What's Changed

🚨 Breaking Changes

• Update cuCIM for consistency with scikit-image 0.26 by @grlee77 in #1038
• Upgrade nvImageCodec dependency from v0.7.0 to v0.8.0 by @cdinea in #1085

🛠️ Improvements

• Forward-merge release/26.04 into main by @jakirkham in #1053
• fix(conda): specify python-gil for conda recipe by @gforsyth in #1056
• chore: bump codespell version for Python 3.14+ compatibility by @gforsyth in #1062
• Use S3 for preprocessor cache by @trxcllnt in #1071
• Fixes for heap overflow by @cdinea in #1077
• fix(ci): resolve all zizmor findings and add zizmor pre-commit checks by @gforsyth in #1078
• Build and test with CUDA 13.2.0 by @bdice in #1080
• fix(ci): add explicit actions: write permission for telemetry-summarize
  by @gforsyth in #1081
• Add SECURITY.md by @jolorunyomi in #1082
• Require CMake 4.0 by @KyleFromNVIDIA in #1083
• vendor metadata hardening by @cdinea in #1079
• Optimize batch/multi-channel image interpolation (cucim.skimage.transform.warp and cucim.skimage._vendored.ndimage) by @grlee77 in #1060
• morphology: add h_maxima, h_minima, local_maxima, local_minima. improve reconstruct by @grlee77 in #1061
• skip CuPy 14.1.0 by @jameslamb in #1096
• fix 'yum update' in nightly wheels tests by @jameslamb in #1099

New Contributors

• @trxcllnt made their first contribution in #1071

Full Changelog: v26.06.00a...v26.06.00

What's Changed

🚨 Breaking Changes

• async cuda stream batch decode by @cdinea in #1028

🐛 Bug Fixes

• make test_load_image_metadata test case insensitive to key order by @grlee77 in #1035

📖 Documentation

• remove references to 'nvidia' and 'pytorch' conda channels by @jameslamb in #1026

🛠️ Improvements

• Drop Python 3.10 support by @gforsyth in #1016
• tighten wheel size limits, enforce PEP 639 metadata, other small changes by @jameslamb in #1020
• Resolve forward-merge release/26.02 into main by @jakirkham in #1019
• remove pip.conf migration code in CI scripts by @jameslamb in #1023
• Use verify-hardcoded-version pre-commit hook by @KyleFromNVIDIA in #1022
• Drop CuPy pre-13.6.0 logic & fix CuPy 14 compatibility by @jakirkham in #1031
• add PR CI job checking that nightly tests are passing by @jameslamb in #1032
• Update cuCIM for consistency with scikit-image 0.26 (#1038) by @gforsyth in #1047
• Add support for Python 3.14 by @gforsyth in #1049
• Replace use of pickle.load in benchmark utility scripts by @grlee77 in #1041
• chore: reset shared-workflows branch to release/26.04 by @gforsyth in #1052
• build wheels with CUDA 13.0.x, test wheels against mix of CTK versions by @jameslamb in #1054
• fix(conda): specify python-gil for conda recipe (#1056) by @gforsyth in #1058
• Add cucim.skimage.restoration.rolling_ball (useful for background subtraction) by @grlee77 in #1040
• Update vendored interpolation kernels with precision fix by @grlee77 in #1055
• Caching for cuslide2 by @cdinea in #1034

Full Changelog: v26.04.00a...v26.04.00

What's Changed

🛠️ Improvements

• Backport "Drop CuPy pre-13.6.0 logic & fix CuPy 14 compatibility" to 26.02 by @jakirkham in #1036
• Backport "Drop CuPy pre-13.6.0 logic & fix CuPy 14 compatibility" to 26.02 by @jameslamb in #1037

Full Changelog: v26.02.00...v26.02.01

What's Changed

🚨 Breaking Changes

🐛 Bug Fixes

• Fix broken binary_fill_holes in vendored code by @grlee77 in #1001
• Misc fixes and improvements to existing benchmark scripts by @grlee77 in #1002
• fix(core): Replace strlen with strnlen for safer string handling by @gigony in #1015

🛠️ Improvements

• Use strict priority in CI conda tests by @bdice in #979
• Use strict priority in CI conda tests by @bdice in #986
• Remove alpha specs from non-RAPIDS dependencies by @bdice in #989
• Enable merge barriers by @KyleFromNVIDIA in #991
• Use SPDX license identifiers in pyproject.toml, bump build dependency floors by @jameslamb in #999
• Add CUDA 13.1 support by @bdice in #995
• build and test against CUDA 13.1.0 by @jameslamb in #1000
• [REVIEW] nvImageCodec v0.7.0 infra only by @cdinea in #997
• Use main shared-workflows branch by @jameslamb in #1003
• Cherry-pick 25.12 changelog to main by @AyodeAwe in #1004
• Fix update-version.sh notebook sed commands by @AyodeAwe in #1005
• [REVIEW] nvImageCodec v0.7.0 decoding by @cdinea in #998
• fix(build): build package on merge to release/* branch by @gforsyth in #1009
• Add batch ROI decoding using nvImageCodec v0.7.0+ API by @cdinea in #1007

New Contributors

Full Changelog: v26.02.00a...v26.02.00

What's Changed

🚨 Breaking Changes

• Require CUDA 12.2+ by @jakirkham in #961
• remove deprecated square, rectangle and cube (replaced by footprint_rectangle) by @grlee77 in #969

🐛 Bug Fixes

• refactored update-version.sh to handle new branching strategy by @rockhowse in #970
• add missing import of ellipse in morphology module by @grlee77 in #968
• Fix crash on unsigned integer input to cucim.skimage.morphology.reconstruction by @grlee77 in #967
• resolve static analysis complaints about potentially unsafe C-style string-handling by @grlee77 in #990

📖 Documentation

🛠️ Improvements

• Empty commit to trigger a build by @msarahan in #944
• Use main branch by @bdice in #958
• Use main shared-workflows branch by @bdice in #959
• Use SPDX for all copyright headers by @KyleFromNVIDIA in #960
• Use ruff-format instead of black, bump ruff version by @KyleFromNVIDIA in #963
• chore: remove extra trailing curly brace from conda build string by @gforsyth in #977
• [REVIEW] Feat: PR #1 nvImageCodec infrastructure only by @cdinea in #966
• [REVIEW] Feat: PR #2 Add GPU-accelerated TIFF decoding via nvImageCodec v0.6.0 for digital pathology by @cdinea in #978

New Contributors

• @rockhowse made their first contribution in #970
• @cdinea made their first contribution in #966

Full Changelog: v25.12.00a...v25.12.00

🐛 Bug Fixes

• Add pip to cucim's requirements/host (#941) @jakirkham
• Fix indentation (#931) @jakirkham
• Relax libcufile dependency for old CTK 12 on ARM (#930) @jakirkham
• Update fmt library to version 11.2.0 in CMake configuration (#917) @gigony

📖 Documentation

• update package installation commands in notebooks (#927) @grlee77

🛠️ Improvements

• Revert incorrect changelog updates (#954) @AyodeAwe
• remove unused RMM config and docs, update pre-commit hooks (#946) @jameslamb
• Configure repo for automatic release notes generation (#939) @AyodeAwe
• Use branch-25.10 again (#936) @jameslamb
• add montage and compare_images utility functions (#935) @grlee77
• Update rapids-dependency-file-generator (#934) @KyleFromNVIDIA
• Build and test with CUDA 13.0.0, use GCC 14 for conda builds (#926) @jameslamb
• add a copy of rapids-configure-conda-channels to the repo (#923) @jameslamb
• Update rapids-build-backend to 0.4.1 (#922) @KyleFromNVIDIA
• Remove CUDA 11 references (#905) @jakirkham

🔗 Links

• Development Branch
• Compare with main branch

🛠️ Improvements

• Empty commit to trigger a build (#944) @msarahan

🚨 Breaking Changes

• Remove CUDA 11 from dependencies.yaml (#887) @KyleFromNVIDIA
• stop uploading packages to downloads.rapids.ai (#883) @jameslamb

🐛 Bug Fixes

• Drop unused variable CUDA_MAJOR_VERSION (#907) @jakirkham
• Fix test failures due to deprecated Pillow Image.fromarray 'mode' parameter (#901) @grlee77
• Adding GH_TOKEN pass-through to summarize job (#891) @msarahan

📖 Documentation

• add docs on CI workflow inputs (#897) @jameslamb

🛠️ Improvements

• Drop CUDA 11 references from docs (#914) @jakirkham
• fix(docker): use versioned -latest tag for all rapidsai images (#908) @gforsyth
• remove cuspatial references (#906) @jameslamb
• Drop CUDA 11 from CI Scripts (#903) @AyodeAwe
• run: fix compatibility with PEP-0632 for supporting Python >=3.12 (#902) @ElieDeBrauwer
• Enhance GPU memory leak test with unified memory check and increased thresholds (#898) @gigony
• Use CUDA 12.9 in Conda, Devcontainers, Spark, GHA, etc. (#894) @jakirkham
• Remove nvidia and dask channels (#893) @vyasr
• refactor(shellcheck): fix all shellcheck warnings/errors (#890) @gforsyth
• refactor(conda): remove cuda11 conditionals from conda recipes (#889) @gforsyth
• Remove CUDA 11 from dependencies.yaml (#887) @KyleFromNVIDIA
• stop uploading packages to downloads.rapids.ai (#883) @jameslamb
• Forward-merge branch-25.06 into branch-25.08 (#880) @gforsyth
• Forward-merge branch-25.06 into branch-25.08 (#876) @gforsyth

🛠️ Improvements

• use 'rapids-init-pip' in wheel CI, other CI changes (#881) @jameslamb
• Finish CUDA 12.9 migration and use branch-25.06 workflows (#879) @bdice
• Build and test with CUDA 12.9.0 (#877) @bdice
• Refactor: Enhance GPU Memory Leak Test for read_region (#874) @gigony
• Add support for Python 3.13 (#873) @gforsyth
• Download build artifacts from GitHub for CI (#870) @VenkateshJaya
• Add ARM conda environments (#867) @bdice
• Moving wheel builds to specified location and uploading build artifacts to Github (#854) @VenkateshJaya
• Region Properties Performance Overhaul - Part 6: Public API (regionprops_table) (#848) @grlee77
• Region Properties Performance Overhaul - Part 5: Perimeter and Euler Characteristic (#847) @grlee77
• Region Properties Performance Overhaul - Part 4: Moment-Based Properties (#846) @grlee77
• Region Properties Performance Overhaul - Part 3: Convex Image Properties (#845) @grlee77
• Region Properties Performance Overhaul - Part 2: Intensity Image Properties (#844) @grlee77
• Region Properties Performance Overhaul - Part 1: Basic Properties (#843) @grlee77

🐛 Bug Fixes

• CuPy 13.4.1 compatibility: Fix dtype handling in fused chan-vese kernels (#856) @grlee77
• Fix path in update-version (#852) @raydouglass
• avoid potential CUDA out of bounds memory access in test case (#851) @grlee77
• Consistently raise error on non-CuPy input to regionprops functions (#849) @grlee77
• update vendored binary_fill_holes (#842) @grlee77

📖 Documentation

• Add cuCIM pronunciation to README (#823) @jakirkham

🛠️ Improvements

• Update various library versions to meet the minimum required CMake version (>= 3.5) for compatibility with CMake 3.30.4. (#858) @gigony
• Use conda-build instead of conda-mambabuild (#841) @bdice
• require sphinx<8.2.0 (#840) @jameslamb
• Improve performance of label2rgb (#839) @grlee77
• add utility for memory efficient maximum pairwise distance computation with GPU support (#838) @grlee77
• vendor CUDA-accelerated find objects (#837) @grlee77
• update vendored binary morphology code (#836) @grlee77
• Consolidate more Conda solves in CI (#835) @KyleFromNVIDIA
• Require CMake 3.30.4 (#834) @robertmaynard
• Create Conda CI test env in one step (#833) @KyleFromNVIDIA
• Add build_type input to test.yaml (#831) @gforsyth
• Implement convex_hull_image and convex_hull_object (#828) @grlee77
• Use shared-workflows branch-25.04 (#826) @bdice
• add telemetry (#822) @msarahan
• raise setuptools floor to 61.0.0, sphinx floor to 8.0.0, other small dependencies cleanup (#820) @jameslamb
• Forward-merge branch-25.02 to branch-25.04 (#819) @bdice
• Migrate to NVKS for amd64 CI runners (#817) @bdice