Changes in version 5.6.23.9000 Changes in version 5.6.23 (2024-12-13) - Memory error fix when BLAS polyfills are used (#25). Changes in version 5.6.22 (2024-11-08) - No changes. Changes in version 5.6.21 (2024-09-12) - Added a NEWS.md file to track changes to the package. - lpSolve now compiles on OpenBSD (#21).