11.1.0

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]