# Announcements

**URL:** https://discourse.itk.org/c/announcements/5.md

[Latest](https://discourse.itk.org/latest.md) · [Categories](https://discourse.itk.org/categories.md) · [Tags](https://discourse.itk.org/tags.md)

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## [About the Announcements category](https://discourse.itk.org/t/about-the-announcements-category/18)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0

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Low-traffic category for community news, events, and releases. Examples include library releases, new Insight Journal articles, hackathon announcements. Requires earning Trust Level 2 to post.

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## [ITK 5.4.7 has been released! Expanded Image IO, Faster DTI, and Reliable Builds](https://discourse.itk.org/t/itk-5-4-7-has-been-released-expanded-image-io-faster-dti-and-reliable-builds/7787)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [August 10, 2026, 7:07pm UTC](https://discourse.itk.org/t/itk-5-4-7-has-been-released-expanded-image-io-faster-dti-and-reliable-builds/7787 "2026-08-10T19:07:47Z")

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We are pleased to announce the release of ITK 5.4.7! ITK 5.4.7 is a maintenance release focused on image IO capabilities, computational performance, build reliability, and packaging resilience for this cross-platform, o…

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## [SimpleITK 3.0.0 Beta 1](https://discourse.itk.org/t/simpleitk-3-0-0-beta-1/7767)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 0\
**Last updated:** [May 22, 2026, 12:45pm UTC](https://discourse.itk.org/t/simpleitk-3-0-0-beta-1/7767 "2026-05-22T12:45:41Z")

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Announcing the SimpleITK 3.0.0b1 Beta Release! This beta release is a major milestone for SimpleITK 3.0, featuring new functionality and improvements including experimental integration of SimpleElastix into the binary d…

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## [SimpleITK 2.5.5 Release](https://discourse.itk.org/t/simpleitk-2-5-5-release/7765)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 0\
**Last updated:** [May 14, 2026, 6:10pm UTC](https://discourse.itk.org/t/simpleitk-2-5-5-release/7765 "2026-05-14T18:10:51Z")

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Announcing the SimpleITK 2.5.5 Release! Release Highlights SimpleITK in R on the Windows operating system is available! SimpleITK 2.5.5 is the first official release to support building SimpleITK with R wrapping for a…

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## [ITK 5.4.6 has been released! Performance, Stability, and Security](https://discourse.itk.org/t/itk-5-4-6-has-been-released-performance-stability-and-security/7756)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [May 1, 2026, 8:41pm UTC](https://discourse.itk.org/t/itk-5-4-6-has-been-released-performance-stability-and-security/7756 "2026-05-01T20:41:18Z")

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We are pleased to announce the release of ITK 5.4.6! ITK 5.4.6 is a maintenance release focused on performance improvements, security fixes, and platform compatibility for this cross-platform, open-source toolkit suppor…

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## [elastix 5.3.0 released!](https://discourse.itk.org/t/elastix-5-3-0-released/7707)

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**Author:** [@Niels\_Dekker](https://discourse.itk.org/u/Niels_Dekker)\
**Replies:** 2\
**Last updated:** [April 6, 2026, 1:00pm UTC](https://discourse.itk.org/t/elastix-5-3-0-released/7707 "2026-04-06T13:00:03Z")

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:tada: I’m very pleased to announce that we have just released version 5.3.0 of our image registration toolbox elastix, at https://github.com/SuperElastix/elastix/releases Binaries of elastix executables are provided f…

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## [ITK 6.0 Beta 2 has been released!](https://discourse.itk.org/t/itk-6-0-beta-2-has-been-released/7738)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 1\
**Last updated:** [March 25, 2026, 4:11pm UTC](https://discourse.itk.org/t/itk-6-0-beta-2-has-been-released/7738 "2026-03-25T16:11:40Z")

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We are excited to announce the second beta release of ITK 6.0! This release introduces modern CMake module targets — a major build system modernization that makes it easier than ever to link ITK into your projects. Along…

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## [SimpleITK 3.0.0 Alpha 3](https://discourse.itk.org/t/simpleitk-3-0-0-alpha-3/7733)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 5\
**Last updated:** [March 19, 2026, 10:10am UTC](https://discourse.itk.org/t/simpleitk-3-0-0-alpha-3/7733 "2026-03-19T10:10:54Z")

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Release Notes for SimpleITK v3.0.0 Alpha Release 3 This is the third Alpha Release of SimpleITK 3.0. It covers changes since v3.0.0a1 (September 2025), including v3.0.0a2. Significant work has been done on the Python pa…

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## [ITK 5.4.5 has been released! Onboarding AI Agents](https://discourse.itk.org/t/itk-5-4-5-has-been-released-onboarding-ai-agents/7670)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [November 24, 2025, 9:00pm UTC](https://discourse.itk.org/t/itk-5-4-5-has-been-released-onboarding-ai-agents/7670 "2025-11-24T21:00:32Z")

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We are pleased to announce the release of ITK 5.4.5! ITK 5.4.5 is a maintenance release focused on critical bug fixes, improved documentation, and platform support, while introducing AI agent onboarding to assist in pro…

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## [ITK 6.0 Beta 1 has been released!](https://discourse.itk.org/t/itk-6-0-beta-1-has-been-released/7651)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [October 29, 2025, 9:10pm UTC](https://discourse.itk.org/t/itk-6-0-beta-1-has-been-released/7651 "2025-10-29T21:10:36Z")

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We are excited to announce the first beta release of ITK 6.0! This major version update marks a significant leap forward in the toolkit’s evolution, focusing on code modernization, cleanup, and enhanced performance. As a…

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## [SimpleITK 3.0.0 Alpha 1](https://discourse.itk.org/t/simpleitk-3-0-0-alpha-1/7637)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 0\
**Last updated:** [September 19, 2025, 4:10pm UTC](https://discourse.itk.org/t/simpleitk-3-0-0-alpha-1/7637 "2025-09-19T16:10:44Z")

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Release Notes for SimpleITK v3.0.0 Alpha Release 1 This is an initial Alpha Release of a major version change of SimpleITK. Please test the new building infrastructure, the package binaries, and report and issues encount…

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## [ITK 5.4.4 has been released!](https://discourse.itk.org/t/itk-5-4-4-has-been-released/7565)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 4\
**Last updated:** [September 10, 2025, 3:33pm UTC](https://discourse.itk.org/t/itk-5-4-4-has-been-released/7565 "2025-09-10T15:33:06Z")

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We are pleased to announce the release of ITK 5.4.4, a maintenance update delivering critical improvements while maintaining API stability. This is latest maintenance update for this cross-platform, open-source toolkit s…

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## [RTK training - June 13 in Lyon (France)](https://discourse.itk.org/t/rtk-training-june-13-in-lyon-france/7490)

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**Author:** [@simon.rit](https://discourse.itk.org/u/simon.rit)\
**Replies:** 4\
**Last updated:** [May 26, 2025, 7:37am UTC](https://discourse.itk.org/t/rtk-training-june-13-in-lyon-france/7490 "2025-05-26T07:37:20Z")

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Dear (current or potential) RTK users, It is our pleasure to invite you to an in-person RTK training on Friday June 13 2025 in Lyon (France) at the Marie Curie library. This training targets both new users who want to…

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## [ITK 5.4.3 has been released!](https://discourse.itk.org/t/itk-5-4-3-has-been-released/7489)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [April 2, 2025, 3:27pm UTC](https://discourse.itk.org/t/itk-5-4-3-has-been-released/7489 "2025-04-02T15:27:07Z")

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We are pleased to announce the release of ITK 5.4.3, the latest maintenance update for this cross-platform, open-source toolkit supporting N-dimensional scientific image analysis with spatially-aware algorithms. :tada: …

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## [ITK 5.4.2 has been released!](https://discourse.itk.org/t/itk-5-4-2-has-been-released/7430)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [February 13, 2025, 8:06pm UTC](https://discourse.itk.org/t/itk-5-4-2-has-been-released/7430 "2025-02-13T20:06:23Z")

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We are pleased to announce the release of ITK 5.4.2, the latest maintenance update for this cross-platform, open-source toolkit supporting N-dimensional scientific image analysis with spatially-aware algorithms. :tada: …

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## [ITK 5.4.0 has been released!](https://discourse.itk.org/t/itk-5-4-0-has-been-released/7386)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [January 20, 2025, 4:12am UTC](https://discourse.itk.org/t/itk-5-4-0-has-been-released/7386 "2025-01-20T04:12:16Z")

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ITK 5.4.0 Release Notes: ReadTheDocs Documentation We are happy to announce the Insight Toolkit (ITK) 5.4.0 is available for download! :tada: :clinking\_beer\_mugs: :partying\_face: ITK is an open-source, cross-platform too…

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## [ITK Maintenance Hackathon, January 2025](https://discourse.itk.org/t/itk-maintenance-hackathon-january-2025/7378)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 1\
**Last updated:** [January 17, 2025, 5:33pm UTC](https://discourse.itk.org/t/itk-maintenance-hackathon-january-2025/7378 "2025-01-17T17:33:26Z")

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The Insight Toolkit (ITK) is an open-source, cross-platform toolkit for N-dimensional scientific image processing, segmentation, and registration. The ITK Maintenance Hackathon aims to bring together ITK developers a…

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## [SimpleITK 2.4.1 Release](https://discourse.itk.org/t/simpleitk-2-4-1-release/7382)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 0\
**Last updated:** [January 15, 2025, 3:45pm UTC](https://discourse.itk.org/t/simpleitk-2-4-1-release/7382 "2025-01-15T15:45:06Z")

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Announcing the SimpleITK 2.4.1 Release! The release includes critical bug fixes and compilation issues including an update to ITK v5.4.2. Installing SimpleITK Complete instructions on getting started with SimpleITK inc…

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## [SimpleITK 2.4.0 Release](https://discourse.itk.org/t/simpleitk-2-4-0-release/7181)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 0\
**Last updated:** [August 16, 2024, 7:12pm UTC](https://discourse.itk.org/t/simpleitk-2-4-0-release/7181 "2024-08-16T19:12:20Z")

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Announcement Announcing the SimpleITK 2.4.0 Release! Installing SimpleITK Complete instructions on getting started with SimpleITK including downloading binaries or building SimpleITK can be found on the SimpleITK Read t…

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## [SimpleITK 2.4 Release Candidate 2](https://discourse.itk.org/t/simpleitk-2-4-release-candidate-2/7080)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 0\
**Last updated:** [July 17, 2024, 4:44pm UTC](https://discourse.itk.org/t/simpleitk-2-4-release-candidate-2/7080 "2024-07-17T16:44:56Z")

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Announcement Announcing the SimpleITK 2.4 Release Candidate 2! This release was made with new infrastructure in Github Actions. Users and developers are encouraged to test the RC before the final release and report issu…

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## [RTK 2.6.0 Released](https://discourse.itk.org/t/rtk-2-6-0-released/7014)

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**Author:** [@simon.rit](https://discourse.itk.org/u/simon.rit)\
**Replies:** 0\
**Last updated:** [July 8, 2024, 10:04am UTC](https://discourse.itk.org/t/rtk-2-6-0-released/7014 "2024-07-08T10:04:16Z")

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RTK v2.6.0 has just been released. This release is intended to produce Python packages compatible with the ITK Python packages v5.4.0. The full list of changes is available here, the main ones are: Local weights map f…

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## [Call for Papers: MICCAI’24 Workshop on Shape Analysis in Medical Imaging (SHAPEMI)](https://discourse.itk.org/t/call-for-papers-miccai-24-workshop-on-shape-analysis-in-medical-imaging-shapemi/6709)

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**Author:** [@bpaniagua](https://discourse.itk.org/u/bpaniagua)\
**Replies:** 0\
**Last updated:** [June 19, 2024, 1:35pm UTC](https://discourse.itk.org/t/call-for-papers-miccai-24-workshop-on-shape-analysis-in-medical-imaging-shapemi/6709 "2024-06-19T13:35:00Z")

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Dear all, I would like to bring to your attention the third “Shape in Medical Imaging (ShapeMI)” workshop, which is to be held in conjunction with the MICCAI 2024 conference. Best regards, Bea MICCAI SHAPEMI Worksh…

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## [TotalSegmentator segmentations and radiomics features for 126K+ CT scans](https://discourse.itk.org/t/totalsegmentator-segmentations-and-radiomics-features-for-126k-ct-scans/6615)

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**Author:** [@fedorov](https://discourse.itk.org/u/fedorov)\
**Replies:** 0\
**Last updated:** [May 2, 2024, 6:09pm UTC](https://discourse.itk.org/t/totalsegmentator-segmentations-and-radiomics-features-for-126k-ct-scans/6615 "2024-05-02T18:09:51Z")

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The announcement below is reposted from Imaging Data Commons forum post here: New in IDC v18: TotalSegmentator segmentations and radiomics features for NLST CTs - Announcements - Imaging Data Commons IDC data release v…

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## [ITK 5.4 Release Candidate 4: ALL THE DICOMs](https://discourse.itk.org/t/itk-5-4-release-candidate-4-all-the-dicoms/6592)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [April 24, 2024, 4:50pm UTC](https://discourse.itk.org/t/itk-5-4-release-candidate-4-all-the-dicoms/6592 "2024-04-24T16:50:20Z")

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We are happy to announce the Insight Toolkit (ITK) 5.4 Release Candidate 4 is available for testing! :tada: ITK is an open-source, cross-platform toolkit for N-dimensional scientific image processing, segmentation, and r…

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## [ITK Training Course in March](https://discourse.itk.org/t/itk-training-course-in-march/6474)

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**Author:** [@finetjul](https://discourse.itk.org/u/finetjul)\
**Replies:** 2\
**Last updated:** [February 28, 2024, 7:05am UTC](https://discourse.itk.org/t/itk-training-course-in-march/6474 "2024-02-28T07:05:24Z")

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Kitware Europe will be holding an online/onsite developer’s training course on March 11th 2024 in Lyon, France. This course will cover features of ITK : Overview/Architecture Segmentation Registration Using ITK in you…

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## [ITK 5.4 Release Candidate 2 available for testing](https://discourse.itk.org/t/itk-5-4-release-candidate-2-available-for-testing/6404)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [January 22, 2024, 9:20pm UTC](https://discourse.itk.org/t/itk-5-4-release-candidate-2-available-for-testing/6404 "2024-01-22T21:20:45Z")

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ITK 5.4 Release Candidate 2: Web3 Testing Data We are happy to announce the Insight Toolkit (ITK) 5.4 Release Candidate 2 is available for testing! :tada: ITK is an open-source, cross-platform toolkit for N-dimensional s…

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## [ITK 5.4 Release Candidate 1 available for testing](https://discourse.itk.org/t/itk-5-4-release-candidate-1-available-for-testing/6107)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 2\
**Last updated:** [January 22, 2024, 9:00pm UTC](https://discourse.itk.org/t/itk-5-4-release-candidate-1-available-for-testing/6107 "2024-01-22T21:00:04Z")

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ITK 5.4 Release Candidate 1: C++17 We are happy to announce the Insight Toolkit (ITK) 5.4 Release Candidate 1 is available for testing! :tada: ITK is an open-source, cross-platform toolkit for N-dimensional scientific im…

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## [ITK Training Course](https://discourse.itk.org/t/itk-training-course/6389)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [January 11, 2024, 7:03pm UTC](https://discourse.itk.org/t/itk-training-course/6389 "2024-01-11T19:03:06Z")

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Kitware will host a remote ITK (Advanced) training course from February 12th - 13th 1pm - 5pm EST. Be sure to register for the course using the code ITKADVANCEDTRAINING for a 20% off registration discount! For more i…

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## [SimpleITK 2.3.0 Release](https://discourse.itk.org/t/simpleitk-2-3-0-release/6222)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 0\
**Last updated:** [September 21, 2023, 8:12pm UTC](https://discourse.itk.org/t/simpleitk-2-3-0-release/6222 "2023-09-21T20:12:21Z")

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Announcement Announcing the SimpleITK 2.3.0 Release! The release includes new features, behavior changes, documentation updates and bug fixes. Installing SimpleITK Complete instructions on getting started with SimpleIT…

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## [NCI Imaging Data Commons July 2023 release announcement](https://discourse.itk.org/t/nci-imaging-data-commons-july-2023-release-announcement/6074)

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**Author:** [@fedorov](https://discourse.itk.org/u/fedorov)\
**Replies:** 0\
**Last updated:** [July 17, 2023, 9:35pm UTC](https://discourse.itk.org/t/nci-imaging-data-commons-july-2023-release-announcement/6074 "2023-07-17T21:35:29Z")

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Imaging Data Commons release v15 brings you Visible Human Dataset among several new collections, along with the improvements to the portal to simplify download process and new tutorials. See the details in the release an…

[Next page](https://discourse.itk.org/c/announcements/5.md?page=1)