---
tags: Tuesday
---

# 2026-05-19

Attending: Will, Chris, Dom, Josh, Andreas, Petr, Joel, Damien, Melissa, Johannes, Frances, Tom, Seb, Kevin, Tiago, Kyle,

Start: 2:00 pm UK

## Accepting minutes from [last meeting](https://hackmd.io/team/ome?nav=overview)

## Project Status

(2-3 minutes each)

- IDR (Frances)
- Planned IDR downtime last week
- Dom testing playbooks for UoD deploy
- Will: omero-web [zarr display #613](https://github.com/ome/omero-web/pull/613) and iviewer [redirect #529](https://github.com/ome/omero-iviewer/pull/529) PRs needed for IDR

- OMERO
- Next releases (Seb)
- OMERO.server 5.6.18: see [version history](https://github.com/ome/openmicroscopy/pull/6453)
- [OMERO.web 5.31.1](https://github.com/ome/omero-web/milestone/25)
- Announcements this week
- Zarr v3 support: omero-zarr-pixel-buffer.
- url encoding ftw! DB upgrade or try encoded/unencoded?
- Chris: Paths that are valid on the filesystem != those that are valid on S3.

- Bio-Formats (Melissa)
- 9.0.0 milestone review
- Next formats meeting NGFF - Zarr Java (with Norman)
- 2pm Monday (UK time)

- NGFF
- 0.6 Status (Johannes)
- implementing new spec. ome-zarr-models-py etc
- Josh: a GUI implementation would be nice!
- Lossy compression, esp. NDPI (Chris)
- "jpeg is hard"
- from the hackathon
- image.coop: assessment of needs (Josh)
- zarr_vectors (FYI)
- ome-zarr.js ColorMaps https://github.com/jwindhager/ome-zarr.js/pull/1 (Will) - FYI from the hackathon

- GerBI (Josh)
- ImagingPHD project is battling typed-vs-untyped language issues (Damien)
- FoundingGIDE project is wrapping up: https://www.gide-project.org/portal and a [RO-Crate profile](https://www.gide-project.org/ro-crate/search/1.0/profile) (Josh/Tiago)
- Next steps incl. Biohub project & EU proposal: find OME-Zarr behind search results
- Working on compatibility between ome-zarr and croissant ML metadata format (Tiago)

- Glencoe
- Glencoe (Erin and Emil) at [Bio-IT World](https://www.bio-itworldexpo.com/conference-tracks) this week.

- BioVisionCenter (Joel)
- upcoming release of 1.0 version of OME-Zarr converters https://github.com/BioVisionCenter/ome-zarr-converters-tools
- Converter implementations: https://github.com/fractal-analytics-platform/fractal-uzh-converters, https://github.com/fractal-analytics-platform/fractal-lif-converters
- Open Bioimaging meetup planning: Open Bioimaging Practices Meetup with Bugra Oezdemir on June 30th, 4pm CEST about OME-Zarr conversion and EuBI-Bridge

- Community
- ELMI: 2nd half of June: OMERO workshop (Petr)
- Johannes attending too
- Tom: French BioImaging Community meeting, including Round-table data management discussion. 1-3 June

## AOB

(5 min. max; tech. Discussion should be highlighted to relevant people and rescheduled)

## Main Topic

(20-25 minutes plus 15 minutes questions max)