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Note: This post was originally published on the Zarr developer blog. After more than a year of development, we’re thrilled to announce the release of Zarr-Python 3! This major release brings full support for the Zarr v3 specification, including the new chunk-sharding extension, major performance enhancements, and a thoroughly modernized codebase. Whether you use Zarr to managing large multi-dimensional datasets in the cloud or for high-performance machine learning applications, we’ve built Zarr-Python 3 to help you. Let’s dive into some of the details of this release! Zarr-Python 3 is available today on PyPI and Conda-Forge. It is compatible with Python 3.11 and above. pip install --upgrade zarr # or conda install --channel conda-forge zarr Support for Zarr’s v3 specification The most n…

Note: This post was originally published on the Zarr developer blog. We released Zarr-Python 2.18.0 this week. Although this release was quite light in terms of user-facing changes, it represents the beginning of a new phase for the project. In this post, we’ll walk through our plan for Zarr-Python 3.0 and what users of the library can expect in the coming months. Zarr-Python 2.18 Before we get into the 3.0 release, we’ll first cover a few details about the 2.18 release series. The first thing to know is that we will continue to support 2.18 with bug fixes up until the release of 3.0. Additionally, we expect to use the 2.18 series to communicate changes in the Zarr-Python API, which will come in 3.0. For example, this week’s release included a number of new deprecation warnings for part…