Point72 partnered with Quansight to enhance the conda ecosystem by funding ABI3 packages. These packages enable compatibility across several Python minor versions, thus decreasing the build complexity and burden on the conda-forge community. Traditionally, Python extensions faced limitations due to minor version specifics, leading to the creation of multiple builds for each version. With the adoption of ABI3, this reduces the compilation tasks to a single version, aiding in efficient resource utilization and easier maintenance. However, ABI3 is particular to CPython and does not support other Python implementations.
ABI3 packages improve compatibility across multiple Python minor versions by utilizing a stable C API. This allows extension compatibility while reducing the burden on conda-forge CI.
By using ABI3 packages, only one build job per extension is now needed, dramatically lowering the time and resource burdens on maintainers and hosting services, optimizing the conda ecosystem.
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