Kiwisolver
JSON →Kiwisolver is a fast implementation of the Cassowary constraint solver, designed to be lightweight and efficient. The current version is 1.5.0, released on March 9, 2026. The library is actively maintained and follows a regular release cadence, with updates approximately every few months.
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Resources
API endpoints
full doc /v1/registry/kiwisolver
install /v1/registry/kiwisolver/install
compatibility /v1/registry/kiwisolver/compatibility