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Published August 14, 2025 | Version v0.6.4rc0
Software Open

napari: a multi-dimensional image viewer for Python

Authors/Creators

  • 1. Chan Zuckerberg Initiative
  • 2. Harvard Medical School
  • 3. napari; University of Warsaw, Faculty of Mathematics, Informatics, and Mechanics
  • 4. Monash eResearch Centre, Monash University
  • 5. The Jackson Laboratory
  • 6. napari
  • 7. MRC-LMB
  • 8. Monash University
  • 9. Iber Lab - ETH Zürich
  • 10. Quansight
  • 11. European Molecular Biology Laboratory, Genome Biology Unit, Heidelberg, Germany
  • 12. University of Minnesota — Twin Cities
  • 13. Willing Consulting
  • 14. Chan Zuckerberg Biohub
  • 15. Leibniz-IPHT, Jena, Germany
  • 16. Harvard Medical School, BIDMC
  • 17. SETI Institute/NASA ARC
  • 18. University of California, Santa Cruz
  • 19. Quansight Labs
  • 20. Laboratory for Optics and Biosciences, Ecole Polytechnique, INSERM, CNRS, Palaiseau, France
  • 21. Unaffiliated
  • 22. Friedrich Miescher Institute for Biomedical Research (FMI), Basel (Switzerland)
  • 23. EMBL Heidelberg, Germany
  • 24. University of California, Irvine
  • 25. Dartmouth College
  • 26. Tel Aviv University, Israel
  • 27. Ramona Optics Inc, Durham, North Carolina, USA
  • 28. University College London
  • 29. Naval Nuclear Laboratory
  • 30. Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland
  • 31. Universitätsmedizin Greifswald
  • 32. Kobe University
  • 33. Chan Zuckerberg Initiative Foundation
  • 34. UCL & The Alan Turing Institute
  • 35. EMBL Heidelberg
  • 36. MetaCell
  • 37. Delft University of Technology
  • 38. Apex Systems
  • 39. Sainsbury Wellcome Centre - University College London
  • 40. University of California, Los Angeles
  • 41. Georg-August-Universität Göttingen
  • 42. University Hospital Würzburg - Institute of Neuroradiology
  • 43. Kavli Institute for Systems Neuroscience at NTNU, Trondheim, Norway
  • 44. Algarve Centre of Marine Sciences (CCMAR)
  • 45. Yikes LLC
  • 46. Brown University
  • 47. NanoString Technologies, Inc.
  • 48. European Bioinformatics Institute - European Molecular Biology Laboratory
  • 49. University of Wisconsin-Madison
  • 50. AI lab for Living Technologies, University Medical Centre Utrecht (The Netherlands)
  • 51. DFG cluster of excellence 'Physics of Life', TU Dresden
  • 52. Aix Marseille University, CNRS, Fresnel, I2M, IBDM, Turing Centre for Living systems
  • 53. TU-Dresden / EPFL
  • 54. ETH Zurich / University of Zurich
  • 55. Tobeva Software
  • 56. Chinese Academy of Sciences - SIAT, Shenzhen, China

Description

napari 0.6.4

⚠️ Note: these release notes are still in draft while 0.6.4 is in release candidate testing. ⚠️

Tue, Aug 12, 2025

We're happy to announce the release of napari 0.6.4!

napari is a fast, interactive, multi-dimensional image viewer for Python. It's designed for exploring, annotating, and analyzing multi-dimensional images. It's built on Qt (for the GUI), VisPy (for performant GPU-based rendering), and the scientific Python stack (NumPy, SciPy, and friends).

For more information, examples, and documentation, please visit our website: https://napari.org/

Highlights

Run scripts with napari from the command line

As a follow-up to the ability to drag-n-drop scripts into the napari window from 0.6.3, you can now run scripts directly from the command line using the napari command and the path to the script (#8185 and #8187). For example napari examples/magic_immage_arithmetic.py will open napari and run the local script.

Improvements

  • Remove old path handle in napari start (#8185)
  • Prevent napari.run from being executed when running scripts from napari (#8187)

Bug Fixes

  • Set focus after toggling dockwidget via DockWidgetToggleAction (#8182)
  • Fix feature table widget sorting and editing of floats (#8190)
  • Explicit copy of layers data for balls example (#8203)

Documentation

  • Reorganize bundle instructions page to make it easier to navigate and provide download links (docs#813)
  • Simplify installation guide & better highlight bundle (docs#814)
  • Update codespell config and minor corrections (docs#816)
  • Add contracted roles to team page and rename core dev -> core TM (docs#817)

Other Pull Requests

  • Pin Github Actions actions to their hashes (#8140)
  • Move test that requires make_napari_viewer from test_qt_viewer (#8176)
  • Fix slider label shifted down, by overrwite QLineEdit qss rules (#8184)
  • [pre-commit.ci] pre-commit autoupdate (#8193)
  • Fix fallback version in setuptools_scm to pass schema validation (#8196)
  • Use napari url for test rather than Fiji (#8198)
  • [pre-commit.ci] pre-commit autoupdate (#8204)
  • Pin pytest-qt for python 3.10 to fix pyapp-kit projects tests (#8205)
  • Retry second fullscreen test (#8206)
  • Fix script for checking for updated dependencies. (#8207)
  • Update Version Switcher to 0.6.3 (docs#808)
  • ci(dependabot): bump napari/napari from 0.6.2 to 0.6.3 in the github-actions group (docs#810)

8 authors added to this release (alphabetical)

(+) denotes first-time contributors 🥳

7 reviewers added to this release (alphabetical)

(+) denotes first-time contributors 🥳

Notes

If you use this software, please cite it using these metadata.

Files

napari/napari-v0.6.4rc0.zip

Files (3.9 MB)

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md5:3378a7bd0461b7870bb35e8086a206dc
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Additional details

Related works

Is supplement to
Software: https://github.com/napari/napari/tree/v0.6.4rc0 (URL)

Software

Repository URL
https://github.com/napari/napari