PEP 850: Wheel Variants: Providers

We’d like to share the next step of wheel variants: Variant Providers. In short, PEP 850: Wheel Variants: Providers defines how to query the system for compatible variant properties: This PEP extends PEP 825 by defining how variant properties are governed and how their compatibility is determined. This is done either via static feature and feature value compatibility lists specified in the variant metadata, or by querying opt-in plugins that are Python packages but can also be vendored or reim...