# 📣 Join the ESIP Cloud Computing Cluster Session May 22 for Zarr: The Next Generation Part 3/3

**URL:** <https://discourse.pangeo.io/t/join-the-esip-cloud-computing-cluster-session-may-22-for-zarr-the-next-generation-part-3-3/3425>\
**Category:** News & Announcements\
**Created:** [May 9, 2023, 12:21am UTC](https://discourse.pangeo.io/t/join-the-esip-cloud-computing-cluster-session-may-22-for-zarr-the-next-generation-part-3-3/3425 "2023-05-09T00:21:03Z")\
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**Author:** ![aimeeb](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.pangeo.io/aimeeb/32/215_2.png) [@aimeeb](https://discourse.pangeo.io/u/aimeeb)\
**Post date:** [May 9, 2023, 12:21am UTC](https://discourse.pangeo.io/t/join-the-esip-cloud-computing-cluster-session-may-22-for-zarr-the-next-generation-part-3-3/3425/1 "2023-05-09T00:21:03Z")

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The ESIP Cloud Computing Cluster would like to announce part 3 of a 3 part series: **Zarr: The Next Generation**. Read about the first 2 parts at the bottom of this post.

# Part 3: Monday, May 22nd at 10am PT / 1pm ET / 7pm CEST

- Hailiang Zhang will provide a summary of the accumulation proposal: [ZEP0005 | ZEP](https://zarr.dev/zeps/draft/ZEP0005.html)
- Max Jones to speak about Kerchunk and Pangeo-Forge recipes developments
- **Find joining information on [ESIP Community Calendar](https://www.esipfed.org/get-involved/community-calendar)**

**Standard Agenda:**

- 5-10 minutes - Announcements: ESIP Summer Meeting Planning, Open Call for other announcements
- 30-40 minutes - Presentations
- 20 minutes - Questions and discussion

More about ESIP: [https://www.esipfed.org/](https://www.esipfed.org/)  
More about the Cloud Computing Cluster: [Cloud Computing - Earth Science Information Partners (ESIP)](https://wiki.esipfed.org/Cloud_Computing)

# Parts 1 and 2

**HAPPENED - Part 1: Monday, March 27th**

- Watch the recording [2023-03-27 ESIP Cloud Computing Cluster: Zarr - The Next Generation - YouTube](https://youtu.be/50_LwbIUXi0)
- Ryan Abernathey presented on the Zarr V3 specification: [ZEP0001 | ZEP](https://zarr.dev/zeps/draft/ZEP0001.html)
- Martin Durant presented on the variable chunking: [ZEP0003 | ZEP](https://zarr.dev/zeps/draft/ZEP0003.html)

**HAPPENED - Part 2: Monday April 24th, 9am PT / 12pm ET / 6pm CEST**

- Watch the recording [2023-04-24 ESIP Cloud Computing Cluster: Next Generation of Zarr Part 2/3 GeoZarr and Zarr Sharding](https://www.youtube.com/watch?v=a4-vmJRQcrg)
- Brianna Pagán presented the current state of the GeoZarr spec and working group
- Norman Rzepka presented the Zarr sharding specification: [ZEP0002 | ZEP](https://zarr.dev/zeps/draft/ZEP0002.html)