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napari

@napari.org
580 followers 49 following 109 posts

n-dimensional image viewer for Python

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napari @napari.org · 29/09/2026
New blog post: a recap of our latest hackathon, naPLari in Krakow, Poland, this past July! Read why our hackathons are world famous! (With GloBIAS, we've had attendees from every continent except Antarctica!) And give us a follow to make sure you don't miss the next one! napari.org/island-dispa...
Jules Vanaret demonstrates BDV-style non-orthogonal slicing within napariDevelopers smiling gather around a laptop to look at a demo.hackathon participants looking at a phone together at a group dinnerDevelopers discussing around a laptop
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Marie Held @makaefer.bsky.social · 28/09/2026
Want to enhance your image analysis skills with napari? We’re running a two-day training event on how to use napari to effectively analyse your bioimaging data. 🕒 Applications close on 15 September. Learn more and apply 👇 www.crick.ac.uk/whats-on/cbi...
crick.ac.uk
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napari @napari.org · 26/09/2026
🚀 napari is hiring Remote Developers-in-Residence! Join us to build the future of interactive n-dimensional data visualization in Python. 💻 60% Dev / 20% Maintenance / 20% Community & Outreach ⏱️ Contract, 14–35 hrs/wk 🌍 Global 100% Remote Learn more and apply today: napari.org/island-dispa...
napari.org
We’re hiring Developers-in-Residence! — napari blog documentation
Organization: napari (a NumFOCUS Sponsored Project) Position Type: Independent contractor agreement. Global, 100% Remote. Duration: One year, possibility to extend. Commitment: 0.4 to 1.0 FTE…
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Claire Dessalles @clairedessalles.bsky.social · 23/09/2026
NeMo is finally out! 🐟 We present our new method to peel cellular layers and extract their nematics. If you're wondering what a fish has to do with curved nematics, check out the thread and the publication 👀👇🏼 arxiv.org/html/2609.12...
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Johannes Soltwedel @jo-soltwedel.bsky.social · 23/09/2026
🟦🟦🟦 Less fancy, just as handy: Attaching simple translations to your image tiles allows the #stitching tool of your choice (here: github.com/multiview-st... at work in @napari.org) and just hit "Fuse". Dataset from github.com/JaneliaSciCo...
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Johannes Soltwedel @jo-soltwedel.bsky.social · 23/09/2026
OME-Zarr 0.6 allows to compose multi-modal image data across dimensionalities into a joint dataset and ingest it into a supporting viewer of your choice. Combining image data across scales from µm 🧫 to cm 🧠 and beyond will be much easier now! Dataset source: rodare.hzdr.de/record/3131
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Johannes Soltwedel @jo-soltwedel.bsky.social · 23/09/2026
The main new things in 0.6 are ✨transformations ✨ - adding the "Where" directly to your image data. Some data (e.g., SCAPE microscopy) require a transform to display correctly. View your data correctly, data-duplication free with OME-Zarr 0.6! (UI is WIP, made for @napari.org x napari-ome-zarr)
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Ricardo Henriques @henriqueslab.bsky.social · 15/09/2026
🔬🚀 Out now in Communications AI & Computing: mAIcrobe, our open-source napari plugin for high-throughput bacterial image analysis. Segmentation, morphological profiling and cell cycle classification, all in one place 👇 doi.org/10.1038/s44488-026-00022-y
Screenshot of the published article page. Software, Open access, published 15 September 2026. Title: mAIcrobe, an open-source framework for high-throughput bacterial image analysis. Authors: António D. Brito, Dominik Alwardt, Beatriz de P. Mariz, Sérgio R. Filipe, Mariana G. Pinho, Bruno M. Saraiva and Ricardo Henriques. Communications AI & Computing 1, article number 16 (2026), followed by the abstract.Diagram of the mAIcrobe workflow. Acquisition feeds into segmentation with StarDist, Cellpose and community models, then into morphological profiling and a three-class cell cycle classifier, ending in a feature-space scatter plot with three separated clusters.
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SWC/GCNU Neuroinformatics Unit @neuroinformatics.dev · 21/09/2026
Our Google Summer of Code participants have been writing up their projects. First up, Anna Teruel-Sanchis who built an interactive GUI in @napari.org for correcting pose estimation tracks directly within the movement framework. Read more in Anna's blog: neuroinformatics.dev/blog/gsoc_20...
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napari @napari.org · 23/09/2026
Thanks for the shout out! 😍 Our goal in writing this blog was to share the (recent) overthinking we've done our typechecking journey to help others. Thank you Aniket for writing this up! Our new triage team truly shined 🌠 on this multi-week process: napari.org/stable/devel...
napari.org
Triage
This guide describes how napari curates its issue trackers and pull requests. A healthy tracker makes the project easier to use and to contribute to: issues are clearly described, duplicates are linke...
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DrLachie @drlachie.bsky.social · 10/09/2026
Proud to present the publication of napari-lattice – our solution to the immense computational requirements of Lattice Light Sheet and Oblique Plane Microscopy. onlinelibrary.wiley.com/doi/10.1111/... Before I get into the thread, the important part is on github: github.com/BioimageAnal... (1/n)
onlinelibrary.wiley.com
napari‐lattice: A user‐friendly image processing tool for lattice light‐sheet microscopy data
Lattice light-sheet microscopy (LLSM) enables researchers to capture high-speed 3D videos of living cells with high definition and minimal damage. However, this technology generates terabytes of data....
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Tamas Nagy @tamasnagy.com · 06/09/2026
Even with all the advancements in automated cell tracking getting us to 90%+ accuracy...that's still a lot of broken tracks over long movies! Our brains are pretty good at this so I made Vizsla 🐕, a little @napari.org plugin, to help you fix your tracks manually. 👉 pypi.org/project/napa...
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napari @napari.org · 26/08/2026
🚨🚨🚨 napari 0.9.0 is out! 🚨🚨🚨 This is a huge release for us and for our community, with over 30 people contributing new features, improvements, and bug fixes in the 6 weeks since 0.8.0! Release notes here: napari.org/stable/relea... and some highlights in the thread below! 👇
napari.org
napari 0.9.0
Tue, Aug 25, 2026 We’re happy to announce the release of napari 0.9.0! napari is a fast, interactive, multi-dimensional image viewer for Python. It’s designed for browsing, annotating, and analyzing l...
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Sebi @sebi06.bsky.social · 24/08/2026
Hi all, I updated pypi.org/project/czit... (0.21.0) and pypi.org/project/napa... (0.12.1) again. Now in @napari.org also opening large CZI files should work much better when using the plugin. The image shown in the video is about 100 GB on disk.
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napari @napari.org · 20/08/2026
Sizzling Summer Series 4 - global 🌍️ napari 0.9.0 is about ready to fly out the door! ✈️ We would be grateful if you tried out the pre-release: Install into an environment with `pip install "napari[all]>=0.9.0rc1"` or try with uv in a temp environment with `uvx "napari[all]>=0.9.0rc1"`.
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Johannes Soltwedel @jo-soltwedel.bsky.social · 17/08/2026
One cool feature in the latest #ome-zarr spec are "projectAxis" transforms 📽️: Projecting images into higher dims (i.e. 2D->3D) is absolutely transformative for some use cases! Now to do this with maaaany more slides 🔬 Dataset from rodare.hzdr.de/record/3131 cc @napari.org
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napari @napari.org · 13/08/2026
Sizzling Summer Series 3 - naPLari Hackathon, Kraków 🇵🇱 A lucky crew of 13 got to spend 6 jam-packed sunny days inside pumping out a fantastical assortment of napari features 🖥️ It was a ☕️ caffeine-, string 🧀 cheese- and 🥟 pierogi-fuelled extravaganza 🎊
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napari @napari.org · 12/08/2026
Sizzling Summer Series 2: Minneapolis -> Kraków ✈️ We talked, tutorialed and sprinted at EuroPython! The sprints WENT OFF -- 22 merged PRs don't lie 🤯 Then rinse repeat for EuroSciPy - our first conference as platinum sponsors! 💐THANK YOU💐 to those who joined us in Kraków!
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napari @napari.org · 12/08/2026
July was a whirlwind 🌪️ Join us for a Sizzling Summer Series of posts highlighting the community's amazing work💪 First, @timmonko.bsky.social, @aganders3.bsky.social and @willingc.bsky.social took on Minneapolis for SciPy 2026 with a tutorial, talk and plenary update - bit.ly/napari-scipy26
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napari @napari.org · 31/07/2026
And it's a wrap! The hackathon was a fantastic success! 🥳 You can look forward to a longer post about all we did, and one of our biggest releases yet in 0.9.0! Huge thanks to all the participants 🤩, and we hope to see you at the next one!
Hackathon participants discussing a new feature demo.Jules Vanaret shows off slicing of volumes with non-orthogonal transforms.The naPLari hackathon crowd: Wouter-Michiel Vierdag, Grzegorz Bokota, Tim Monko, Giannis Liaskas, Draga Doncila Pop, Lorenzo Gaifas, Aroj Hada, Brian Northan, Jules Vanaret, Zuzana Čočková, Curtis Rueden, Juan Nunez-Iglesias, and Margot Chazotte.Celebratory drink after the last full day of the hackathon. 🍻
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Johannes Soltwedel @jo-soltwedel.bsky.social · 23/07/2026
Not going to be in Cracow for the big event so had to make do with a small impromptu @napari.org x @openmicroscopy.org #omezarr Hackathon in Bern 🔬🇨🇭 @m-albert.bsky.social @guiwitz.bsky.social
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Samuel Le Meur-Diebolt @sdiebolt.bsky.social · 17/07/2026
napari is such an incredible piece of scientific software! 🚀 And it's not just for visualizing static data. I've been using it for the past 6 months to drive a @verasonicsinc.bsky.social ultrasound system for #fUSI, and get a nice GUI for sequence control and live visualization! 🤩
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SciPy Conference 2026 @scipyconf.bsky.social · 16/07/2026
📣 One of the best parts of #SciPy2026 is seeing the Scientific Python ecosystem evolve in real time. Today's Tools Plenary featured updates from the teams behind Zarr, Xarray, Tiled, Pangeo, scikit-image, Matplotlib, and napari, showcasing new features & future directions 🫶
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napari @napari.org · 16/07/2026
napari 0.8.0 is out now on PyPI, conda-forge, and as a standalone bundle! napari.org/stable/
napari.org
napari: a fast, interactive viewer for multi-dimensional images in Python
view and explore 2D, 3D, and higher-dimensional arrays on a canvas;, overlay derived data such as points, polygons, segmentations, and more;, annotate and edit derived datasets, using standard data st...
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napari @napari.org · 12/07/2026
Struggling for something to do in a TWO DAY gap without ⚽? How about trying our pre-release of napari 0.8.0? napari.org/dev/release/... Of note, this release drops Py3.10 support and deprecates PyQt5 in favor of PyQt6. It also adds some neat new features and improvements! See below: 👇
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Johannes Soltwedel @jo-soltwedel.bsky.social · 03/07/2026
Still, what's new? My personal favorite: The scene 🎥 Thanks to a now standardized set of transformations, you can write out the spatial relationships between (multi-modal) images, which is super neat in image registration... (Dataset: rodare.hzdr.de/record/3131)
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Joel Lüthi @joelluethi.bsky.social · 30/06/2026
Working with OME-Zarrs in @napari.org ? Check out the newest release of napari-ome-zarr-navigator to make your life easier & allow more interactive ways to write back to OME-Zarrs. Follow the thread for more (1/5 🧵)
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napari @napari.org · 26/06/2026
Hack with over a dozen awesome folks in Poland! Just a month away! 🥳
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Johannes Soltwedel @jo-soltwedel.bsky.social · 25/06/2026
Just the occasional this-thing-is-really-easy-in-ome-zarr-0.6 kind of post: Stitching in napari @napari.org with napari-stitcher (@m-albert.bsky.social) and napari-ome-zarr (@will-j-moore.bsky.social) (WIP) : (Sample data from the awesome big-stitcher tool github.com/JaneliaSciCo...)
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napari @napari.org · 17/06/2026
napari 0.7.1 is now available!! 🚀 🎉 Read the full release notes here: napari.org/stable/relea... Highlights: the scale bar inherits units from layers, colorbars for points layers, locking layers, and a signed Windows bundle! We thank especially our 9 new brilliant contributors 🤩
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SciPy Conference 2026 @scipyconf.bsky.social · 03/06/2026
🔬 Tutorial Spotlight: Build custom image analysis tools without starting from scratch. Tim shows you napari's power for microscopy, satellite data, and everything between 🛰️ Extend, visualize, annotate like a pro! #SciPy2026 🔗 scipy2026.scipy.org
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napari @napari.org · 12/06/2026
Join our hackathon in Kraków! It's going to be an absolutely great time! At least 8 awesome folks will be there! Fill out the typeform below so we can be in touch. 😍
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Niko Sirmpilatze @nikosirmpilatze.com · 23/04/2026
Drawing regions of interest has been among our most-requested features, and a long time in the making. Building it on top of @napari.org was fun. Drawing and editing shapes is such a joy!
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napari @napari.org · 22/05/2026
🎉 Announcing the naPLari hackathon in Kraków, Poland 🇵🇱, July 24–29 2026, after EuroSciPy! Hack on napari, join deep dives, meet the team. All experience levels welcome! 📝 Register by July 1: napari.typeform.com/naplari-hack #napari #ScientificPython #OpenSource #EuroSciPy #BioImageAnalysis
napari.typeform.com
naPLari Hackathon
Questionnaire for the napari hackathon in Krakow, Poland, July 24-29th, 2026.
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napari @napari.org · 22/05/2026
🎉 Announcing the naPLari hackathon in Kraków, Poland 🇵🇱, July 24–29 2026, after EuroSciPy! Hack on napari, join deep dives, meet the team. All experience levels welcome! 📝 Register by July 1: napari.typeform.com/naplari-hack #napari #ScientificPython #OpenSource #EuroSciPy #BioImageAnalysis
napari.typeform.com
naPLari Hackathon
Questionnaire for the napari hackathon in Krakow, Poland, July 24-29th, 2026.
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Kyle Harrington @kyleharrington.com · 20/04/2026
Woohoo, copick is out! Access to massive amounts of CryoET data, MCP for agentic, plus a @napari.org interface! We even used it when hosting the CZII CryoET Kaggle competition: www.kaggle.com/competitions... when we needed to support a large collaborative annotation event with humans + ML models.
kaggle.com
CZII - CryoET Object Identification
Find small biological structures in large 3D volumes
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Sebi @sebi06.bsky.social · 29/03/2026
Since @napari.org just released 0.7.0 I also checked if my to little plugins still work and released new versions with some small updates. pypi.org/project/napa... pypi.org/project/napa...
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Nathan Day @nthndy.bsky.social · 27/03/2026
I used @napari.org (specifically the animation tool originally by @guiwitz.bsky.social) to project the time series into the Z dimension and cellpose (@computingnature.bsky.social) to segment the cells, I can send you a code template if you'd like?
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Sebi @sebi06.bsky.social · 27/03/2026
Friday fun with: pyapp-kit.github.io/ndv/latest/ pymmcore-plus.github.io/ome-writers/ github.com/zeiss-micros... - run an acquisition in ZEN - capture the pixel stream via ZEN API - write it directly to an OME-ZARR using ome-writers - display it in the NDV viewer. Also works with @napari.org 😉
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Gaëlle Letort @gaellel.bsky.social · 27/03/2026
I'm happy to present our new tool, EpiCure, a napari plugin to ease correction of segmentation and tracking of epithelia movies, developed in @devstempasteur.bsky.social
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napari @napari.org · 24/03/2026
napari 0.7.0 is available now! 🚀🎉 It's a BIG release so read the full release notes, with highlights: napari.org/stable/relea... We want to thank everyone who has worked incredibly hard on this release including our 11 new brilliant contributors 🤩 and the community for their support and feedback!
napari.org
napari 0.7.0
Mon, Mar 23, 2026 We’re happy to announce the release of napari 0.7.0! napari is a fast, interactive, multi-dimensional image viewer for Python. It’s designed for browsing, annotating, and analyzing…
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napari @napari.org · 18/03/2026
There are still tickets available for next week's Pacific workshop! ti.to/nf-projects/... You could be a part of the very first pilot online workshop! 🥳 Even if a workshop if full, please sign up for the waitlist! We may have cancellations and it also helps us gauge the interest in these workshops.
ti.to
Introduction to napari Workshop (Pacific)
Welcome to registration for our pilot Introduction to napari Workshop! Click here to view the event in your time zone; the above time is displayed in US Pacific Time. In this hands-on workshop you wil...
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napari @napari.org · 18/03/2026
Thank you for the feedback so far! 0.7.0rc1 is now out. Barring any major issues, we'll be releasing 0.7.0 this week! You can test the rc using `python -m pip install "napari[all]>=0.7.0rc1"`
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Artur @arturruppel.bsky.social · 17/03/2026
First paper as first & corresponding author, out in PLOS Computational Biology! 🎉 napariTFM brings traction force & monolayer stress microscopy into napari, accessible via GUI; open-source, validated and no coding required. 😉 Check it out 👇
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napari @napari.org · 12/03/2026
Check out and give feedback on the latest pre-release 0.7.0rc0! You can install with `pip install "napari[all]>=0.7.0rc0"` or via the bundled app. 😁 🥳 The release notes, with highlights, include so many great new features and changes: napari.org/dev/release/...
napari.org
napari 0.7.0
⚠️ Note: these release notes are still in draft while 0.7.0 is in release candidate testing. ⚠️ Tue, Mar 10, 2026 We’re happy to announce the release of napari 0.7.0! napari is a fast, interactive,…
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napari @napari.org · 11/03/2026
🔬 Registration is open for our pilot Introduction to napari Workshop! napari is a powerful open-source image viewer for scientific data analysis in Python. This hands-on workshop will get you exploring multi-dimensional datasets fast. #napari #Python #ImageAnalysis #DataScience #OpenSource
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napari @napari.org · 10/03/2026
napari needs your help! Has napari helped you make cool and groundbreaking discoveries? We'd love to highlight that in our docs. Please tell us about it! You can fill in this survey: napari.typeform.com/to/vTCKeTKv and/or, as ever, drop by our chat room or meetings: napari.org/dev/community/ 🙏
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Horst Obenhaus @octoscience.bsky.social · 06/03/2026
BIG UPDATES! OCTRON now supports the new SAM3 models (alongside SAM2)! We’ve also added a global switch for Detection vs. Segmentation: Use the same annotations to train either lightweight detection or full segmentation models. Plus, we’ve added support for the new YOLO26 models. ⤵️ 1/12
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Talley Lambert @talley.codes · 16/02/2026
Rewrote my Python bioformats wrapper (from aicsimageio/bioio) as a standalone package: - fully bootstrapped Java setup (just pip install) - lazy, repeatably-indexable Array object - fully spec-compliant OME-Zarr group obj. - xarray/dask exports github.com/imaging-form... v0.0.rc1 on PyPI
github.com
GitHub - imaging-formats/bffile: Modern Bio-Formats wrapper with clean lazy Python API
Modern Bio-Formats wrapper with clean lazy Python API - imaging-formats/bffile
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Johannes Soltwedel @jo-soltwedel.bsky.social · 12/02/2026
I'll never get tired of lazily browsing elastix-coregistered #WSI data in @napari.org using the upcoming @openmicroscopy.org ome-zarr @zarr.dev format version that allows to specify and read transformations directly from the image data itself. Data source: rodare.hzdr.de/record/3131
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