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Home < Announcements:Slicer3.4


The community of Slicer developers is proud to announce the release of Slicer 3.4.

  • Click here to download different versions of Slicer3 and find pointers to the source code, mailing lists and bug tracker. *Please note that Slicer continues to be a research package and is not intended for clinical use. Testing of functionality is an ongoing activity with high priority, however, some features of Slicer3 are not fully tested.
  • The Slicer 3.4 Training page provides a series of courses for learning how to use Slicer3. The portfolio contains self-guided presentation and sample data sets

The main pages provide a guided tour to the application, training materials, and the development community. New users should start there because we try to keep the pages organized and up to date.


New Features in Slicer 3.4

Slicer 3.4 has many new features! Please also note that many of these new features are still being developed and will be improved in future releases, so you may encounter some unexpected behavior. If you do encounter unexpected behavior, you can join the Slicer users' mailing by sending email to with the subject "subscribe", and report the behavior there to see if there is a work around (or check the archives), and to the bug tracker if it needs to be solved by the developers.

New Features

  • Welcome Module at Startup
  • Improved Save Module
  • Improved Editor
  • New Registration module
  • New Slices module
  • Fiducial based tractography
  • Improved SceneSnapshot Screen Capture functionality
  • Compare View and Cross Hairs
  • Support for Extension Server for installing plug-ins
  • Improved Dicom Support
  • MRML scenes and all data load from and save into XNAT desktop

Links to the Latest Slicer 3.4 Binaries


  • 64-bit Linux
  • 32-bit Linux
  • Darwin PPC
  • Darwin x86
  • Windows

Pages with reference manual style documentation of the modules in Slicer 3.4

Reporting Bugs

Please go to and report bugs for Slicer version 3.

Where to go for Help

Compilation/development questions can be sent to the Slicer Developers Mailing List. Questions about running Slicer can be sent to the Slicer Users Mailing List.

Subscription management tools and archives are available at:


The Slicer Development Team

This work is part of the National Alliance for Medical Image Computing (NAMIC), funded by the National Institutes of Health through the NIH Roadmap for Medical Research, Grant U54 EB005149. Information on the National Centers for Biomedical Computing can be obtained from This work was also supported by NIH grant P41 RR13218 (NAC) and the Biomedical Informatics Research Network.