12.0.0

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]