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 🥳