deprecations!
🎨 New deprecations!
📜 And more: pillow.readthedocs.io/en/stable/releasenotes/1...
📜📜📜 And much more […]
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Pillow 11.3.0 release notes
Pillow 11.3.0 has been released!
This release offers wheels that include AVIF support, wheels for Python 3.14 and even iOS wheels.
Read more about our changes and a security fix at pillow.readthedocs.io/en/stable/releasenotes/1...
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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)
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")
![Other Changes
Arrow support
Arrow is an in-memory data exchange format that is the spiritual successor to the NumPy array interface. It provides for zero-copy access to columnar data, which in our case is Image data.
To create an image with zero-copy shared memory from an object exporting the arrow_c_array interface protocol:
from PIL import Image
import pyarrow as pa
arr = pa.array([0]*(5*5*4), type=pa.uint8())
im = Image.fromarrow(arr, 'RGBA', (5, 5))
Pillow images can also be converted to Arrow objects:
from PIL import Image
import pyarrow as pa
im = Image.open('hopper.jpg')
arr = pa.array(im)
Reading and writing AVIF images
Pillow can now read and write AVIF images when built from source with libavif 1.0.0 or later.](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:caiaryxbbflee5p7vvkjdbub/bafkreig55jeq7dvutdgvi6sgsico5vtyjtib5kvmvpovcadscwuu3afpmi)
Other Changes Arrow support Arrow is an in-memory data exchange format that is the spiritual successor to the NumPy array interface. It provides for zero-copy access to columnar data, which in our case is Image data. To create an image with zero-copy shared memory from an object exporting the arrow_c_array interface protocol: from PIL import Image import pyarrow as pa arr = pa.array([0]*(5*5*4), type=pa.uint8()) im = Image.fromarrow(arr, 'RGBA', (5, 5)) Pillow images can also be converted to Arrow objects: from PIL import Image import pyarrow as pa im = Image.open('hopper.jpg') arr = pa.array(im) Reading and writing AVIF images Pillow can now read and write AVIF images when built from source with libavif 1.0.0 or later.
🐍🚀🎨 Pillow 11.2.1 has been released!
What happened to 11.2.0?
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 […]
[Original post on fosstodon.org]
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