# CMF extension not available in Mac preview build

**URL:** <https://discourse.slicer.org/t/cmf-extension-not-available-in-mac-preview-build/27019>\
**Category:** Development\
**Tags:** cmf\
**Created:** [January 3, 2023, 5:00pm UTC](https://discourse.slicer.org/t/cmf-extension-not-available-in-mac-preview-build/27019 "2023-01-03T17:00:40Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![PaoloZaffino](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/paolozaffino/32/81052_2.png) [@PaoloZaffino](https://discourse.slicer.org/u/PaoloZaffino)\
**Post date:** [January 3, 2023, 5:00pm UTC](https://discourse.slicer.org/t/cmf-extension-not-available-in-mac-preview-build/27019/1 "2023-01-03T17:00:40Z")

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Hi all,  
I just noted that, on Mac, the CMF extension is not available in the preview build.  
Here the CDash page:  
[https://slicer.cdash.org/viewTest.php?onlyfailed&buildid=2902908](https://slicer.cdash.org/viewTest.php?onlyfailed&buildid=2902908)

Best,  
Paolo

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**Author:** ![jcfr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jcfr/32/17825_2.png) [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Post date:** [January 5, 2023, 9:57pm UTC](https://discourse.slicer.org/t/cmf-extension-not-available-in-mac-preview-build/27019/2 "2023-01-05T21:57:02Z")

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While some of the tests are failing, the extension should be available this can be verified [here](https://slicer.cdash.org/index.php?project=SlicerPreview&date=2023-01-03&filtercount=2&showfilters=1&filtercombine=and&field1=site&compare1=63&value1=macos&field2=buildname&compare2=63&value2=CMF) where clicking on the failing test correspond to the buildid `2902908` associated with the link you shared.

As mentioned in [No mac extensions for Slicer stable? - #6 by jcfr](https://discourse.slicer.org/t/no-mac-extensions-for-slicer-stable/26775/6), I will make sure the extensions test are disabled for the macos extension stable builds.

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**Author:** ![PaoloZaffino](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/paolozaffino/32/81052_2.png) [@PaoloZaffino](https://discourse.slicer.org/u/PaoloZaffino)\
**Post date:** [January 14, 2023, 3:24pm UTC](https://discourse.slicer.org/t/cmf-extension-not-available-in-mac-preview-build/27019/3 "2023-01-14T15:24:23Z")

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Thanks @jcfr, now it is possible to download the extension!