https://pillow.readthedocs.io/en/stable/releasenotes/12.2.0.html

Documentation

• Update 12.2.0 release notes #9522 [@hugovk]
• Add loader plugins: AMOS abk, Atari Degas, 40+ more obscure formats via Netpbm #9482 [@bitplane]
• Update Python versions #9515 [@radarhere]
• Jeffrey A. Clark -> Jeffrey 'Alex' Clark #9513 [@aclark4life]
• Add release notes for #9394, #9419 and #9456 #9467 [@radarhere]
• Add Amiga Workbench .info loader to 3rd party plugins list #9459 [@bitplane]
• Merge PFM documentation into PPM #9434 [@radarhere]
• Update macOS tested Pillow versions #9431 [@radarhere]
• Fix CVE number #9430 [@hugovk]

Dependencies

• Update xz to 5.8.3 #9523 [@radarhere]
• Update libjpeg-turbo to 3.1.4.1 #9507 [@radarhere]
• Update libpng to 1.6.56 #9499 [@radarhere]
• Update freetype to 2.14.3 #9485 [@radarhere]
• Updated libavif to 1.4.1 #9479 [@radarhere]
• Updated harfbuzz to 13.2.1 #9461 [@radarhere]
• Update Ghostscript to 10.7.0 #9469 [@radarhere]
• Update harfbuzz to 13.0.1 #9453 [@radarhere]
• Update libavif to 1.4.0 #9460 [@radarhere]
• Update freetype to 2.14.2 #9449 [@radarhere]
• Update actions/download-artifact action to v8 #9451 [@renovate[bot]]
• Updated libpng to 1.6.55 #9425 [@radarhere]

Testing

• Cleanup .spider extension in the same test where it is added #9517 [@radarhere]
• Run tests in parallel via tox for 3.5x speedup #9516 [@hugovk]
• Enable colour in CI logs #9486 [@hugovk]
• Update Ghostscript to 10.7.0 #9469 [@radarhere]
• Simplify TGA test code #9477 [@radarhere]
• Update tests to check for ValueError when encoding an empty image #9464 [@radarhere]
• Upgrade CI from macos-15-intel to macos-26-intel #9454 [@hugovk]
• Add check-case-conflict hook #9446 [@radarhere]
• Specify platform when pulling docker image #9440 [@radarhere]
• GHA: Cache libavif and webp builds for Ubuntu #9437 [@hugovk]
• Update macOS tested Pillow versions #9431 [@radarhere]

Other changes

• Check calloc return value #9527 [@radarhere]
• Check all allocs in the Arrow tree #9488 [@wiredfool]
• Reject non-numeric elements inside list coords #9526 [@hugovk]
• Move variable declaration inside define #9525 [@radarhere]
• Resize tall images vertically first #9524 [@radarhere]
• Avoid overflow by not adding extents together #9520 [@hugovk]
• Use long for glyph position #9518 [@hugovk]
• Raise an error if the trailer chain loops back on itself #9519 [@hugovk]
• Only read as much data from gzip-decompressed data as necessary #9521 [@hugovk]
• Allow None extents in C setimage() #9504 [@radarhere]
• Use critical sections to protect FontObject #9498 [@colesbury]
• Add ImageText.Text.wrap() to wrap text #9286 [@radarhere]
• Always call StubHandler open() when opening StubImageFile #9412 [@radarhere]
• Improved BCn overflow check #9043 [@radarhere]
• Image will never be None #9512 [@radarhere]
• Raise EOFError when seeking too far in PSD #9388 [@radarhere]
• Raise error if ImageGrab subprocess gives non-zero returncode #9321 [@radarhere]
• Allow for different palette entry sizes when correcting BMP pixel data offset #9472 [@radarhere]
• Ignore unspecified extra samples for TIFF separate planar configuration #9514 [@radarhere]
• Add PERF to lint and fix findings #9510 [@hugovk]
• Switch iOS back to macos-15-intel #9509 [@radarhere]
• Catch struct.error #9505 [@radarhere]
• Check PyCapsule_GetPointer and PyBytes_FromStringAndSize return values #9508 [@radarhere]
• Fix missing null dereference checks #9489 [@wiredfool]
• CI: Retry failed downloads #9506 [@hugovk]
• Use PyModule_AddObjectRef #9503 [@radarhere]
• Release reference to encoder on error #9500 [@radarhere]
• Fixed AVIF and WEBP dealloc #9501 [@radarhere]
• Check PyType_Ready return values #9502 [@radarhere]
• Check if PyObject_CallMethod result is NULL #9494 [@radarhere]
• Do not use palette from grayscale or bilevel colorspace when reading JPEG2000 images #9468 [@radarhere]
• If TGA v2 extension area specifies no alpha, fill alpha channel #9478 [@radarhere]
• Set image pixels individually on 32-bit Windows #9492 [@radarhere]
• Add error messages before returning NULL when encoding #9493 [@radarhere]
• Fix _getxy refcount leaks #9487 [@hugovk]
• Fix invalid test font #9483 [@radarhere]
• Add Exif tag "FrameRate" #9470 [@zhiyuanouyang]
• Support reading JPEG2000 images with CMYK palettes #9456 [@radarhere]
• Simplify setimage() by always passing extents #9395 [@radarhere]
• If bitmap buffer is empty, do not render anything #8324 [@radarhere]
• Change to ValueError when encoding an empty image #9394 [@radarhere]
• Add FontFile.to_imagefont() #9419 [@fjhenigman]
• [pre-commit.ci] pre-commit autoupdate #9450 [@pre-commit-ci[bot]]
• Use walrus operator #9448 [@radarhere]
• Only close file handle in ImagePalette.save() if it was opened internally #9444 [@bysiber]
• Fix self.decode typo #9445 [@bysiber]
• Fix BMP RLE delta escape reading from wrong file position #9443 [@bysiber]
• Correct error check when encoding AVIF images #9442 [@radarhere]
• Fix unexpected error when saving zero dimension images #9391 [@radarhere]
• Use uppercase format ID for PALM #9435 [@radarhere]

https://pillow.readthedocs.io/en/stable/releasenotes/12.1.0.html

Deprecations

• Deprecate getdata(), in favour of new get_flattened_data() #9292 [@radarhere]

Documentation

• Specify APNG duration type when opening #9368 [@radarhere]
• Added release notes for #9350 #9366 [@radarhere]
• Update ImageMorph documentation #9349 [@radarhere]
• Docs: update major bump cadence #9334 [@hugovk]
• Add release notes for #9070 #9320 [@radarhere]
• Updated Ubuntu version #9306 [@radarhere]
• Update macOS tested Pillow versions #9265 [@radarhere]

Dependencies

• Update harfbuzz to 12.3.0 #9355 [@radarhere]
• Update xz to 5.8.2 #9343 [@radarhere]
• Updated libjpeg-turbo to 3.1.3 #9333 [@radarhere]
• Updated zlib-ng to 2.3.2 #9324 [@radarhere]
• Updated libpng to 1.6.53 #9325 [@radarhere]
• Update actions/checkout action to v6 #9323 [@renovate[bot]]
• Update dependency mypy to v1.19.0 #9322 [@renovate[bot]]
• Updated libpng to 1.6.51 #9305 [@radarhere]
• Updated brotli to 1.2.0 #9284 [@radarhere]
• Update libimagequant to 4.4.1 #9301 [@radarhere]
• Update zlib-ng to 2.3.1, except on manylinux2014 aarch64 #9312 [@radarhere]
• Updated harfbuzz to 12.2.0 #9289 [@radarhere]
• Update github-actions #9277 [@renovate[bot]]

Testing

• Replace pre-commit with prek #9360 [@hugovk]
• Test PyQt6 on Python 3.14 on Windows #9353 [@radarhere]
• Test 32-bit Windows on Windows Server 2022 #9345 [@radarhere]
• Correct variable type #9335 [@radarhere]
• Fix ResourceWarnings in selftest.py #9332 [@hugovk]
• Fix testing good P mode BMP images #9319 [@radarhere]
• Test Python 3.15 pre-release #9331 [@hugovk]
• Test ImageFont.ImageFont, in case freetype2 is not supported #9287 [@radarhere]
• Add Fedora 43 #9290 [@radarhere]
• Remove Fedora 41 #9260 [@radarhere]

Type hints

• Add ImageFile context manager #9367 [@radarhere]
• Assert fp is not None #8617 [@radarhere]
• Added return type to ImageFile _close_fp() #9356 [@radarhere]
• Use different variables for Image and ImageFile instances #9316 [@radarhere]
• Correct variable type #9335 [@radarhere]
• Improve type hints #9317 [@radarhere]
• Use different variables for Image and ImageFile instances #9268 [@radarhere]
• Added type hints #9269 [@radarhere]
• Correct getitem return type #9264 [@radarhere]

Other changes

• Simplify band splitting #9291 [@radarhere]
• Support saving APNG float durations #9365 [@radarhere]
• Allow 1 mode images in MorphOp #9348 [@radarhere]
• Use minimum supported Python version for Lint #9364 [@radarhere]
• Allow for duplicate font variation styles #9362 [@radarhere]
• Call parent verify method #9357 [@radarhere]
• Return LUT from LutBuilder build_default_lut() #9350 [@radarhere]
• Simplify WebP code #9329 [@radarhere]
• Use unsigned long for DWORD #9352 [@radarhere]
• Cast to UINT32 before shifting bits #9347 [@radarhere]
• [pre-commit.ci] pre-commit autoupdate #9318 [@pre-commit-ci[bot]]
• Allow window ID to be passed to ImageGrab.grab() on macOS #9070 [@yankeguo]
• Apply encoder options when saving multiple PNG frames #9300 [@radarhere]
• Read all non-zero transparency from mode 1 PNG images as 255 #9282 [@radarhere]
• Support writing IFD, SIGNED_RATIONAL and InkNames TIFF tags #9276 [@radarhere]
• Remove unused modes #9275 [@radarhere]
• Correct allocating new color to RGBA palette #9313 [@radarhere]
• Close image on ImageFont exception #9304 [@radarhere]
• Reapply "Use macos-latest for iOS arm64 simulator" #9259 [@radarhere]
• Escape period in pre-commit-config #9036 [@radarhere]
• Add Apache-2.0 notice to IcoImagePlugin #8947 [@stefan6419846]
• [pre-commit.ci] pre-commit autoupdate #9288 [@pre-commit-ci[bot]]
• Simplify code now that I;16* modes are the only IMAGING_TYPE_SPECIAL #9263 [@radarhere]
• Remove BytesIO from DdsImagePlugin #9273 [@radarhere]
• Fix ZeroDivisionError in DdsImagePlugin #9272 [@radarhere]
• Fix warnings #9257 [@radarhere]

https://pillow.readthedocs.io/en/stable/releasenotes/12.0.0.html

Removals

• Remove support for FreeType <= 2.9.0 #9159 [@radarhere]
• Drop support for Python 3.9 #9119 [@hugovk]
• Remove deprecations for Pillow 12.0.0 #9053 [@radarhere]

Deprecations

• Deprecate Image._show #9186 [@radarhere]
• Deprecate ImageCmsProfile product_name and product_info #8995 [@lukegb]

Documentation

• ImagingHistogramInstance can use two bands #9251 [@radarhere]
• Update 12.0.0 release notes #9247 [@hugovk]
• Added ImageDraw alpha channel examples #9201 [@radarhere]
• Update Python version #9230 [@radarhere]
• Updated macOS tested Pillow versions #9209 [@radarhere]
• Add GitHub profile link to release notes #9197 [@radarhere]
• Split versionadded info #9190 [@radarhere]
• Document ImageFile.MAXBLOCK #9163 [@radarhere]
• Updated macOS version in CI targets #9157 [@radarhere]
• Fix typos #9135 [@radarhere]
• Added "Colors" to concepts #9067 [@radarhere]
• Update macOS tested Pillow versions #9068 [@radarhere]
• Thanks, folks! #9056 [@aclark4life]
• Setup nit: "fork" should be lowercased #9055 [@aclark4life]

Dependencies

• Update dependency cibuildwheel to v3.2.1 #9246 [@renovate[bot]]
• [pre-commit.ci] pre-commit autoupdate #9233 [@pre-commit-ci[bot]]
• Update harfbuzz to 12.1.0 #9218 [@radarhere]
• Update libtiff to 4.7.1 #9222 [@radarhere]
• Update FreeType to 2.14.1 on macOS and Linux wheels #9217 [@radarhere]
• Update dependency cibuildwheel to v3.2.0 #9219 [@renovate[bot]]
• Update Ghostscript to 10.6.0 #9202 [@radarhere]
• Update openjpeg to 2.5.4 #9215 [@radarhere]
• Update harfbuzz to 11.5.0 #9203 [@radarhere]
• Update dependency mypy to v1.18.2 #9213 [@renovate[bot]]
• Update dependency mypy to v1.18.1 #9207 [@renovate[bot]]
• Update github-actions #9194 [@renovate[bot]]
• Updated harfbuzz to 11.4.5 #9150 [@radarhere]
• Update zlib-ng to 2.2.5 #9140 [@radarhere]
• Update raqm to 0.10.3 #9137 [@radarhere]
• Update libjpeg-turbo to 3.1.2 #9188 [@radarhere]
• [pre-commit.ci] pre-commit autoupdate #9180 [@pre-commit-ci[bot]]
• Update dependency cibuildwheel to v3.1.4 #9164 [@renovate[bot]]
• Update actions/checkout action to v5 #9156 [@renovate[bot]]
• Update actions/download-artifact action to v5 #9141 [@renovate[bot]]
• Updated harfbuzz to 11.3.3 #9103 [@radarhere]
• [pre-commit.ci] pre-commit autoupdate #9131 [@pre-commit-ci[bot]]
• Updated libimagequant to 4.4.0 #9074 [@radarhere]
• Update dependency mypy to v1.17.1 #9130 [@renovate[bot]]
• Update dependency cibuildwheel to v3.1.3 #9129 [@renovate[bot]]
• Update dependency cibuildwheel to v3.1.2 #9118 [@renovate[bot]]
• Updated libpng to 1.6.50 #9058 [@radarhere]
• Update cygwin/cygwin-install-action action to v6 #9108 [@renovate[bot]]
• Update dependency mypy to v1.17.0 #9092 [@renovate[bot]]
• Updated libwebp to 1.6.0 #9082 [@radarhere]
• Update dependency cibuildwheel to v3.0.1 #9075 [@renovate[bot]]
• [pre-commit.ci] pre-commit autoupdate #9073 [@pre-commit-ci[bot]]

Testing

• Check return types #9045 [@radarhere]
• Upgrade from macos-13 #9212 [@radarhere]
• Wheels CI: Check number of expected dists #9239 [@hugovk]
• Assert image type #8845 [@radarhere]
• Test GD transparency #9196 [@radarhere]
• Test mode when saving PPM images #9195 [@radarhere]
• Test unsupported BMP bitfields layout #9193 [@radarhere]
• Update Ghostscript to 10.6.0 #9202 [@radarhere]
• Use monkeypatch #9192 [@radarhere]
• Always check XMLPacket value #9113 [@radarhere]
• Rename variable to not shadow import #9124 [@radarhere]
• Removed unused code #9182 [@radarhere]
• Add has_feature_version helper #9172 [@radarhere]
• Replace print with assert #9171 [@radarhere]
• Add Debian 13 Trixie #9147 [@hugovk]
• Do not import from Tests directory in checks #9143 [@radarhere]
• Improve features test coverage #9077 [@radarhere]
• Remove WebP feature handling #9096 [@radarhere]
• Update for pyroma 5.0 #9093 [@radarhere]
• Improve WmfImagePlugin test coverage #9090 [@radarhere]
• Improve DdsImagePlugin test coverage #9091 [@radarhere]
• Improve ImageMath test coverage #9087 [@radarhere]
• Fix unclosed file warning #9065 [@radarhere]
• Pyroma now supports PEP 639 #9064 [@radarhere]

Type hints

• Install arro3 dependencies when type checking #9254 [@radarhere]
• Check return types #9045 [@radarhere]
• Assert image type #8845 [@radarhere]
• Move imports into TYPE_CHECKING #9123 [@radarhere]
• Remove support for NumPy 1.20 when type checking #9125 [@radarhere]

Other changes

• Use macos-14 for iOS arm64 simulator #9258 [@hugovk]
• Use enums for Modes and RawModes in C #9256 [@radarhere]
• Add ImageText #9098 [@radarhere]
• Shift bits before making value negative #9255 [@radarhere]
• Support saving variable length rational TIFF tags by default #9241 [@radarhere]
• Added four private SGI TIFF tags #9245 [@radarhere]
• Band names for arrow exported images #9099 [@wiredfool]
• Use macos-latest for iOS arm64 simulator #9250 [@radarhere]
• If pasting an image onto itself at a lower position, copy from bottom #8882 [@radarhere]
• Removed unused access for I;32L and I;32B #9238 [@radarhere]
• Corrected scientific-python-nightly-wheels pattern #9252 [@radarhere]
• Run sdist when scheduled, but do not upload to scientific-python-nightly-wheels index #9248 [@radarhere]
• Removed shebang lines and executable flags #9179 [@radarhere]
• Remove Pillow version from PDF comment #9176 [@radarhere]
• Support saving variable length rational TIFF tags #9111 [@radarhere]
• Build Python 3.14 on macOS 10.15 #9234 [@radarhere]
• Test largest CUR cursor #9191 [@radarhere]
• Do not unnecessarily update FLI __offset #9184 [@radarhere]
• Fill alpha channel when quantizing RGB images #9133 [@radarhere]
• Allow RGBA palettes to work with ImageOps.expand() #9138 [@radarhere]
• Fixed loading rotated PCD images #9177 [@radarhere]
• Cast before shifting bits #9236 [@radarhere]
• Use _ensure_mutable() #9200 [@radarhere]
• Seek past BeginBinary data when parsing EPS metadata #9211 [@radarhere]
• Do not allow negative offset with memory mapping #9235 [@radarhere]
• Clear C image when MPO frame image size changes #9208 [@radarhere]
• When converting RGBA to PA, use RGB to P quantization #9153 [@radarhere]
• Remove use of sudo from libavif and raqm install scripts #9231 [@radarhere]
• Load image palette into Python after converting to PA #9152 [@radarhere]
• Check all reserved bytes in FLI header #9183 [@radarhere]
• Limit length of read operation in ImageFont._load_pilfont_data() #9181 [@radarhere]
• Python 3.9 wheels are no longer needed #9214 [@radarhere]
• Remove unused Image _expand() #9227 [@radarhere]
• Updated FreeType to 2.14.1 on Windows #9206 [@radarhere]
• Only deprecate fromarray mode for changing data types #9063 [@radarhere]
• Fix reading RGB and CMYK IPTC images #9088 [@radarhere]
• Install zstd for libtiff on Linux wheels #9097 [@radarhere]
• Improve WalImageFile test coverage #9189 [@radarhere]
• ImageMorph operations must have length 1 #9102 [@radarhere]
• Set correct size for rotated PCD images after opening #9086 [@radarhere]
• Simplify check for GBR width and height #9089 [@radarhere]
• Make in parallel when building libjpeg-turbo and openjpeg for macOS and Linux wheels #9144 [@radarhere]
• Fix ZeroDivisionError in ImageStat #9105 [@radarhere]
• When deleting EXIF IFD tag, delete IFD data #9083 [@radarhere]
• Allow alpha_composite to use LA images #9066 [@radarhere]
• Improve _accept length check #9170 [@radarhere]
• Do not set core to DeferredError #9166 [@radarhere]
• Use macos-14 for iOS arm64 simulator #9161 [@radarhere]
• Make in parallel when building brotli and libavif for macOS and Linux wheels #9142 [@radarhere]
• Use Python 3.14 for gcc problem matching #9134 [@radarhere]
• Add libavif support for iOS #9117 [@freakboy3742]
• Restore pyroma test for iOS #9116 [@freakboy3742]
• Use correct bands for two band histograms #9054 [@radarhere]
• Add support for Python 3.14 #9120 [@hugovk]
• Drop support for PyPy3.10 #9112 [@radarhere]
• Add parallel compile from pybind11 #8990 [@wiredfool]
• Remove unused _save_cjpeg #9084 [@radarhere]
• Ensure dynamic libjpeg libraries are not linked #9081 [@freakboy3742]
• Remove reference to libtiff 3.x #9072 [@radarhere]
• Restored manylinux2014 wheels #9059 [@radarhere]

https://pillow.readthedocs.io/en/stable/releasenotes/11.3.0.html

Deprecations

• Deprecate fromarray mode argument #9018 [@radarhere]
• Deprecate saving I mode images as PNG #9023 [@radarhere]

Documentation

• Added release notes for #9041 #9042 [@radarhere]
• Add release notes for #8912 and #8969 #9019 [@radarhere]
• ImageFont does not handle multiline text #9000 [@radarhere]
• Updated Ubuntu CI targets #8988 [@radarhere]
• Update MinGW package names #8987 [@H4M5TER]
• Updated docstring #8943 [@radarhere]
• Mention that tobytes() with the raw encoder uses Pack.c #8878 [@radarhere]
• Refactor docs Makefile #8933 [@hugovk]
• Add template for quarterly release issue #8932 [@aclark4life]
• Add list of third party plugins #8910 [@radarhere]
• Update redirected URL #8919 [@radarhere]
• Docs: use sentence case for headers #8914 [@hugovk]
• Docs: remove unused Makefile targets #8917 [@hugovk]
• Remove indentation from lists #8915 [@radarhere]
• Python 3.13 is tested on Arch #8894 [@radarhere]
• Move XV Thumbnails to read only section #8893 [@aclark4life]
• Updated macOS tested Pillow versions #8890 [@radarhere]

Dependencies

• Add AVIF to wheels using only aomenc and dav1d AVIF codecs for reduced size #8858 [@fdintino]
• Use same AVIF URL when fetching dependency #8871 [@radarhere]
• Update dependency mypy to v1.16.1 #9026 [@renovate[bot]]
• Update libpng to 1.6.49 #9014 [@radarhere]
• Update dependency cibuildwheel to v3 #9010 [@renovate[bot]]
• Updated libjpeg-turbo to 3.1.1 #9009 [@radarhere]
• Update dependency mypy to v1.16.0 #8991 [@renovate[bot]]
• Updated libpng to 1.6.48 #8940 [@radarhere]
• Updated Ghostscript to 10.5.1 #8939 [@radarhere]
• Updated harfbuzz to 11.2.1 #8937 [@radarhere]
• Updated libavif to 1.3.0 #8949 [@radarhere]
• Update dependency cibuildwheel to v2.23.3 #8931 [@renovate[bot]]
• Updated harfbuzz to 11.1.0 #8904 [@radarhere]

Testing

• Add match parameter to pytest.warns() #9038 [@hugovk]
• Increase pytest verbosity #9040 [@radarhere]
• Improve SgiImagePlugin test coverage #8896 [@radarhere]
• Update ruff pre-commit ID #8994 [@radarhere]
• Only check DHT marker for libjpeg-turbo #9025 [@radarhere]
• Improve BLP tests #9020 [@radarhere]
• Fix warning #9016 [@radarhere]
• Test Python 3.14t on macOS and Linux #9011 [@radarhere]
• Only accept missing tkinter when building wheels on Windows #8981 [@radarhere]
• Fix test #8996 [@radarhere]
• Stop testing deprecated Windows Server 2019 runner image #8989 [@radarhere]
• Run slow tests on valgrind, but without timeout #8975 [@radarhere]
• Close file pointer earlier #8895 [@radarhere]
• Added Fedora 42 #8899 [@radarhere]
• Removed Fedora 40 #8887 [@radarhere]

Type hints

• Assert palette is not None #8877 [@radarhere]
• Do not import type checking #8854 [@radarhere]
• Improve type hints #8883 [@radarhere]
• Update dependency mypy to v1.16.0 #8991 [@renovate[bot]]

Other changes

• Updated check script paths #9052 [@radarhere]
• Raise FileNotFoundError when opening an empty path #9048 [@radarhere]
• Handle IPTC TIFF tags with incorrect type #8925 [@radarhere]
• Do not update palette for L mode GIF frame #8924 [@radarhere]
• Use save parameters as encoderinfo defaults #9001 [@radarhere]
• Add support for iOS #9030 [@freakboy3742]
• Fix qtables and quality scaling #8879 [@Kyliroco]
• Read 16-bit McIdas images into I;16B mode to allow for memory mapping #9046 [@radarhere]
• Support ttb multiline text #8730 [@radarhere]
• Use unpacking #9044 [@radarhere]
• Fix saving MPO with more than one appended image #8979 [@radarhere]
• Restore original encoderinfo after saving #8942 [@radarhere]
• Return PixelAccess from first load of ICO and IPTC images #8922 [@radarhere]
• Improve justifying text #8905 [@radarhere]
• Set color table fourth channel to zero for 1 and L mode when saving BMP #8889 [@radarhere]
• Improve reading XPM images #8874 [@radarhere]
• Fix buffer overflow when saving compressed DDS images #9041 [@radarhere]
• Use PEP 489 multi-phase initialization #8983 [@radarhere]
• Support saving I;16L TIFF images #9015 [@radarhere]
• Do not call sys.executable in ImageShow in PyInstaller application #9028 [@radarhere]
• Search for libtiff library file first on Windows and macOS #9034 [@radarhere]
• Fix libtiff cleanup #9002 [@radarhere]
• Use percent formatting for _dbg calls #9035 [@radarhere]
• Removed ImageCmsProfile._set method #9032 [@radarhere]
• Added Python 3.14 macOS x86-64 wheels #9031 [@radarhere]
• Support writing QOI images #9007 [@thisismypassport]
• Simplify C error handling #9021 [@radarhere]
• Add Python 3.14 beta wheels #9012 [@hugovk]
• Remove padding between interleaved PCX palette data #9005 [@radarhere]
• Start QOI decoding with a zero-initialized array of previously seen pixels #9008 [@radarhere]
• Correct drawing I;16 horizontal lines #8985 [@radarhere]
• Reduce number of bytes read for PCX header #9004 [@radarhere]
• Handle XMP data from an UNDEFINED TIFF tag #8997 [@radarhere]
• Do not decode bytes in PPM error message #8958 [@radarhere]
• Parse XMP tag bytes without decoding to string #8960 [@radarhere]
• Clear TIFF core image if memory mapping was used for last load #8962 [@radarhere]
• Use mask in C when drawing wide polygon lines #8984 [@radarhere]
• Simplify code #8863 [@radarhere]
• Call startswith once with a tuple #8998 [@radarhere]
• [pre-commit.ci] pre-commit autoupdate #8993 [@pre-commit-ci[bot]]
• Use ImageFile.MAXBLOCK in tobytes() #8906 [@radarhere]
• Removed unreachable code #8918 [@radarhere]
• Valgrind Memory Leak Checking #8954 [@wiredfool]
• Add parallel test target, using pytest-xdist #8972 [@wiredfool]
• Add support for flat uint8 arrow arrays for multi channel images #8908 [@wiredfool]
• Removed CMAKE_POLICY_VERSION_MINIMUM=3.5 for libavif #8973 [@radarhere]
• Reduced number of bytes read in WMF header #8964 [@radarhere]
• Do not build against libavif < 1 #8969 [@radarhere]
• Improved support for Python 3.14 #8948 [@radarhere]
• [pre-commit.ci] pre-commit autoupdate #8944 [@pre-commit-ci[bot]]
• Allow loading ImageFile state from Pillow < 11.2.1 #8938 [@radarhere]
• Remove outdated comment #8929 [@radarhere]
• Add support for Grim in Wayland sessions ImageGrab #8912 [@AdianKozlica]
• Add make [-C docs] htmllive to rebuild and reload HTML files #8913 [@hugovk]
• Build Windows arm64 wheels on arm64 runner #8898 [@radarhere]

Read more

https://pillow.readthedocs.io/en/stable/releasenotes/11.1.0.html

Documentation

• Added release notes for writing XMP bytes to JPEG and MPO #8627 [@radarhere]
• Added release notes for using zlib-ng instead of zlib #8599 [@radarhere]
• Replace python-pillow.org with python-pillow.github.io #8586 [@hugovk]
• ImageFile tile is never None #8582 [@radarhere]
• Only use start year in copyright, remove end years #8577 [@hugovk]
• Python 3.12 is tested on MinGW #8575 [@radarhere]
• Use brew formula to install libraqm #8574 [@radarhere]
• Added link to GitHub releases in CHANGES #8571 [@radarhere]
• Release drafter: move removals, deprecations, documentation up, and uncategorised changes last #8570 [@hugovk]
• Updated macOS tested Pillow versions #8538 [@radarhere]
• Use test image filename #8534 [@radarhere]
• Update Windows 11 Arm64 tested versions #8523 [@nulano]
• Move MPO into "Fully supported formats" #8504 [@radarhere]
• Update license to MIT-CMU #8490 [@radarhere]

Dependencies

• Update dependency mypy to v1.14.1 #8643 [@renovate]
• Update dependency mypy to v1.14.0 #8613 [@renovate]
• Updated libwebp to 1.5.0 #8612 [@radarhere]
• Updated libXau to 1.0.12 #8598 [@radarhere]
• Updated libjpeg-turbo to 3.1.0 #8595 [@radarhere]
• Updated harfbuzz to 10.1.0 #8533 [@radarhere]
• Updated openjpeg to 2.5.3 #8591 [@radarhere]
• Update dependency cibuildwheel to v2.22.0 #8580 [@renovate]
• Update codecov/codecov-action action to v5 #8557 [@renovate]
• Migrate renovate config #8527 [@renovate]
• Update dependency mypy to v1.13.0 #8491 [@renovate]
• Update dependency mypy to v1.12.1 #8487 [@renovate]

Testing

• Added CentOS Stream 10 #8646 [@radarhere]
• Use monkeypatch #8628 [@radarhere]
• Pass file handle to ContainerIO #8625 [@radarhere]
• Use register_handler #8499 [@radarhere]
• Use monkeypatch #8626 [@radarhere]
• Test libjpeg-turbo on macOS #8596 [@radarhere]
• Test 3.13t (free-threaded) from Quansight-Labs/setup-python on Linux and macOS #8565 [@hugovk]
• Run gcc problem matcher on Python 3.13 #8541 [@radarhere]
• Add trove-classifiers>=2024.10.12 to 'tests' extra and use for Windows CI #8514 [@hugovk]
• Apply security fixes to GitHub Actions #8526 [@hugovk]
• Remove unused gcov: true for codecov-action@v4 #8521 [@hugovk]
• Added Fedora 41 #8520 [@radarhere]
• Do not repeatedly save to the same path #8512 [@radarhere]
• Use fixture to re-open image for each JPEG2000 test #8484 [@radarhere]
• Fixed catching warnings #8505 [@radarhere]
• Updated test type hint #8482 [@radarhere]
• Removed Fedora 39 #8466 [@radarhere]

Type hints

• Pass file handle to ContainerIO #8625 [@radarhere]
• Corrected loadImageSeries type hint #8624 [@radarhere]
• Removed quotes after dropping support for Python 3.8 #8544 [@radarhere]
• Fixed type hint #8532 [@radarhere]
• Updated test type hint #8482 [@radarhere]

Other changes

• Corrected BLP1 alpha depth handling #8651 [@radarhere]
• Remove pre-C99 definitions #8644 [@radarhere]
• Allow saving as BigTIFF #8642 [@radarhere]
• Restored Makernote as a deprecated enum #8629 [@radarhere]
• Use elif #8641 [@radarhere]
• Add zizmor to pre-commit and fix potential cache-poisoning in wheels workflow #8638 [@hugovk]
• Keep new IFDs when converting EXIF to bytes #8635 [@radarhere]
• Added RGBX;16N to RGB unpacker #8637 [@radarhere]
• Populate JPEG DPI from JFIF cm density #8633 [@radarhere]
• Support saving CMYK JP2 images #8592 [@radarhere]
• Added reading of J2K comments #8622 [@radarhere]
• Removed variable #8631 [@radarhere]
• Do not use temporary file in ImageGrab.grabclipboard() on macOS #8630 [@radarhere]
• Fixed connecting discontiguous corners #8620 [@radarhere]
• Do not create new image when exif_transpose() is used in place #8555 [@radarhere]
• Added default values for _Tile offset and args #8553 [@radarhere]
• Platform guessing affects more than just Linux #8551 [@radarhere]
• Raise UnidentifiedImageError when opening TIFF without dimensions #8535 [@radarhere]
• Pass IFDs to libtiff as TIFF_LONG8 #8529 [@radarhere]
• Do not save XMP from JPEG info #8483 [@radarhere]
• Include JpegImageFile layers in pickle state #8476 [@radarhere]
• Fixed indentation #8623 [@radarhere]
• Updated MakerNote capitalization #8615 [@radarhere]
• Replace constants with EXIF enums #8611 [@radarhere]
• Install libjpeg-turbo8-dev #8610 [@radarhere]
• Raise ValueError when WMF inch is zero #8600 [@radarhere]
• Extract tar files with "data" filter in Windows build scripts #8606 [@radarhere]
• Updated libjpeg-turbo URL #8608 [@radarhere]
• Derive dir from filename if root is the same in winbuild #8567 [@radarhere]
• Updated libjpeg-turbo and harfbuzz URLs #8604 [@radarhere]
• Do not describe raw data as a table #8579 [@radarhere]
• Improved handling of RGBA palettes when saving GIF images #8494 [@radarhere]
• Use .tar.gz zlib in Windows build to match macOS and Linux #8601 [@radarhere]
• Use zlib-ng instead of zlib #8500 [@nulano]
• Do not attempt to install cmake if it is already present #8593 [@radarhere]
• [pre-commit.ci] pre-commit autoupdate #8578 [@pre-commit-ci]
• Updated build option error messages #8576 [@radarhere]
• Fix file position desync when calling into libtiff #8560 [@Knio]
• Do not attempt to install cmake a second time when building macOS or Linux wheels #8566 [@radarhere]
• Do not install Pyroma in MinGW, to use only system packages #8562 [@radarhere]
• Isolate macOS wheel builds from Homebrew #8497 [@freakboy3742]
• Removed use of os.path.realpath #8545 [@radarhere]
• Allow linking to zlib import library on Windows #8519 [@cubanpit]
• [pre-commit.ci] pre-commit autoupdate #8531 [@pre-commit-ci]
• Detach PyQt6 QPixmap instance before returning #8509 [@radarhere]
• Upgraded multibuild to remove openjpeg lib64 copy #8511 [@radarhere]
• brew remove libdeflate #8502 [@radarhere]
• Fix SEGFAULT from calling FT_New_Face/FT_Done_Face in multiple threads #8496 [@lysnikolaou]
• Corrected EMF DPI #8485 [@radarhere]
• Added filename placeholder in winbuild URL #8498 [@radarhere]
• Fix IFDRational with a zero denominator #8474 [@renovate]
• Fixed disabling a feature during install #8469 [@radarhere]
• Skip PyPy3.9 wheels #8467 [@radarhere]
• Removed unnecessary code #8465 [@radarhere]

Read more

https://pillow.readthedocs.io/en/stable/releasenotes/10.4.0.html

Deprecations

• Deprecate non-image ImageCms modes #8031 [@radarhere]
• Deprecate ImageDraw.getdraw hints parameter #8124 [@radarhere]
• Deprecate BGR;15, BGR;16 and BGR;24 modes #7978 [@radarhere]
• Deprecate support for libtiff < 4 #7998 [@radarhere]

Changes

• Raise FileNotFoundError if show_file() path does not exist #8178 [@radarhere]
• Improved reading 16-bit TGA images with colour #7965 [@Yay295]
• Fixed processing multiple JPEG EXIF markers #8127 [@radarhere]
• Do not preserve EXIFIFD tag by default when saving TIFF images #8110 [@radarhere]
• Added ImageFont.load_default_imagefont() #8086 [@radarhere]
• Added Image.WARN_POSSIBLE_FORMATS #8063 [@radarhere]
• Do not presume "xmp" info simply because "XML:com.adobe.xmp" info exists #8173 [@radarhere]
• Remove zero-byte end padding when parsing any XMP data #8171 [@radarhere]
• Do not detect Ultra HDR images as MPO #8056 [@radarhere]
• Raise SyntaxError specific to JP2 #8146 [@Yay295]
• Do not use first frame duration for other frames when saving APNG images #8104 [@radarhere]
• Consider I;16 pixel size when using a 1 mode mask #8112 [@radarhere]
• When saving multiple PNG frames, convert to mode rather than raw mode #8087 [@radarhere]
• Added byte support to FreeTypeFont #8141 [@radarhere]
• Allow float center for rotate operations #8114 [@radarhere]
• Do not read layers immediately when opening PSD images #8039 [@radarhere]
• Restore original thread state #8065 [@radarhere]
• Read IM and TIFF images as RGB, rather than RGBX #7997 [@radarhere]
• Only preserve TIFF IPTC_NAA_CHUNK tag if type is BYTE or UNDEFINED #7948 [@radarhere]
• Prevent extra EPS header validations #8144 [@Yay295]
• Clarify ImageDraw2 error message when size is missing #8165 [@radarhere]
• Support unpacking more rawmodes to RGBA palettes #7966 [@radarhere]
• Removed support for Qt 5 #8159 [@radarhere]
• Improve ImageFont.freetype support for XDG directories on Linux #8135 [@mamg22]
• Improved consistency of XMP handling #8069 [@radarhere]
• Use pkg-config to help find libwebp and raqm #8142 [@radarhere]
• Renamed C transform2 to transform #8113 [@radarhere]
• Updated nasm to 2.16.03 #7990 [@radarhere]
• [pre-commit.ci] pre-commit autoupdate #8100 [@pre-commit-ci]
• Updated ImageCms.createProfile colorTemp default and docstring #8096 [@radarhere]
• Added ImageDraw circle() #8085 [@void4]
• Don't reuse variable name #8082 [@Yay295]
• Use functools.cached_property in GifImagePlugin #8037 [@radarhere]
• Add mypy target to Makefile #8077 [@Yay295]
• Added Python 3.13 beta wheels #8071 [@radarhere]
• Parse _version contents instead of using exec() #8050 [@radarhere]
• Lint fixes #8068 [@radarhere]
• Fix type errors #8064 [@radarhere]
• Added MPEG accept function #7999 [@radarhere]
• Added more modes to Image.MODES #7984 [@radarhere]
• [pre-commit.ci] pre-commit autoupdate #8044 [@pre-commit-ci]
• Do not use percent format in strings #8045 [@radarhere]
• Changed string formatting to f-strings #8043 [@mrKazzila]
• Removed direct invocation of setup.py #8027 [@radarhere]
• Update ExifTags.py #8020 [@CTimmerman]
• Fix ImagingAccess for I;16N on big-endian #7921 [@Yay295]
• Combined conditions #8011 [@radarhere]
• Simplified RGB to I;16, I;16L and I;16B conversion #8008 [@radarhere]
• Extract band count check #8006 [@Yay295]
• Remove unused variable #8005 [@Yay295]
• Remove semicolon after function definition #8004 [@Yay295]
• Support reading P mode TIFF images with padding #7996 [@radarhere]
• Corrected ImageShow UnixViewer command #7987 [@radarhere]
• Removed CentOS Stream 8 #7977 [@radarhere]
• Removed CentOS 7 #7976 [@radarhere]
• dist directory is no longer created #7974 [@radarhere]
• Add support for reading BITMAPV2INFOHEADER and BITMAPV3INFOHEADER #7956 [@cirras]
• Update make release-test: no more eggs #7957 [@hugovk]
• Make ModeDescriptor a NamedTuple #7951 [@Yay295]
• Support reading CMYK JPEG2000 images #7947 [@radarhere]
• Remove unused CMS properties and fix documentation #7931 [@Yay295]
• [pre-commit.ci] pre-commit autoupdate #7932 [@pre-commit-ci]

Dependencies

• Update dependency mypy to v1.10.1 #8177 [@renovate]
• Update dependency cibuildwheel to v2.19.1 #8143 [@renovate]
• Update dependency cibuildwheel to v2.19.0 #8131 [@renovate]
• Updated libjpeg-turbo to 3.0.3 #8048 [@radarhere]
• Updated fribidi to 1.0.15 #8014 [@radarhere]
• Updated libwebp to 1.4.0 #7973 [@radarhere]
• Updated libxcb and xcb-proto to 1.17.0 #7982 [@radarhere]
• Updated libimagequant to 4.3.1 #8025 [@radarhere]
• Updated harfbuzz to 8.5.0 #8059 [@radarhere]
• Updated Ghostscript to 10.3.1 #8078 [@radarhere]
• chore(deps): update dependency cibuildwheel to v2.18.1 #8070 [@renovate]
• chore(deps): update dependency cibuildwheel to v2.18.0 #8054 [@renovate]
• Update dependency mypy to v1.10.0 #8013 [@renovate]

Documentation

• Converted example images to WebP #7963 [@radarhere]
• Use latest Ubuntu on Read The Docs #8136 [@radarhere]
• Use Sphinx long options in Makefile #8109 [@hugovk]
• Removed documentation of unused argument #8079 [@radarhere]
• Updated CI targets table #8028 [@radarhere]
• Automatically add dates to release notes #8001 [@hugovk]
• Remove sphinx-removed-in, now Sphinx 7.3 adds versionremoved #7988 [@hugovk]
• Removed nitpick_ignore by updating Sphinx to 7.3 #7985 [@radarhere]
• Updated installation links #7981 [@radarhere]
• Corrected packer comments #7964 [@Yay295]
• Release checklist: inline the 'Source and Binary Distributions' step #7959 [@hugovk]
• Removed outdated comment #7955 [@radarhere]
• Document that QoiImagePlugin uses Python for decoding #7937 [@radarhere]
• Updated macOS tested Pillow versions #7934 [@radarhere]
• Fix ImageMath documentation parameter names #7933 [@jbjd]

Testing

• Use more specific error #8168 [@radarhere]
• Ignore brew dependencies for libraqm on macOS 13 #8140 [@radarhere]
• Corrected AppVeyor Ghostscript path #8138 [@radarhere]
• Accept 't' suffix for libtiff version #8129 [@radarhere]
• Accept 't' suffix for libtiff version #8126 [@radarhere]
• Add ClangFormat to pre-commit #8015 [@hugovk]
• Removed helper.py modes #8053 [@radarhere]
• Updated codecov/codecov-action to v4 #8041 [@radarhere]
• Added Ubuntu 24.04 #8023 [@radarhere]
• Corrected big-endian check #8022 [@radarhere]
• Use LAB hopper file if conversion is not supported #7979 [@radarhere]
• Removed Fedora 38 and added Fedora 40 #8012 [@radarhere]
• Update tests to allow for zlib-ng #8009 [@radarhere]
• GitHub Actions: use macos-13 or macos-14 instead of macos-latest #8010 [@hugovk]
• Corrected check for libtiff feature #8000 [@radarhere]
• Corrected check for libtiff feature #7975 [@radarhere]
• Fix test error message grammar #7967 [@Yay295]
• Replace ImageMath.eval with ImageMath.lambda_eval in selftest.py #7960 [@radarhere]
• Rename test_roundtrip() to test_mode() #7950 [@Yay295]
• Updated pattern for skipping builds based on file changes #7938 [@radarhere]
• Corrected ImageCms test #7930 [@radarhere]

Type hints

• Simplified casts #8169 [@radarhere]
• Added type hints #8167 [@radarhere]
• Added type hints for PixelAccess related methods and others #8032 [@nulano]
• Added type hints to additional tests #8163 [@radarhere]
• Updated type hints #8153 [@radarhere]
• Added type hints to ImageFilter #8156 [@radarhere]
• Added type hints to ImageDraw shape methods #8151 [@radarhere]
• Added type hints to Image #8150 [@radarhere]
• Added type hints #8134 [@radarhere]
• Added type hints to additional tests #8118 [@radarhere]
• Added type hints #8132 [@radarhere]
• Added type hints to GifImagePlugin #8128 [@radarhere]
• Added type hints #8125 [@radarhere]
• Added type hints #8117 [@radarhere]
• Added type hints #8108 [@radarhere]
• Added type hints to ImageColor #8115 [@radarhere]
• Add various type annotations #8046 [@srittau]
• Added type hints #8107 [@radarhere]
• Added type hints #8105 [@radarhere]
• Added type hints #8066 [@radarhere]
• Added type hints #8099 [@radarhere]
• Corrected type hint #8098 [@radarhere]
• Updated type hints for tests #8095 [@radarhere]
• Added type hints to additional tests #8093 [@radarhere]
• Added type hints to additional tests #8091 [@radarhere]
• Added type hints to additional tests #8090 [@radarhere]
• Added type hints #8061 [@radarhere]
• Added type hints #8055 [@radarhere]
• Added type hints #8051 [@radarhere]
• Added type hints #8042 [@radarhere]
• Added type hints #8030 [@radarhere]
• Removed type hint ignores #7989 [@radarhere]
• fromarray: add type hints #7936 [@adamjstewart]
• Use functools.cached_property in ImageStat #7952 [@nulano]
• Add type hints for Image.open, Image.init, and Image.Image.save #7944 [@nulano]

Read more