# New extensions can not work on Slicer 5.4.0 on MacOS

**URL:** <https://discourse.slicer.org/t/new-extensions-can-not-work-on-slicer-5-4-0-on-macos/31535>\
**Category:** Support\
**Created:** [September 4, 2023, 6:01am UTC](https://discourse.slicer.org/t/new-extensions-can-not-work-on-slicer-5-4-0-on-macos/31535 "2023-09-04T06:01:18Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [September 18, 2023, 2:19am UTC](https://discourse.slicer.org/t/new-extensions-can-not-work-on-slicer-5-4-0-on-macos/31535/7 "2023-09-18T02:19:38Z")

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A post was split to a new topic: [SlicerTMS extension does not work in Slicer-5.4 on macOS](https://discourse.slicer.org/t/slicertms-extension-does-not-work-in-slicer-5-4-on-macos/31763)

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_[View the full topic](https://discourse.slicer.org/t/new-extensions-can-not-work-on-slicer-5-4-0-on-macos/31535)._