This is SimpleITK 3.0.0 Alpha Release 1.

To upgrade to this Python binary package run:
pip install --upgrade --pre simpleitk --find-links https://github.com/SimpleITK/SimpleITK/releases/tag/v3.0.0a1

What's Changed

• Update Superbuild SWIG version to 4.3.1 by @blowekamp in #2279
• Use CodeBuild runners in nightly. by @blowekamp in #2280
• Json tweaks by @blowekamp in #2282
• Add Clion default build paths and venvs to gitignore by @blowekamp in #2285
• Address compilation error when building ruby on OSX by @blowekamp in #2287
• Use target compile options over source properties by @blowekamp in #2288
• Add permision restriction to actions by @blowekamp in #2284
• use nullptr by @blowekamp in #2290
• Add ForceOrthogonalDirection and ReverseOrder options by @blowekamp in #2293
• Use O1 optimization flag for ITK valgrind by @blowekamp in #2295
• Update itk to 6.0a3 for development by @blowekamp in #2289
• Use ITK valgrind suppression file for Ubuntu 22.04 LTS by @blowekamp in #2298
• STYLE: Upgrade to comment_spell_check v0.4.0 by @dave3d in #2300
• Add key word only options to ReadImage by @blowekamp in #2296
• Remove return self functionality by @blowekamp in #2278
• Add flag to suppress sprintf warning in SWIG build on OSX by @blowekamp in #2303
• Fix Docker FromAs error by @blowekamp in #2305
• Fix CMake version policy max is now correctly 3.20 by @blowekamp in #2304
• DOC: Correct minor spelling mistake. by @zivy in #2307
• Use boolean types for boolean attributes in JSON by @blowekamp in #2302
• Json conformance by @blowekamp in #2308
• Update to windows-2022 by @blowekamp in #2309
• More pre-commit by @blowekamp in #2312
• Add formal JSON schema by @blowekamp in #2310
• DOC: improving documentation for basic DICOM series reader example by @zivy in #2313
• Add pretty-format-json to pre-commit by @blowekamp in #2315
• Allow measurements results parameters to be numbers. by @blowekamp in #2316
• ENH: Address changes in Fiji installation on windows. by @zivy in #2317
• Replace template code generation with a JINJA and Python based system. by @blowekamp in #2318
• Update the getting started page to point to the virtual tutorial. by @zivy in #2321
• Update JSONBeautify Python script. by @blowekamp in #2326
• Update typing for Resample in extra.py by @chris-rapson-formus in #2323
• Change JSON values to numbers from strings by @blowekamp in #2325
• Restore removal of GHA Nightly ITK build requirements. by @blowekamp in #2324
• Add Superbuild target to create Python virtual environment by @blowekamp in #2322
• Update build docucmentation for Python JINJA2 by @blowekamp in #2327
• Fix requirement of Python in superbuild by @blowekamp in #2328
• Fixes for Dockerfiles used in the Package GHA workflow by @blowekamp in #2329
• Add additional support for a main branch by @blowekamp in #2330
• Jinja improvements by @blowekamp in #2331
• DOC: Add C# and java versions to the DemonsRegistration1 example. by @zivy in #2334
• Add gersemi cmake formatter by @blowekamp in #2332
• Use uv to create python venv for SimpleITK Python by @blowekamp in #2338
• DOC: Add C# and java versions to the DemonsRegistration2 example. by @zivy in #2335
• Fix using IS_EXECUTABLE with older CMake versions by @blowekamp in #2340
• Convert the Python unit tests to use pytest by @blowekamp in #2337
• DOC: Update url to ITK 5.0 migration guide. by @zivy in #2342
• ENH: create a spell checking pre-commit by @dave3d in #2333
• DOC: Add C#, C++ and java versions to the DicomImagePrintTags example. by @zivy in #2344
• Disable uv modifying shell environments by @blowekamp in #2343
• Document usage of uv in build process by @blowekamp in #2341
• Keep uv install XDG receipt local to build. by @blowekamp in #2346
• BUG: inverting intensity for MONOCHROME1 not needed. by @zivy in #2348
• Disable passing filename on some local pre-commit hooks by @blowekamp in #2350
• DOC: Add C#, C++ and java versions to the DicomConvert example. by @zivy in #2336
• Fixes for Nightly Package builds by @blowekamp in #2349
• Refactor the function factories to not take pointer in constructor by @blowekamp in #2351
• Adding DICOM reading failure question to FAQ. by @zivy in #2353
• Make the Addressor constexpr by @blowekamp in #2354
• COMP: address issue with recursive_directory_iterator on OSX CI. by @zivy in #2356
• Convert to a smart pointer for member. by @blowekamp in #2358
• Address CMP0175 warnings by @blowekamp in #2359
• Add export specification for ProcessObjectDeleter by @blowekamp in #2362
• Use copy mode for uv environment creation by @blowekamp in #2361
• Suppress single_module obsolete warning by @blowekamp in #2363
• Fix and clean up copying files for CSharp distribution by @blowekamp in #2364
• PERF: Avoid Nightly CI on forks by @hjmjohnson in #2365
• fix pre commit setup by @hjmjohnson in #2366
• Fix GHA Nightly constrains to not run on forks by @blowekamp in #2367
• Use a singleton for function factory in coded filter by @blowekamp in #2357
• Additional correction to Nightly workflow repository name by @blowekamp in #2368
• Add container template parameter to MemberFunctionFactory by @blowekamp in #2370
• Address shadowed declaration warnings for factory variables. by @blowekamp in #2374
• Add C#, java and C++ versions to the DICOMSeriesFromArray. by @zivy in #2372
• Add C#, java and C++ versions to the DICOMSeriesReadModifySeriesWrite. by @zivy in #2373
• Add C#, java and C++ versions to the ImageRegistrationMethod4. by @zivy in #2380
• Add java version to the ImageRegistrationMethod2 example. by @zivy in #2378
• Use MAX_DIMENSION for slice filter's defaults by @blowekamp in #2376
• Improve formatting of generated doxygen code blocks by @blowekamp in #2382
• Add C#, java and C++ versions to the ImageRegistrationMethod3. by @zivy in #2379
• Add C#, java and C++ versions to ImageRegistrationMethodExhaustive. by @zivy in #2385
• Add C#, java and C++ versions to ImageRegistrationOptimizerWeights. by @zivy in #2384
• Use constant for doxygen word wrap size. by @blowekamp in #2383
• Add java version to N4BiasFieldCorrection. by @zivy in #2388
• DOC: correct referencing of code in the rst file. by @zivy in #2387
• BUG: missing assignment of returned value. by @zivy in #2377
• Add java and c# to ImageRegistrationMethodBSpline1. by @zivy in #2389
• Add java, c++ and c# to ImageRegistrationMethodBSpline2 by @zivy in #2391
• Add java, c# and R to ImageRegistrationMethodBSpline3. by @zivy in #2392
• DOC: Add FAQ about multiprocessing. by @zivy in #2396
• Migrate main by @blowekamp in #2339
• Bump actions/download-artifact from 4 to 5 by @dependabot[bot] in #2390
• Bump actions/checkout from 4 to 5 by @dependabot[bot] in #2398
• Convert JSON to YAML by @blowekamp in #2394
• COMP: Move TransformIO factory registration from IO to Common by @blowekamp in #2400
• COMP: Remove unused field in C# ImageRegistrationMethodBSpline2 by @blowekamp in #2401
• Add c#, cxx, java and R versions to the LandmarkRegistration. by @zivy in #2386
• In generated C++ tests, static_cast the result value by @blowekamp in #2403
• Add java and c# to ImageRegistrationMethodDisplacement1. by @zivy in #2393
• Update the ImageGridManipulation example. by @zivy in #2405
• ENH: Improve JSON schema documentation and remove deprecated fields by @blowekamp in #2402
• Add optional input for initial estimated displacement field by @blowekamp in #2271
• ENH: Add JSON to YAML conversion utility script by @blowekamp in #2407
• Remove signed label image support from label intensity filter by @blowekamp in #2272
• DOC: Modernize documentation generation workflow - switch to YAML-only and Python-based tools by @blowekamp in #2406
• Use GHA hosted macos-15 ARM runner by @blowekamp in #2241
• Improve schema documentation for test dim_vec by @blowekamp in #2408
• Fix Sphinx docs warnings by @blowekamp in #2412
• Update FilterTemplates.rst for YAML-based code generation by @blowekamp in #2411
• Update documentation for InvertDisplacementFields from ITK. by @blowekamp in #2410
• Fix unused variable warnings in ImageGridManipulation examples by @blowekamp in #2413
• Improve Python Test Template by @blowekamp in #2404
• Update Superbuild ITK tag to August 21, 2025 by @blowekamp in #2414
• Add rosetta intel build by @blowekamp in #2409
• Update Google Test to v1.17.0 by @blowekamp in #2415
• GHA: Split ITK and SimpleITK nightly workflows by @blowekamp in #2420
• Replace macos-13 build with macos-14 and 15 arm builds by @blowekamp in #2417
• Use Github hosted mac-15 cross intel for packaging by @blowekamp in #2421
• Remove extra cmake variable by @blowekamp in #2423
• Add python version variable to GHA batch builds by @blowekamp in #2422
• Move python tests by @blowekamp in #2424
• Use superbuild python for language builds by @blowekamp in #2428
• Bump actions/setup-python from 5 to 6 by @dependabot[bot] in #2426
• Bump pypa/gh-action-pypi-publish from 1.12.4 to 1.13.0 by @dependabot[bot] in #2427
• For tests fix check if language is enabled by @blowekamp in #2429

New Contributors

• @chris-rapson-formus made their first contribution in #2323
• @hjmjohnson made their first contribution in #2365

Full Changelog: v2.5.2...v3.0.0a1