# \#nightlybuild

**URL:** https://discourse.slicer.org/tag/nightlybuild/70.md

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

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## [No nightly Windows releases since 2025-12-22](https://discourse.slicer.org/t/no-nightly-windows-releases-since-2025-12-22/45647)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 5\
**Last updated:** [January 19, 2026, 4:39pm UTC](https://discourse.slicer.org/t/no-nightly-windows-releases-since-2025-12-22/45647 "2026-01-19T16:39:13Z")

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Could someone at Kitware have a look at the Windows build machine? There have been no Windows builds for about a week now. Thank you! @Sam\_Horvath @ebrahim

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## [Slicer Build Environment Upgraded to \`qt5-almalinux8-gcc14\`](https://discourse.slicer.org/t/slicer-build-environment-upgraded-to-qt5-almalinux8-gcc14/43802)

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**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Replies:** 12\
**Last updated:** [December 16, 2025, 4:05pm UTC](https://discourse.slicer.org/t/slicer-build-environment-upgraded-to-qt5-almalinux8-gcc14/43802 "2025-12-16T16:05:20Z")

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The build environment used for generating Slicer Preview and its extensions has been upgraded from qt5-centos7-gcc7 to qt5-almalinux8-gcc14. This update brings improved C++ standards support, better compatibility with m…

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## [CDash build error: JSON not found](https://discourse.slicer.org/t/cdash-build-error-json-not-found/40241)

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**Author:** [@acsenrafilho](https://discourse.slicer.org/u/acsenrafilho)\
**Replies:** 6\
**Last updated:** [August 9, 2025, 9:40pm UTC](https://discourse.slicer.org/t/cdash-build-error-json-not-found/40241 "2025-08-09T21:40:22Z")

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Hi Slicers, I have uploaded some projects to the Slicer Extension Index. Some of them presented the following build error: error: EXTENSION\_FILE CMake variable points to a inexistent file or directory: /.../SlicerDTI…

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## [Many extensions are not getting updates for Slicer Stable Release](https://discourse.slicer.org/t/many-extensions-are-not-getting-updates-for-slicer-stable-release/34343)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 6\
**Last updated:** [February 17, 2024, 8:45pm UTC](https://discourse.slicer.org/t/many-extensions-are-not-getting-updates-for-slicer-stable-release/34343 "2024-02-17T20:45:39Z")

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Nightly build of many extensions for Slicer-5.6 have build errors on Windows and macOS. The errors started to show up a few weeks ago. For example, SlicerHeart extension failures: https://slicer.cdash.org/index.php?pro…

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## [Revisit GitHub Actions for Slicer CI?](https://discourse.slicer.org/t/revisit-github-actions-for-slicer-ci/31886)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 2\
**Last updated:** [September 25, 2023, 2:30pm UTC](https://discourse.slicer.org/t/revisit-github-actions-for-slicer-ci/31886 "2023-09-25T14:30:53Z")

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I recently learned that as hard as it is to believe, it appears that GitHub Actions provide free usage or runners for public repositories, and have exceedingly generous limits - 6 hours per job and 35 DAYS per workflow. …

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## [No Slicer Preview Release for Windows today and some extensions were missing yesterday](https://discourse.slicer.org/t/no-slicer-preview-release-for-windows-today-and-some-extensions-were-missing-yesterday/21920)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 1\
**Last updated:** [February 11, 2022, 6:15pm UTC](https://discourse.slicer.org/t/no-slicer-preview-release-for-windows-today-and-some-extensions-were-missing-yesterday/21920 "2022-02-11T18:15:04Z")

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No Windows build was updated today and some extensions (such as QuantitativeReporting) is missing for yesterday’s release. Maybe the Windows factory crashed? @Sam\_Horvath could you have a look? Thank you!

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## [CTK and SLICER Warnings while building SlicerCustomApp Templete, then after it its creating error after modification](https://discourse.slicer.org/t/ctk-and-slicer-warnings-while-building-slicercustomapp-templete-then-after-it-its-creating-error-after-modification/20130)

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**Author:** [@Dwij\_Mistry](https://discourse.slicer.org/u/Dwij_Mistry)\
**Replies:** 0\
**Last updated:** [October 13, 2021, 9:28am UTC](https://discourse.slicer.org/t/ctk-and-slicer-warnings-while-building-slicercustomapp-templete-then-after-it-its-creating-error-after-modification/20130 "2021-10-13T09:28:36Z")

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Hello Developer, I am getting CTK and SLICER warnings while BUILD\_ALL in custom slicer build process. I have installed following software as mentioned in the https://slicer.readthedocs.io/en/latest/developer\_guide/buil…

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## [Build failure of certain extensions on Mac factory due to missing svn](https://discourse.slicer.org/t/build-failure-of-certain-extensions-on-mac-factory-due-to-missing-svn/18813)

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**Author:** [@cpinter](https://discourse.slicer.org/u/cpinter)\
**Replies:** 3\
**Last updated:** [July 20, 2021, 2:18pm UTC](https://discourse.slicer.org/t/build-failure-of-certain-extensions-on-mac-factory-due-to-missing-svn/18813 "2021-07-20T14:18:19Z")

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It seems that certain extensions reliably fail to build on Mac due to missing svn command. For example SlicerRT or SlicerHeart: https://slicer.cdash.org/viewBuildError.php?buildid=2323746 https://slicer.cdash.org/viewB…

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## [Relocation of factory-south-macos build build machine (April 26th, 2021)](https://discourse.slicer.org/t/relocation-of-factory-south-macos-build-build-machine-april-26th-2021/17336)

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**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Replies:** 3\
**Last updated:** [April 26, 2021, 6:35pm UTC](https://discourse.slicer.org/t/relocation-of-factory-south-macos-build-build-machine-april-26th-2021/17336 "2021-04-26T18:35:03Z")

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The build machine factory-south-macos.kitware will be relocated to a different room this afternoon, disruption of macOS build for remaining nightly extension builds should be expected.

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## [FYI - Windows packages out of date](https://discourse.slicer.org/t/fyi-windows-packages-out-of-date/17103)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [April 16, 2021, 1:23pm UTC](https://discourse.slicer.org/t/fyi-windows-packages-out-of-date/17103 "2021-04-16T13:23:51Z")

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Due to this issue, nightly Windows packages are not building are so are a few days out of date on the download page. We anticipate that this will be fixed in the next day or so.

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## [FYI - Nightly Windows build / extensions will be late today](https://discourse.slicer.org/t/fyi-nightly-windows-build-extensions-will-be-late-today/16964)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [April 7, 2021, 12:26pm UTC](https://discourse.slicer.org/t/fyi-nightly-windows-build-extensions-will-be-late-today/16964 "2021-04-07T12:26:25Z")

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We had to restart the Windows factory process, and so the windows packages won’t be available until later today.

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## [Crash on Slicer Startup on Qt5 Linux Mint](https://discourse.slicer.org/t/crash-on-slicer-startup-on-qt5-linux-mint/15774)

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**Author:** [@RobinMontferme](https://discourse.slicer.org/u/RobinMontferme)\
**Replies:** 3\
**Last updated:** [February 1, 2021, 3:04pm UTC](https://discourse.slicer.org/t/crash-on-slicer-startup-on-qt5-linux-mint/15774 "2021-02-01T15:04:59Z")

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Hello, I have recently tried to build the latest version of Slicer4 (4.13.0-2021-01-30). I am using Linux Mint 20.1 (based on Ubuntu 20.04 Focal Fossa) I also opened a github issue related to said problem here. After…

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## [4.9.0 nightly build cannot be run on a VNC server due to Qt5-GLX problem](https://discourse.slicer.org/t/4-9-0-nightly-build-cannot-be-run-on-a-vnc-server-due-to-qt5-glx-problem/3185)

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**Author:** [@ferhue](https://discourse.slicer.org/u/ferhue)\
**Replies:** 5\
**Last updated:** [March 19, 2020, 9:51pm UTC](https://discourse.slicer.org/t/4-9-0-nightly-build-cannot-be-run-on-a-vnc-server-due-to-qt5-glx-problem/3185 "2020-03-19T21:51:36Z")

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I am using a VNCviewer to connect to a remote Ubuntu 16 server, where I have installed 3DSlicer. I downloaded the stable release and run it without problems as: user@pgdev:~$ /opt/Slicer-4.8.1-linux-amd64/Slicer Numb…

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## [Docker image for \`nightly-master\`](https://discourse.slicer.org/t/docker-image-for-nightly-master/8273)

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**Author:** [@unnmdnwb3](https://discourse.slicer.org/u/unnmdnwb3)\
**Replies:** 5\
**Last updated:** [September 23, 2019, 8:32pm UTC](https://discourse.slicer.org/t/docker-image-for-nightly-master/8273 "2019-09-23T20:32:08Z")

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Hello everyone, We’d like to introduce a new docker image unnmdnwb3/slicer3d-nightly, which offers an environment to test extensions for Slicer 4.11.x (which supports Python 3 ). The image is based on Slicer’s branch ni…

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## [GLSL shaders use non supported version 1.50 that makes CI/CD to fail in a docker container](https://discourse.slicer.org/t/glsl-shaders-use-non-supported-version-1-50-that-makes-ci-cd-to-fail-in-a-docker-container/8307)

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**Author:** [@Alex\_Vergara](https://discourse.slicer.org/u/Alex_Vergara)\
**Replies:** 2\
**Last updated:** [September 5, 2019, 12:47pm UTC](https://discourse.slicer.org/t/glsl-shaders-use-non-supported-version-1-50-that-makes-ci-cd-to-fail-in-a-docker-container/8307 "2019-09-05T12:47:26Z")

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@lassoan, @cpinter, we are trying to test our extension in a docker container as described by @unnmdnwb3 in this thread. However, the test fails when executing slicer with these errors. Basically the VTK version that i…

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## [Slicer build fails on all platforms](https://discourse.slicer.org/t/slicer-build-fails-on-all-platforms/8058)

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**Author:** [@cpinter](https://discourse.slicer.org/u/cpinter)\
**Replies:** 21\
**Last updated:** [August 20, 2019, 2:58pm UTC](https://discourse.slicer.org/t/slicer-build-fails-on-all-platforms/8058 "2019-08-20T14:58:19Z")

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Hi all, My clean Slicer builds failed, with undeterministic errors about CTK and/or ITK configuration. I checked and the dashboard shows failed build on all platforms http://slicer.cdash.org/index.php?project=SlicerPr…

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## [Build module against Nightly Slicer](https://discourse.slicer.org/t/build-module-against-nightly-slicer/5648)

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**Author:** [@siaeleni](https://discourse.slicer.org/u/siaeleni)\
**Replies:** 5\
**Last updated:** [May 7, 2019, 7:41pm UTC](https://discourse.slicer.org/t/build-module-against-nightly-slicer/5648 "2019-05-07T19:41:59Z")

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Hello, I want to build a module against Nightly Slicer at Release mode. When I build the sln at VS I would expect to get generated the files at : moduleName\_build\\lib\\Slicer-4.11\\cli-modules\\Release path, but they ar…

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## [Multiple issues with extension builds](https://discourse.slicer.org/t/multiple-issues-with-extension-builds/6160)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 3\
**Last updated:** [March 19, 2019, 9:07pm UTC](https://discourse.slicer.org/t/multiple-issues-with-extension-builds/6160 "2019-03-19T21:07:24Z")

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There are several issues that are new (at least to me): at least some extensions are not listed 3 times (e.g. SlicerElastix is listed only once), which to me means they were not built on all platforms maybe I am mistak…

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## [Better way for browsing nightly builds?](https://discourse.slicer.org/t/better-way-for-browsing-nightly-builds/6077)

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**Author:** [@mcfly3001](https://discourse.slicer.org/u/mcfly3001)\
**Replies:** 2\
**Last updated:** [March 8, 2019, 4:41pm UTC](https://discourse.slicer.org/t/better-way-for-browsing-nightly-builds/6077 "2019-03-08T16:41:27Z")

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Hi Slicer-Team, Your team recently helped me to solve a bug we have found in the OpenIGTLink extension. It was quickly fixed and I was told that there will be an updated available in the next day. Today I found time to…

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## [Build errors nightly version](https://discourse.slicer.org/t/build-errors-nightly-version/5491)

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**Author:** [@siaeleni](https://discourse.slicer.org/u/siaeleni)\
**Replies:** 8\
**Last updated:** [January 24, 2019, 9:23pm UTC](https://discourse.slicer.org/t/build-errors-nightly-version/5491 "2019-01-24T21:23:03Z")

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Hello, I am trying to build Slicer at my laptop, Win 10 while I follow nightly instructions from slicer documentation for Release mode. But I got the following errors: Do you have any idea how can I solve that issue…

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## [Has anyone tested a nightly build on windows server 2016?](https://discourse.slicer.org/t/has-anyone-tested-a-nightly-build-on-windows-server-2016/4489)

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**Author:** [@jamesjcook](https://discourse.slicer.org/u/jamesjcook)\
**Replies:** 2\
**Last updated:** [October 23, 2018, 1:25pm UTC](https://discourse.slicer.org/t/has-anyone-tested-a-nightly-build-on-windows-server-2016/4489 "2018-10-23T13:25:24Z")

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I’m getting ready to set up a new development VM and would love to know if anyone has traveled this path and failed ahead of me. Has anyone tried to build on a window server 2016 system? I’ll be following the nightly in…

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## [Extension not available in Nightly](https://discourse.slicer.org/t/extension-not-available-in-nightly/3469)

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**Author:** [@jonieva](https://discourse.slicer.org/u/jonieva)\
**Replies:** 1\
**Last updated:** [July 12, 2018, 6:13pm UTC](https://discourse.slicer.org/t/extension-not-available-in-nightly/3469 "2018-07-12T18:13:48Z")

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Hi guys, Our Chest\_Imaging\_Platform extension is not available in the Nightly build. I checked the CDash and everything looks fine (http://slicer.cdash.org/index.php?project=Slicer4&filtercount=1&showfilters=1&field1=bu…

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## [Need help navigating Slicer dashboard](https://discourse.slicer.org/t/need-help-navigating-slicer-dashboard/2118)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 4\
**Last updated:** [February 19, 2018, 11:10pm UTC](https://discourse.slicer.org/t/need-help-navigating-slicer-dashboard/2118 "2018-02-19T23:10:48Z")

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I no longer see nightly builds at the location they used to be: http://slicer.cdash.org/index.php?project=Slicer4, the only category is Extensions-4.8-Nightly. The download page shows Slicer was build last night, but I c…

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## [Transition of nightly build to Qt5, VTK9, CMake 3.9 and C++11](https://discourse.slicer.org/t/transition-of-nightly-build-to-qt5-vtk9-cmake-3-9-and-c-11/1918)

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**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Replies:** 28\
**Last updated:** [February 8, 2018, 2:23pm UTC](https://discourse.slicer.org/t/transition-of-nightly-build-to-qt5-vtk9-cmake-3-9-and-c-11/1918 "2018-02-08T14:23:27Z")

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Hi All, Now that we have released Slicer 4.8.1 and also addressed a lot of issues with Qt5 and VTK9, the time has come to transition our nightly builds. IMPORTANT: Time the nightly builds are stabilized, you should exp…

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## [SlicerOpenCV nightly build failed](https://discourse.slicer.org/t/sliceropencv-nightly-build-failed/1058)

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**Author:** [@tdiprima](https://discourse.slicer.org/u/tdiprima)\
**Replies:** 0\
**Last updated:** [September 15, 2017, 2:05pm UTC](https://discourse.slicer.org/t/sliceropencv-nightly-build-failed/1058 "2017-09-15T14:05:53Z")

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Hi guys, SlicerPathology depends on SlicerOpenCV… I hope you can help me out. Here’s the build error. And it says: -- MD5 hash of /.../SlicerOpenCV-build/OpenCV-prefix/src/3.1.0.tar.gz does not match expected v…