Update pillow-heif requirement from >=1.5.0 to >=1.6.0

[dependabot]

Updates the requirements on pillow-heif to permit the latest version.

Release notes

Sourced from pillow-heif's releases.

v1.6.0

Added

• Reading and writing HDR metadata: content_light_level, mastering_display_colour_volume, ambient_viewing_environment keys in info dictionary. #456
• Python 3.15 and 3.15t wheels added.

Changed

• libheif was updated from the 1.23.1 to 1.23.2 version. #466

Fixed

• Use-after-free when a numpy array or the data memoryview outlived the HeifFile it was created from. #453
• Conflicting license metadata: removed the GPLv2 classifier, the package license is BSD-3-Clause; bundled library licenses in wheels are described in LICENSES_bundled.txt, which was updated to match the current libraries. #455

Changelog

Sourced from pillow-heif's changelog.

[1.6.0 - 2026-08-31]

Added

• Reading and writing HDR metadata: content_light_level, mastering_display_colour_volume, ambient_viewing_environment keys in info dictionary. #456
• Python 3.15 and 3.15t wheels added.

Changed

• libheif was updated from the 1.23.1 to 1.23.2 version. #466

Fixed

• Use-after-free when a numpy array or the data memoryview outlived the HeifFile it was created from. #453
• Conflicting license metadata: removed the GPLv2 classifier, the package license is BSD-3-Clause; bundled library licenses in wheels are described in LICENSES_bundled.txt, which was updated to match the current libraries. #455

[1.5.0 - 2026-07-22]

Added

• Grid(tiled) image encoding: options.GRID_TILE_SIZE option, tile_size parameter for save and grid_tile_size parameter for register_*_opener. #317
• info["tiling"] dictionary with the grid info for tiled images. #317
• PH_LIBHEIF_CMAKE_ARGS environment variable for build_libs.py to pass extra cmake arguments to the libheif build.
• Windows ARM64 wheels.

Changed

• Minimum required libheif version is 1.23.1.
• Releases are now tag-triggered and published to PyPI with attestations via Trusted Publishing. #432
• libheif was updated from the 1.23.0 to 1.23.1 version. #445
• libde265 was updated from the 1.1.0 to 1.1.1 version. #434

Removed

• pi-heif package is discontinued, 1.4.0 is its final release. #431
• 32-bit support and the PH_LIGHT_ACTION environment variable, build_libs.py now always builds x265. #431

[1.4.0 - 2026-06-10]

Changed

• libheif was updated from the 1.21.2 to 1.23.0 version. #426
• libde265 was updated from the 1.0.16 to 1.1.0 version. #426
• libx265 was updated from the 4.1 to 4.2 version. #426
• Minimum required libheif version is 1.19.0. #416

Removed

• options.ALLOW_INCORRECT_HEADERS option. Starting with libheif 1.22.0, libheif itself rejects images whose decoded size does not match the ispe header. #426

... (truncated)

Commits

• 11a2a9f v1.6.0
• 16be8c8 ci: fix leak tests failing the full Wheels matrix (#467)
• 2a7240c chore(deps): update dependency strukturag/libheif to v1.23.2 (#466)
• c4e4ec9 [pre-commit.ci] pre-commit autoupdate (#465)
• 657f27d [pre-commit.ci] pre-commit autoupdate (#464)
• a6d6e91 docs: fix the docs build and refresh the reference (#462)
• 434e64d chore(deps): update dependency macos to v26 (#422)
• f1e15a7 ci: rework flaky memory leak tests (#461)
• 06dccd9 [pre-commit.ci] pre-commit autoupdate (#427)
• 38c39bb chore(deps): update dependency python to 3.14 (#429)
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[github-actions]

📋 PR Summary

Title: Update pillow-heif requirement from >=1.5.0 to >=1.6.0
Author: @dependabot[bot]
Draft: No
1 files changed: +1 additions, -1 deletions

Files

• requirements.txt — Updated (+1/-1)