Try import Pkg; Pkg.pkg"add HiGHS_jll@1.8.0"
then restart Julia.
There is a bug in the v1.9.0 release of HiGHS that will be fixed in next release.
Try import Pkg; Pkg.pkg"add HiGHS_jll@1.8.0"
then restart Julia.
There is a bug in the v1.9.0 release of HiGHS that will be fixed in next release.