# ITK 5.1.2 has been released!

**URL:** https://discourse.itk.org/t/itk-5-1-2-has-been-released/3688
**Category:** Announcements
**Tags:** python, releases, itk-releases
**Created:** [December 8, 2020, 5:35pm UTC](https://discourse.itk.org/t/itk-5-1-2-has-been-released/3688 "2020-12-08T17:35:52Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![matt.mccormick](https://discourse.itk.org/user_avatar/discourse.itk.org/matt.mccormick/32/7_2.png) [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)
#### Post date: [December 8, 2020, 5:35pm UTC](https://discourse.itk.org/t/itk-5-1-2-has-been-released/3688/1 "2020-12-08T17:35:53Z")

</div>

We are happy to announce the Insight Toolkit (ITK) 5.1.2! 🎉 ITK is an open-source, cross-platform toolkit for N-dimensional scientific image processing, segmentation, and registration.

**Python Packages**

Install [ITK Python packages](https://itkpythonpackage.readthedocs.io/en/latest/Quick_start_guide.html) with:

```auto
pip install --upgrade itk

```

or:

```auto
conda install -c conda-forge itk

```

**Library Sources**

- [InsightToolkit-5.1.2.tar.gz](https://github.com/InsightSoftwareConsortium/ITK/releases/download/v5.1.2/InsightToolkit-5.1.2.tar.gz)
- [InsightToolkit-5.1.2.zip](https://github.com/InsightSoftwareConsortium/ITK/releases/download/v5.1.2/InsightToolkit-5.1.2.zip)

**Testing Data**

Unpack optional testing data in the same directory where the Library Source is unpacked.

- [InsightData-5.1.2.tar.gz](https://github.com/InsightSoftwareConsortium/ITK/releases/download/v5.1.2/InsightData-5.1.2.tar.gz)
- [InsightData-5.1.2.zip](https://github.com/InsightSoftwareConsortium/ITK/releases/download/v5.1.2/InsightData-5.1.2.zip)

**Checksums**

- [MD5SUMS](https://github.com/InsightSoftwareConsortium/ITK/releases/download/v5.1.2/MD5SUMS)
- [SHA512SUMS](https://github.com/InsightSoftwareConsortium/ITK/releases/download/v5.1.2/SHA512SUMS)

ITK 5.1.2 is a patch release that makes improvements to issues found in the 5.1.1 release. For more details on ITK 5.1, see the [ITK 5.1.0 Release Notes](https://github.com/InsightSoftwareConsortium/ITK/releases/tag/v5.1.0).

This release addresses various issues such as HDF5 install paths and MRC and TIFF pixel type support – details can be found in the change log below. Cross-platform Python packages are available for Python 3.6, 3.7, 3.8, and 3.9. Packages for Python 3.5 are no longer provided following CPython’s deprecation schedule.

## What’s Next

Join us in the creation of advanced, open source scientific image analysis tools. Take part in the community discussion at [discourse.itk.org](https://discourse.itk.org). Contribute with pull requests, code reviews, and issue discussions in our [GitHub Organization](https://github.com/InsightSoftwareConsortium).

The first release candidate for ITK 5.2, which provides many new features and updates for [Project MONAI](https://github.com/Project-MONAI/MONAI), is anticipated over the next two weeks.

**Enjoy ITK!**

## Changes from 5.1.1 to 5.1.2

### Bradley Lowekamp (4):

#### Platform Fixes

- Updating ITKSimpleITKFilters remote module ([e3ba060fe5](https://github.com/InsightSoftwareConsortium/ITK/commit/e3ba060fe5))

#### Bug Fixes

- Address divide by zero error in SignedMaurerDistance ([4fb2831d62](https://github.com/InsightSoftwareConsortium/ITK/commit/4fb2831d62))
- Support MRC2014 mode 0 as signed 8-bit integer ([f7d72576bf](https://github.com/InsightSoftwareConsortium/ITK/commit/f7d72576bf))

#### Style Changes

- Improve function types used in SignedMaurerDistanceMap ([b706cf64c7](https://github.com/InsightSoftwareConsortium/ITK/commit/b706cf64c7))

### Hans Johnson (1):

#### Bug Fixes

- itkhdf5 installed paths were incorrect with recent hdf5 versions ([fd4a438042](https://github.com/InsightSoftwareConsortium/ITK/commit/fd4a438042))

### Lee Newberg (1):

#### Bug Fixes

- MinPriorityQueueElementWrapper constructor needs default constructor ([b027780259](https://github.com/InsightSoftwareConsortium/ITK/commit/b027780259))

### Matt McCormick (3):

#### Enhancements

- Update ITK CMake version for 5.1.2 ([39d9b1712f](https://github.com/InsightSoftwareConsortium/ITK/commit/39d9b1712f))
- Add int.tiff.md5 content link for 5.1.2 release ([a0125aa894](https://github.com/InsightSoftwareConsortium/ITK/commit/a0125aa894))

#### Bug Fixes

- Add TIFFImageIO support for unsigned int and int pixel types ([241953dd23](https://github.com/InsightSoftwareConsortium/ITK/commit/241953dd23))

### Niels Dekker (1):

#### Bug Fixes

- Fix MatrixOffsetTransformBase SetFixedParameters if too few params ([33e9e6bdba](https://github.com/InsightSoftwareConsortium/ITK/commit/33e9e6bdba))