# NGFF Timeline - [Josh Moore](https://github.com/joshmoore), OME ## 2018 * Various investigations into alternative file formats * Dec: [I2K][i] Decision to pursue Zarr/N5 unification ## 2019 * Jan-Dec: [Regular Zarr/N5 Calls][a] - Spec differences, limitations, extensions... - Different language implementations... - Relationship to tileDB, ... - NetCDF C library - ITK demos - Applied to CZI-EOSS-1 - Started multiscale discussions * Glencoe developing [new conversion pipeline][b] * IDR receiving [data][c] that pushes for NGFF ## 2020 * Feb: EOSS funding for Zarr V3 starts * Mar: Posted [Multiscale spec][e] * May: [OME2020][d] * Summer: ...went outdoors... * Sep: Posted [Labels spec][f] * Oct: Working on [HCS spec][g] * Nov: Wellcome funding for metadata * Dec: EOSS funding for Zarr V3 ends [a]: https://github.com/zarr-developers/community/issues/1 [b]: https://forum.image.sc/t/converting-whole-slide-images-to-ome-tiff-a-new-workflow/32110 [c]: http://idr.openmicroscopy.org/search/?query=Name:idr0044-mcdole-tardislightsheet/experimentA [d]: https://www.openmicroscopy.org/events/ome-community-meeting-2020/day2/ [e]: https://forum.image.sc/t/multiscale-arrays-v0-1/37930/5 [f]: https://forum.image.sc/t/multi-scale-image-labels-v0-1/43483 [g]: https://github.com/ome/omero-ms-zarr/issues/73 [i]: https://imagej.net/I2K_2018