[4.2.1] - 2025-03-10 Fixed Fixed MSVC/WIN32 checks in CMake. (#981) Fixed potential memory leak in polygonStringToGeoPolygon (#976) Changed Added arm64 tests in CI. (#975, #974) Faster isValidCell (#968) Moved ContainmentMode enum for polygonToCellsExperimental to h3api.h. (#958)
